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NETW 589 Entire Course Wireless Communication
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NETW 589 Entire Course Wireless Communication
NETW 589 Case Study Wireless Communication Week 5 Keller
12 Power Point Slides Plus Speaker Notes
Case Description
The organization you work for has leased a building next door to the existing building. The local area networks in the new building and the existing building must be linked to each other. The distance is 657 feet. Here is the relationship of the two buildings.
Notice that the blue dashed line showing the route of the link crosses a parking lot not under your control. It also crosses a public street. Both buildings are two stories tall. From the second floor or the roof of each building there is a clear line of sight above the expected height of any vegetation currently in the area.
You have been assigned the task of determining the available wireless methods that could be used to connect the buildings to each other and presenting these options to the executive team. The executive team consists of the CEO, the CFO, and the managers of the five business units. They will need to know the following about each option in terms that nontechnical staff can readily understand:
The way the method transmits data back and forth
The advantages of the method
The disadvantages of the method
The costs of the method
Whether the costs are classified as opex or capex
Whether any permits are required from the controlling jurisdiction
Whether there are any legal requirements that must be meet before deploying it
The inherent security of the method
Whether you recommend this method and why or why not
Your assignment it to prepare a concise presentation that provides the executive team with all of the information they need to select the best method.
The purpose of this exercise is to give you experience in communicating technical issues to a nontechnical audience, researching options to solve a common network problem, and giving an organized, succinct, and captivating presentation.
Case Grading
The presentation is worth 140 points.
The PowerPoint presentation is due in Week 5.
The PowerPoint presentation should be at least 10 slides and must answer satisfactorily all 9 questions listed above.
PREVIEW:
To determine the best way of connecting the two LANS, I will discuss four methods of wireless data transmission, such as the Wireless Free Space Optics, the wireless bridge, the Local Multipoint Distribution System, and the WiMax Technology. For each of these methods, I will discuss their advantages and disadvantages, the…
NETW 589 Quizzes Week 1-7 Wireless Communication Keller 100% Correct
NETW 589 Quiz Week 1 Wireless Communication Keller 100% Correct
(TCO A) What disadvantages do wireless networks have?
(TCO A) An electromagnetic signal contains what fields? What is their relationship?
(TCO A) Define and give an example of narrow band and spread spectrum transmission. What is the big disadvantage of narrow band, and why is spread spectrum a good alternative?
(TCO A) How is information conveyed using AM (amplitude modulation)?
When an amplitude modulated signal is created, the amplitude of the signal is…
(TCO A) In phase modulation, what happens to the amplitude, the frequency, and the starting point of the cycle of a signal?
NETW 589 Quiz Week 2 Wireless Communication Keller 100% Correct
(TCO B) Why do we need standards in telecommunications? What are the advantages and disadvantages?
(TCO B) What is the difference between de facto and de jure?
De facto standards are not really standards at all. Rather, they are…
(TCO B) For United States standards, what are the top three organizations?
(TCO B) What is a link budget?
NETW 589 Quiz Week 3 Wireless Communication Keller 100% Correct
(TCO C) Which security standard is compatible with the 802.11i standard, and which ones are not?
(TCO C) What is WEP? Describe the five major characteristics of WEP.
(TCO C) What does MIMO do?
(TCO C) What are the two main WLAN modes, and how do they differ?
(TCO C) What is the SSID?
NETW 589 Quiz Week 4 Wireless Communication Keller 100% Correct
(TCO D) What is a WMAN, and what are the primary goals?
(TCO D) What are the disadvantages of FSO?
(TCO D) What is the difference between baseband and broadband?
(TCO D) LMDS operates over what frequencies?
(TCO D) What is a triple play?
NETW 589 Quiz Week 5 Wireless Communication Keller 100% Correct
(TCO E) Digital cellular telephones can be used for what common applications? List and explain five of them.
(TCO E) Define i-Mode
(TCO E) Describe the location and the use of a GEO satellite
NETW 589 Quiz Week 6 Wireless Communication Keller 100% Correct
(TCO F) What is a reader or an interrogator?
(TCO F) What security issues are associated with RFID tags? How can these concerns be mitigated?
(TCO F) One class of active tags is called beacons. What does a beacon do?
NETW 589 Quiz Week 7 Wireless Communication Keller 100% Correct
(TCO G) AMPS operates in what frequency range?
(TCO G) Describe four key elements contained in a request for proposal (RFP).
(TCO G) Discuss three strategic business advantages to wireless systems.
NETW 589 Discussions Week 1-7 Wireless Communication All Students Posts 410 Pages Keller
NETW 589 How Do You Use Wireless Discussions 1 Week 1 All Students Posts 39 Page Keller
No doubt you use wireless devices every day. Provide some examples as to what the device does, the size of the device, and the frequency the device uses. What are the wireless devices you use at home? What frequency do they operate on? Class, What is Ultra Wide Band? Has anyone of you used it or is using it? What is the range of UWB? what frequency does it operate on ? Is it secure?…
NETW 589 The Replacement for DSSS, OFDM Discussions 2 Week 1 All Students Posts 39 Pages Keller
Until recently most low-speed devices used FHSS and higher-speed devices used DSSS; today Orthogonal Frequency Division Multiplexing is the new method. What is OFDM? How is it used? Why is it used? Class, before we jump in into the different modulation techniques, what is meant by modulation? Why is it important? What is the difference between analog and digital? Why did most technologies move to Digital? What drawbacks did analog transmission have? What are spread spectrums? How do FHSS and DSSS compare?…
NETW 589 Impediments to Transmission Discussions 1 Week 2 All Students Posts 30 Pages Keller
Look around you. How many impediments to successful wireless transmission do you see? How can these be overcome? What is attenuation? how does it occur? What do you do to solve the problem of attenuation? What are some ways to overcome interference?…
NETW 589 Antennas Discussions 2 Week 2 All Students Posts 28 Pages Keller
Look at the wireless devices you use. Where is the antenna? What type of antenna is it? What is polarization? why is it important in WLANs? What is antenna Efficiency? Can we achieve 90%-100% efficiency on an antenna?….
NETW 589 Use of Bluetooth Discussions 1 Week 3 All Students Posts 31 Pages Keller
Where is Bluetooth commonly used? What is Bluetooth? What frequency does it operate on? What transmission scheme it uses? Is it Secure? What are its common uses? Do you think Bluetooth is Secure? Would you worry about sniffing or eavesdropping ?…
NETW 589 How Secure Is a WLAN? Discussions 2 Week 3 All Students Posts 30 Pages Keller
What are the main security threats facing wireless local area networks? What is WEP? How does it work? what are its vulnerabilities? What did WPA and WPA2 bring to the table? Why are they better than WEP?…
NETW 589 The Last Mile Discussions 1 Week 4 All Students Posts 37 Pages Keller
What is the Last Mile? What are the problems associated with the last mile for carriers? Is it really a last mile? or a metpahor for something? What are the problems associated with the last mile for carriers?
NETW 589 FSO Discussions 2 Week 4 All Students Posts 31 Pages Keller
What is FSO? Where is it used? What are the advantages and disadvantages? Have you heard of it before or this is the first time? What is WWAN? What are some technologies that fall under that umbrella?…
NETW 589 Cellular Data Networks for a WAN Discussions 1 Week 5 All Students Posts 24 Pages Keller
Is a cellular connection an appropriate type of link for use in a WAN? Can it be a primary link? Can it be used as a backup link dialed on demand?…
NETW 589 The use of Satellite Networks Discussions 2 Week 5 All Students Posts 31 Pages Keller
Where are satellite links used as part of a WAN? How can the technical limitations be ameliorated? What are the technical limitations of Satellite Communications?…
NETW 589 Privacy, Security, and RFID Discussions 1 Week 6 All Students Posts 27 Pages Keller
RFID has some controversial applications. Is RFID a risk to our privacy, or is it a necessity for security? How does tap to pay work? Has anyone tried it yet?…
NETW 589 Project Discussions 2 Week 6 All Students Posts 19 Pages Keller
Discuss with the instructor and fellow students what you learned from the project and how you can apply this in your network management career….
NETW 589 Deploying Wireless Applications Discussions 1 Week 7 All Students Posts 33 Pages Keller
How do you evaluate wireless solutions for business? Is it deployed everywhere in businesses? Do you see it to continue be favorable in the future? What is RFI? What is it used for? What does it aim for? How should it be used?…
NETW 589 Selling a Wireless Solution Discussions 2 Week 7 All Students Posts 39 Pages Keller
Imagine that you are a consultant or an IT Manager. How would you go about selling wireless to your customers? What things do you stress on to bring advantage to the customer?…
NETW 589 Final Exam Wireless Communication Keller
Grade A + Received 300/300 Points
(TCO A) How do analog and digital signals differ? Describe the pattern. (Points : 25)
Analog technology translates information into electric pulses that have various…
(TCO A) How is information conveyed using FM (frequency modulation)? (Points : 25)
Information is conveyed using FM by beginning with a sine signal that serves as a…
(TCO B) Define circuit switching and packet switching. Explain why one is more appropriate for data. (Points : 25)
Circuit switching and packet switching are technologies used for…
(TCO B) What organizations have responsibility for standards covering more than one nation? (Points : 25)
These organizations are the ETSI (European Telecommunications Standards Institute) and the…
(TCO C) What is the difference between a BSS and an ESS? (Points : 10)
A BSS (Basic Service Set) refers to a network that contains only…
(TCO C) How many types of frames are used on a wireless network and what are they? (Points : 10)
There are three wireless frame types, such as the management frames, the control frames, and the…
(TCO C) Which security standard is compatible with the 802.11i standard and which ones are not? (Points : 10)
WPA (Wired Protected Access) and WPA2 (Wi-Fi Protected Access 2) are compatible with the…
(TCO C) Why does implementing RTS/CTS help speed data transmission? (Points : 10)
The RTS/CTS (Request to Send/Clear to Send) function is an 802.11 standard feature that controls…
(TCO C) What are the primary components of a WLAN? (Points : 10)
The three primary types of WLAN components are the wireless network cards, the wireless access points, and…
(TCO D) What is the difference between baseband and broadband? (Points : 15)
In baseband, data is transmitted as data signals through the media. It serves as a…
(TCO D) What is meant by the “last mile?” Why is the “last mile” problematic in terms of data transmission? (Points : 15)
The last mile technology refers to the telecommunications technology that connects the…
(TCO E) What is the main problem with using GEO satellites for data links? (Points : 15)
A geostationary satellite (GEO) is a satellite that orbits the earth, placed around 35,800 kilometers directly above the…
(TCO E) Explain the differences between 1G, 2G, and 3G networks. (Points : 25)
In 1G, data is transmitted in analog form and can be used only for making calls and sending text messages. Its network…
(TCO F) What is the purpose of a blocker tag? (Points : 15
The blocker tag is a RFID (radio frequency identification) tag that helps consumers manage their…
(TCO F) How does RFID work? (Points : 25)
The RFID (Radio frequency identification) system uses tags that are attached to all items and that are used for…
(TCO G) AMPS operates in what frequency range? (Points : 15)
AMPS (Advanced Mobile Phone Service) is a standard system for cellular telephone services in the United States and…
(TCO G) Describe an efficient way to accomplish a widespread rollout of a new wireless system. (Points : 25)
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NETW 589 Case Study Speaker Notes
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NETW 583 Strategic Management of Technology Entire Class
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NETW 583 Week 1 Discussion DQ1 & DQ 2 DQ 1 The Importance of Innovation (graded) Why do you think innovation is so important for firms to compete? DQ 2 What Makes People Creative (graded) Identify someone that you feel was very creative. What personality traits did they possess that made them so creative? NETW583 Week 2 Discussion Why Innovative Companies Fail (graded) Why did most of the early (circa 1980-2000) PDA companies fail, even if they had innovative and sophisticated product designs? NETW583 Week 3 Discussion Protecting Innovations (graded) What are the differences between patents, copyrights, and trademarks? NETW583 Week 4 Discussion Core Competency (graded) What makes an ability (or set of abilities) a Core Competency? NETW583 Week 5 Discussion Benefits of Collaboration (graded) What are some of the advantages and disadvantages of collaborating on a development project?
NETW583 Week 6 Discussion New Product Development Teams (graded) Identify an example of a development project and what type of team you believe they used. Do you think this was the appropriate type of team given the nature of the project?
NETW 583 Week 7 Discussion Pricing Strategy (graded) What factors will (or should) influence a firm’s pricing strategy?
NETW 583 Midterm Exam Answers
Q 1). What are some of the negative impacts that technological innovations have on society? How would you answer critics of improved technologies who cite these negative impacts? Q 2). How has globalization of markets affected the importance of innovations?
Q 3). Explain how an understanding of the innovation funnel might influence a company’s view on R&D? Q 4). Why is it that after a product has been on the market for a while and is selling well at a good price point, the price will eventually come down? Q 5). Give examples of how a market with different product niches is served through CAD and CAM?
Q 6). Reflect on something you want to innovate to solve a family/personal/work/college problem? Q 7). Reflect on something that you have learned about during the class and has captured your attention and why?
NETW 583 final Exam Answers
Explain how globalization of markets affects the importance of innovation? 2. What are some of the things that influence organizational creativity? 3. Are inventors born or made? 4. How do you know if you should be a first-mover or late-entrant into the market? 5. How do complimentary technologies support/develop an innovation? Give some examples. 6. A venture capitalist is most likely going to provide funding for your innovation if…? 7. Analysis of a company that is highly innovative. 8. What is the danger of not having strategic intent with respect to innovation
Term Project
Objectives
Term Project DescriptionThe objective is to complete a written plan that will suggest a practical Strategic Direction for a company.
You have a choice to use either an existing company or a fictitious company. In either case, the Project is to complete a written plan that will suggest a practical Strategic Direction for the company.This course requires the completion of a comprehensive Strategic Plan. The Plan will have 7 sections. The 6 sections will reflect each of the 6 TCOs plus a bibliography. Each section will be 2 – 3 pages in standard business proposal format. The sections are: 1. Strategy (TCO F) 2. Core Competencies (TCO C) 3. Industry Dynamics (TCO A) 4. Technology Sourcing and Internal Innovation (TCO D) 5. Product Development Strategy (TCO E) 6. Strategy to protect innovations (TCO B) 7. A bibliography listing your references for the project Ideas to Help Prepare the Course Project
TCO F – Given an organizational and industry context, identify and suggest a deployment strategy that will facilitate the success of a technologically driven organization.Section 1 – Strategy This is the most important part of the project, because it sets the direction for all other sections. In this section, you establish the strategy for an organization. Often people refer to this component as the “Vision” or “Mission” of a company, but it is not. The Vision for a company could be that you want to be a market leader. However, the technology strategy tells everyone how you will achieve that market leadership. The technology strategy tells the various stakeholders – employees, customers, community, and stockholders – what you are going to do to achieve that market leadership. This strategy should be very clear and easy to understand so that everyone will be “on the same page” when it comes to working together toward that goal. In this section, you should describe what “SHOULD” be the strategy of a technologically driven company. You should focus specifically on the technology strategy. You should think about all the things we learned in the class that will determine a strategy that will help the company succeed. Remember that you can use either an existing company or a fictitious company. If you choose to use an existing company, you can visit their web site to see if their strategy is listed. Or you can do a web search on their technology strategy to see if anyone has written any stories about their strategy. For a fictitious company, you should make up a technology strategy that fits that type of company. Examples of a Technology Strategy: • Verizon Wireless – Have the best network of all wireless carriers • Honda – Build the best engines • Keller – Deploy the best Internet based on-line and blended education technology, not build it, not own it, but use a 3rd party to provide it • Intel – Have the fastest and most powerful CPUs The key is to be able to describe the strategy in a 1 or 2 sentence summary and in detail as well. The description should start or end with the simple sentence statement of the technology strategy. However, there must be sufficient detail to explain why that is the right strategy. Section 2 – Core Competencies TCO C – Given an organizational and industry context, identify the core technological competencies of the organization. Like all subsequent sections of the project, this section is based on the Strategy Section. Example: • Verizon Wireless Strategy is the having the best Network. Thus, the core competencies will be built around the network. Things like RF Engineers and wireless security experts would be detailed • Intel’s strategy is to build the fastest most powerful CPUs. Thus their core competencies will be built around CPU engineering • Keller’s strategy is to deploy the best on-line education technology. Thus their core competencies would be things like educational technology evaluation and on-line education curriculum development The best way to do this section is to apply the three tests of a core competency (page 123) to the strategy that you detailed in the Strategy Section. Section 3 Industry Dynamics TCO A – Given a company situation be able to describe the industry dynamics of technological innovation. Here you should take the strategy identified in Section 1 and describe in detail why that is the right strategy based on what is occurring in the industry. Provide as much detail as possible as to the industry trends and why you think those trends are important. Section 4 – Technology Sourcing and Internal Innovation TCO D – Given an organizational context, develop a plan to increase the innovative capabilities of the organization both through collaboration strategies and internal innovation. Here you would offer ideas as to what is the best way to “Source” the technology that supports the strategy. A complete discussion about how best to manage the innovative capabilities of the company being described is required. Section 5 – Product Development Strategy TCO E – Given information about a company’s industry, and organization, formulate a technological innovation strategy through its new product development strategy. Product Development is very important to an organization. This section will describe how the company will structure its product development. Obviously, the kind of structure will be determined directly by the technology strategy stated in Section 1. Section 6 Strategy to protect innovations TCO B – Given a company situation be able to determine whether and how to protect its technological innovations. Using the things learned in the class, describe how you would use patents, trade secrets, copyrights, etc. to protect the Intellectual Property (IP) required to support the strategy. See the Syllabus section “Due Dates for Assignments & Exams” for due date information. Submit your assignment to the Dropbox located on the silver tab at the top of this page. Final Paper Rubric
Content 50% Points % Depth of Research 25 25% Scope of Research 25 25% Illustrations 25 25% Use of sound logic 25 25% Total 100 50% Editing 15% Points Deduction (per occurrence) % Spelling Error -2 – Punctuation/Grammatical Error -1 – Sentence Meaning Unclear -2 – Misstatement of Fact -5 – Total (not to exceed) 30 15%
Organization 20% Points % Introduction; Thesis statement contains at least two main points 16 8% Body text follows order of topics and main points derived from the thesis statement 8 4% Content subdivisions follow outline 8 4% Conclusion summarizes; complements thesis; contains no new information 8 4% Total (not to exceed) 40 points 20%
Documentation 15% Incorrectly cited or missing Points Deduction (per occurrence) % Title page -2 – Abstract -1 – References in text -2 – Bibliography/Works Cited -5 – Total (not to exceed) 30 points 15%
Category Totals Possible Points % Content 100 50% Organization and Cohesiveness 40 20% Editing 30 15% Documentation and Formatting 20 15% Total 200 100%
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NETW 563 ( Wireless Networks ) Entire Course
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NETW 563 ( Wireless Networks ) Entire Course
NETW 563 Week 1 Discussion 1 Standards
NETW 563 Week 1 Discussion 2 Antennas and RF
NETW 563 Week 2 Case Study 1 Municipal Wifi
NETW 563 Week 2 Discussion 1 Wireless Modulation
NETW 563 Week 2 Discussion 2 Access Control
NETW 563 Week 3 Course Project Proposal (The Athlete s Shack Wireless Upgrade)
NETW 563 Week 3 Discussion 1 Designing the WLAN
NETW 563 Week 3 Discussion 2 Site Survey Analyzers
NETW 563 Week 4 Discussion 1 Security Organizations
NETW 563 Week 4 Discussion 2 Securing the WLAN
NETW 563 Week 4 Midterm
NETW 563 Week 5 Discussion 1 SNMP
NETW 563 Week 5 Discussion 2 Troubleshooting
NETW 563 Week 5 You Decide; Networking Problem of Richton Toys
NETW 563 Week 6 Case Study 2 Municipal Wifi in Bayton (Boon or Boondoggle)
NETW 563 Week 6 Discussion 1 Getting to 4G
NETW 563 Week 6 Discussion 2 The Future of Satellite Radio
NETW 563 Week 7 Course Project – Final Report (The Athlete s Shack Wireless Upgrade)
NETW 563 Week 7 Discussion 1 Traffic Shaping
NETW 563 Week 7 Discussion 2 Wireless Network Planning
NETW 563 Week 8 Discussion – Looking Ahead
NETW 563 Week 8 Final Exam
NETW 563 Week 4 Midterm Answers
Multiple Choice 8
· Essay 6
· Page: 1
· 1. Question: (TCO A) An access point has a(n) _____ interface that allows it to connect to a wired network.
· 2. Question: (TCO A) Waves that are continuous with no breaks represent a(n) _____ signal.
· 3. Question: (TCO C) In order to accommodate additional wireless users over a wider area, which configuration should be used?
· 4. Question: (TCO C) Each of the following is a wireless modulation scheme used in IEEE WLANs except
· 5. Question: (TCO D) Each of the following are times that a site survey should be performed except
· 6. Question: (TCO D) A device that converts direct current from a battery to alternating current is a(n)
· 7. Question: (TCO E) After the security flaws in WEP were publicized, the IEEE TGi task group released a new proposed implementation known as what?
· 8. Question: (TCO E) Which of the following is not a layer that protects information security?
· Page: 2
· 1. Question: (TCO A) Give a brief summary of the characteristics of IEEE 802.11b, 802.11a, and 802.11g wireless networks.
· 2. Question: (TCO A) Explain how an antenna functions.
· 3. Question: (TCO C) Explain how power management functions on an infrastructure network.
· 4. Question: (TCO C) Explain why Carrier Sense Multiple Access/Collision Detection cannot be used on a WLAN.
· 5. Question: (TCO D) Describe two types of antennas that should be used on an AP when conducting a site survey.
· 6. Question: (TCO E) List two ways in which a denial of service (DoS) attack can be launched against a WLAN.
NETW 563 Week 8 Final Exam Answers
· Multiple Choice: 8
· Essay: 8
· Page: 1 Multiple Choice
· 1. Question: (TCO A) A wireless client network interface card performs each of the following tasks except
· 2. Question: (TCO A) A _____ is a million hertz.
· 3. Question: (TCO B) Cellular networks employ multiple ______ power transmitters.
· 4. Question: (TCO C) _____ is a group of wireless devices that is served by a single access point (AP).
· 5. Question: (TCO D) _____ is the expression often used to describe a work environment in which an employee can have continual access to the data that is needed for making decisions.
· 6. Question: (TCO E) Guarding the availability of information is achieved by
· 7. Question: (TCO F) Which type of statistic is measured by the GoS?
· 8. Question: (TCO G) _____ provides users the freedom to roam beyond their home subnets while still maintaining their home IP addresses.
· Page: 2 Essay
· 1. Question: (TCO A) What is polarization, and why is it important to WLANs?
· 2. Question: (TCO B) Explain how an IEEE 802.15.1 (Bluetooth) piconet functions.
· 3. Question: (TCO C) Explain how power management functions on an infrastructure network.
· 4. Question: (TCO D) What are the three considerations when installing and configuring an ad hoc network?
· Page: 3 Essay
· 1. Question: (TCO E) Explain how WEP violates the “cardinal rule” of cryptography.
· 2. Question: (TCO E) What is a dictionary attack?
· 3. Question: (TCO F) Blocked calls can be handled in two ways. Describe the two methods of handling blocked calls.
· 4. Question: (TCO G) Describe the two types of RF amplifiers.
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NETW 561 Wireless Technology Midterm Exam Answers
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NETW 561 Wireless Technology Midterm Exam Answers
(TCO A) Describe the evolution (1G through 4G) of wireless technology and discuss how this evolution has changed the landscape of the telecommunication market. (Points : 25)
(TCO B) The lecture lists five goals of the FCC. Apply those goals to wireless. Describe how each one might apply to today’s wireless market. (Points : 25)
(TCO C) Compare and contrast GSM and CDMA from a technology perspective for both network operation as well as the cell phone standpoint. (Points : 25)
4. (TCO D) Describe the applications and situations you would use SMS, GPRS, 1xRTT, and WAP. (Points : 25)
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NETW 561 Final Exam 100% Correct Answers
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NETW 561 Final Exam 100% Correct Answers
Question 1. 1. (TCO A) Briefly describe the modulation process. (Points : 20)
Question 2.2. (TCO A) Briefly describe the advantages of satellite communications. (Points : 20)
Question 3.3. (TCO B) Describe code division multiple access (CDMA). (Points : 20)
Question 4.4. (TCO C) Briefly discuss the advantages of GSM. (Points : 20)
(TCO D) Briefly discuss what General Packet Radio Systems (GPRS) is. (Points : 20)
Question 2.2. (TCO E) List the three different types of Call Session Control Function servers in IMS. (Points : 20)
Question 3.3. (TCO F) List three benefits of wireless LANs. (Points : 20)
Question 4.4. (TCO G) What two things do LTE and WiMAX have in common? (Points : 20)
(TCO A) Discuss the design consideration for frequency reuse in a cellular system and how performance measure of QoS works. (Points : 30)
Question 2.2. (TCO C) Using the TIDAL approach to decision making, solve the problem of picking CDMA or GSM for a company that has people traveling extensively in Europe and the United States, is only interested in voice services, and is looking for the lowest cost solution. (Points : 30)
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NETW 561 Entire Course Wireless Technology
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NETW 561 Entire Course Wireless Technology
NETW 561 Course Project Proposal Week 2 and Project Week 7 Wireless Technology Keller A +
The objective of the project is to recommend an upgraded wireless technology for a major telecommunication carrier. This is an individual project.
The course project will involve producing a professional and well-cited research report that will be due in Week 7. The report should propel management and investors to deploy services and compete against other wireless carriers.
Scenario: You are an independent consultant. You have been hired to prepare a recommendation to management on when, if at all, they should begin to deploy 4G next generation services.
The course project shall consist of a single solution: CDMA, GSM, GPRS, CDMA2000, or UMTS mobile wireless project (you decide which is the correct technology). PCS spectrum has been won in a fictional nation’s lottery, with the promise of a very quick deployment and cost-effective service by you and another competitor. The nation is a protectorate of the United States, using similar laws, language, and technology; there are no political barriers or rules that should be of concern to your company. There is a single existing 800 MHz TDMA cellular competitor with service in all 16 cities, but there is coverage-blocking issues coupled with very high charges and no wireless data services whatsoever! The nation has awarded two sets of licenses to you and another company to roll out a deployment that offers cost-effective service to their citizens…
NETW 561 Course Project Proposal Week 2 Wireless Technology Keller
NETW 561 Course Project Week 7 Wireless Technology Keller
The course project will involve producing a professional and well-cited research report that will be due in Week 7. The report should propel management and investors to deploy services and compete against other wireless carriers. Total of 31 pages.
NETW 561 Case Study Week 3 Wireless Technology Keller A+
This is the first case study assignment required for the course. Case studies are designed to give students the opportunity to analyze and solve real world problems.
Your completed case study will consist of your individual analysis and conclusions based on the following requirements:
The case study should be between 750 and 1,000 words.
Case Study 1 addresses the iPhone’s effect on the wireless industry based on the following article; as well as your supplementary research:
The Untold Story: How the iPhone Blew Up the Wireless Industry
Preview:
IPhone is a product of Apple Incorporation that was introduced to the June 2007. Although there had been several smartphone before it, the iPhone has…
NETW 561 Midterm Exam Wireless Technology Keller A+
(TCO A) Describe the evolution (1G through 4G) of wireless technology and discuss how this evolution has changed the landscape of the telecommunication market. (Points : 25)
In 1984, the first generation (1G) of mobile phones was created. It had no download capacity and only provided basic mobile voice (Sharma, 2013). In 1991, the second…
(TCO B) The lecture lists five goals of the FCC. Apply those goals to wireless. Describe how each one might apply to today’s wireless market. (Points : 25)
Since the FCC aims to promote competition, innovation and investment in broadband services and facilities, it urges telecommunication companies to further develop wireless technology. It also…
(TCO C) Compare and contrast GSM and CDMA from a technology perspective for both network operation as well as the cell phone standpoint. (Points : 25)
Global System for Mobile Communications, or GSM for short, is the most used carrier technology in the world. However, Code…
(TCO D) Describe the applications and situations you would use SMS, GPRS, 1xRTT, and WAP. (Points : 25)
SMS is used when exchanging short messages. It can also be used to send e-mail messages with less than 160 characters. Because it is…
NETW 561 You Decide Week 5 Wireless Local Area Networks Keller AS
GenMax is a large package delivery service company. While the company was once an industry leader with more than 30% market share, you now see that lead declining to 27% and continuing to slide. Your nearest competitor has gained ground and is now at 25% market share. The CEA has asked you to develop a strategy to regain market share and industry leadership. You have decided on the strategy of installing a real-time tracking system on the trucks, so that drivers can report the exact moment when a package is picked up and delivered. This information can then be made available to end-users through the website. The GenMax IT department has already selected the application that will be used for this project. The application is called ALLTRACK and is provided by an outside third-party supplier. Your team will pick a wireless transport technology and a wireless carrier to run the application….
NETW 561 Case Study Week 6 Wireless Technology Keller A + 6 Pages
This is the second case study assignment required for the course. Case studies are designed to give the student the opportunity to analyze and solve real world problems.
Your completed case study will consist of your individual analysis and conclusions based on the following requirements:
The case study should be between 750 and 1,000 words.
Case Study 2 addresses privacy concerns with mobile VoIP based on the following article; as well as your supplementary research:
Mobile VoIP – a privacy accident waiting to happen?: https://forums2.symantec.com/t5/Mobile-Wireless/Mobile-VoIP-a-privacy-accident-waiting-to-happen/ba-p/306416
Subjects Covered: Information technology, Internet, Service management, Technology & operations, Telecommunications, Telecommunications industry.
In Case Study 2, focus on the following issues:
The potential for wireless VoIP
The significance or insignificance of privacy concerns with mobile VoIP
NETW 561 Discussions Week 1-7 Wireless Technology All Students Posts 238 Pages Keller
NETW 561 Societal Changes as a Result of Wireless and Wireless Technology and Market Advantage Discussions Week 1 All Students Posts 37 Pages Keller
NETW 561 Societal Changes as a Result of Wireless Discussions 1 Week 1 All Students Posts 19 Pages Keller
Describe a major change in our society that was the direct result of wireless. Was it a good change or a bad change? Why?…
NETW 561 Wireless Technology and Market Advantage Discussions 2 Week 1 All Students Posts 18 Pages Keller
How can wireless technology provide an organization with a competitive advantage in its market? Discuss the pros and cons of wireless and wireline technologies. Give illustrative examples from the industry to support your claims….
NETW 561 The Goals of the FCC and What is the Best Way to Allocate Spectrum? Discussions Week 2 All Students Posts 36 Pages Keller
NETW 561 The Goals of the FCC Discussions 1 Week 2 All Students Posts 20 Pages Keller
The lecture lists five goals of the FCC. Use critical thinking to apply those goals to wireless. Describe how each one might apply to today’s wireless market. Use examples to support your position….
NETW 561 What is the Best Way to Allocate Spectrum? Discussions 2 Week 2 All Students Posts 16 Pages Keller
On September 18, 2006, the FCC announced that Advanced Wireless Services (AWS) spectrum auction, also known as Auction 66, closed with total bids of $14 billion. Another way to allocate spectrum is via lottery. Which way do you think is best for the wireless industry (auction or lottery)? Why do you think that? Use examples…
NETW 561 Compare CDMA to GSM and Impacts of Mobile Devices on Cellular Carriers Discussions Week 3 All Students Posts 36 Pages Keller
NETW 561 Compare CDMA to GSM Discussions 1 Week 3 All Students Posts 19 Pages Keller
The book lists eight benefits of CDMA (see pages 146-147). Compare those benefits to GSM. Do you think those benefits give CDMA an advantage over GSM? Why or why not?…
NETW 561 Impacts of Mobile Devices on Cellular Carriers Discussions 2 Week 3 All Students Posts 17 Pages Keller
The advent of smart phones (like Androids and iPhones) and tablets (like the iPad) are changing the way cellular carriers are doing business. What impacts do you see that these smart devices are having on cellular companies? How does this relate to GSM and CDMA technologies? How should carriers respond to this influx of devices?…
NETW 561 Wireless Data Revolution and Will WAP Last? Discussions Week 4 All Students Posts 32 Pages Keller
NETW 561 Wireless Data Revolution Discussions 1 Week 4 All Students Posts 17 Pages Keller
The book says we are in a wireless data revolution and wireless data did pass voice in usage in 2010. However, voice still accounts for a sizeable portion of cellular usage. Do you see the relative usage of voice decreasing further? Do you think voice has a future in the mobile space at all? What evidence do you have for your position?
NETW 561 Will WAP Last? Discussions 2 Week 4 All Students Posts 15 Pages Keller
WAP uses a microbrowser, a WAP Gateway, and a WAP Server to get Internet information unto the small screen of a mobile phone. Do you think this is a good idea, and will it last a long time? Or do you think this was just an interim solution to get to the Internet and that once data speeds and capability evolve, we will no longer need WAP? Support your opinion with evidence.
NETW 561 Is Bluetooth a Good Solution? And RFID and Supply Chain Management Discussions Week 5 All Students Posts 30 Pages Keller
NETW 561 Is Bluetooth a Good Solution? Discussions 1 Week 5 All Students Posts 16 Pages Keller
As the book says on page 249, Bluetooth is a “low-power, low-cost radio interface between mobile phones and their accessories.” Do you think Bluetooth is a good solution for connecting phones and their accessories? Do you think there will be a better solution soon? Or is Bluetooth here to stay?….
NETW 561 RFID and Supply Chain Management Discussions 2 Week 5 All Students Posts 14 Pages Keller
RFID is an important technology in supply chain management. What is supply chain management and how does RFID help in this area? Please support your opinions with strong evidence….
NETW 561 What Happened to the Local Wireless? And GPS Location Services Discussions Week 6 All Students Posts 35 Pages Keller
NETW 561 What Happened to the Local Wireless? Discussions 1 Week 6 All Students Posts 16 Pages Keller
The book talks a lot about the Wireless Local Loop (WLL) and Local Multipoint Distribution Services (LMDS), but if you scan the news today, you don’t read much about these services. Why do you think that is? What do you think is taking their place?…
NETW 561 GPS Location Services Discussions 2 Week 6 All Students Posts 19 Pages Keller
Explain the GPS technology, and describe a GPS-based application. Which other location-based wireless systems do you know? How do they differentiate from GPS?…
NETW 561 4G Technology Competition and Is Data the Future? Discussions Week 7 All Students Posts 32 Pages Keller
NETW 561 4G Technology Competition Discussions 1 Week 7 All Students Posts 17 Pages Keller
In the United States, there is a great deal of competition between LTE (Verizon), WiMax (Sprint), and HSPA+ (AT&T) for 4G dollars. Is this competition in the best interest of the general public? Europe does not seem to have this competition among technologies. Is that a better way? Should the government just pick a standard and mandate it? Or should we let the marketplace decide?
NETW 561 Is Data the Future? Discussions 2 Week 7 All Students Posts 15 Pages Keller
Many wireless carriers are spending a lot of money on promoting wireless data. Do you think that is a good idea? Is data more or less profitable for wireless carriers than voice?…
NETW 561 Final Exam Wireless Technology
(TCO A) Briefly describe the modulation process. (Points : 20)
Modulation is the process of combining a signal with a sinusoid in order to produce a new signal. It entails the superimposition of the information…
(TCO A) Briefly describe the advantages of satellite communications. (Points : 20)
Satellite communication has many advantages. For example, when using satellite communication, mobile communication can be more…
(TCO B) Describe code division multiple access (CDMA). (Points : 20)
(TCO C) Briefly discuss the advantages of GSM. (Points : 20)
(TCO D) Briefly discuss what General Packet Radio Systems (GPRS) is. (Points : 20)
General Packet Radio System, or GPRS, offered a significant improvement in the data transfer capacity over existing cellular systems. It was the…
(TCO E) List the three different types of Call Session Control Function servers in IMS. (Points : 20)
The Proxy-Call Session Control Function (P-CSCF) is a SIP proxy that is the first contact point for the IP Multimedia Subsystem (IMS) terminal. The P-CSCF…
(TCO F) List three benefits of wireless LANs. (Points : 20)
One of the main advantages of wireless LANs is mobility. In can provide LAN users with access to real-time information anywhere in their organization. It also allows…
(TCO G) What two things do LTE and WiMAX have in common? (Points : 20)
LTE and WiMAX both support advanced MIMO – multiple input and multiple output antenna technology. They also…
(TCO A) Discuss the design consideration for frequency reuse in a cellular system and how performance measure of QoS works. (Points : 30)
Cellular frequency reuse is a concept used by cellular phone networks. In the cellular reuse concept, frequencies allocated to…
(TCO C) Using the TIDAL approach to decision making, solve the problem of picking CDMA or GSM for a company that has people traveling extensively in Europe and the United States, is only interested in voice services, and is looking for the lowest cost solution. (Points : 30)
Although neither GSM or CDMA is technically better; they ultimately provide the same service, and the quality of a network depends on the carrier. When choosing whether to pick CDMA or GSM, the better…
(TCO F) The U.S. government is thinking of putting RFIDs in passports. Discuss all of the technical and business elements that would be needed to make this happen, and specifically talk about how the government could deploy the service. Discuss the security and privacy issues associated with this proposal. Do you think this is a good idea for the government or not? Support your idea. (Points : 30)
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NETW 360 Week 2 iLab: RF Behavior Calculations
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NETW 360 Week 2 iLab: RF Behavior Calculations
Task 1: Power calculations
Use the calculator in the Power section to complete the following steps:
1. On the lower UNII-1 band (i.e., 5.150–5.250 GHz with 100 MHz channels), the maximum output power of the intentional radiator (IR) allowed by the FCC is 50 mW. The IR is also referred to as a wireless transmitter.
Click in the watts box and type 0.05 (50 mW = 0.05 watts). What is the dBm of 50 mW?
__________
2. On the middle UNII-1 band (i.e., 5.250–5.350 GHz with 100 MHz channels), the maximum output power of the intentional radiator (IR) allowed by the FCC is 250 mW.
Click in the watts box and type 0.25 (250 mW = 0.25 watts). What is the dBm of 250 mW?
__________
3. On the upper UNII-1 band (i.e., 5.725–5.825 GHz with 100 MHz channels), the maximum output power of the intentional radiator (IR) allowed by the FCC is 800 mW.
Click in the watts box and type the given power level in watts. What is the dBm of 800 mW?
__________
Scroll down to the Receive Sensitivity section. Review the information regarding receive sensitivity.
4. The receive sensitivity of a LinksysWUSB600N wireless network adaptor at 54 Mbps is -70 dBm. Click in the dBm box and type -70. What are the watts of -70 dBm?
__________
5. The receive sensitivity of a LinksysWUSB300N wireless network adaptor at 54 Mbps is -68 dBm. Click in the dBm box and type -68. What are the watts of -68 dBm?
__________
6. If you have to choose between these adaptors based on their receive sensitivity at the bit rate of 54 Mbps, which adaptor will potentially perform better in achieving the desired bit rate?
__________
Task 2: Cable loss calculations
Use the calculator in the Loss in a Coaxial Cable at 2.45 GHz section to complete the following steps:
1. Next to Choose type of cable, select LMR 400. This is a TMS cable that supports both 2.4 GHz and 5 GHz RF signals. 100 feet of such cable used on the 2.5 GHz range decreases the signal strength by about 6.76 dB (that is, 6.76 dB signal loss per 100 feet).
2. Click in the Length (meter) box and type 30.48 (100 feet = 30.48 meters). Click m→dB. What is the loss at this length? __________
3. Click in the Length (meter) box and type 60.92 (200 feet = 30.48 meters). Click m→dB. What is the loss at this length? __________
4. When the cable length doubles, how does the loss change, approximately? __________
Task 3: Antenna gain calculations
Use the calculator in the Antenna section to complete the following steps:
1. Next to frequency band, select 2.41–2.48 GHz.
2. Next to antenna diameter in meters, type 0.1 (0.1 meters = 3.9 inches). This is an optional antenna that could be added to an access point (AP).
3. Click D→ dB. What is the maximum theoretical antenna gain? __________
4. Next to frequency band, select 5.15–5.85 GHz.
5. Next to antenna diameter in meters, type 0.1 (0.1 meters = 3.9 inches)
6. Click D→ dB. What is the maximum theoretical antenna gain? __________
7. Given the same sized reflector, which signals, high-frequency or low-frequency, can be more efficiently focused by parabolic antennas (i.e., result in a higher antenna gain)?
__________
8. Next to frequency band, select 5.15–5.85 GHz.
9. Next to antenna diameter in meters, type 0.2 (0.1 meters = 7.8 inches)
10. Click D→ dB. What is the maximum theoretical antenna gain? __________
11. Given the same signal frequency, which dish antennas, large-sized or small-sized, are more efficient at focusing the signal (i.e., result in a higher antenna gain)?
__________
Task 4: Free space loss calculations
Use the calculator in the Free space loss section to complete the following steps:
1. Next to frequency band, select 2.41–2.48 GHz.
2. Next to kilometers, type 0.1 (100 meters = 0.1 kilometers).
3. Click dB← km. What is the free space path loss in dB? __________
4. Change the frequency band to 5.15–5.85 GHz.
5. Next to kilometers, type 0.1 (100 meters = 0.1 kilometers).
6. Click dB← km. What is the free space path loss in dB? __________
7. How does the free space path loss for 802.11a (operating on the 5 GHz band) compare with 802.11g (operating on the 2.4 GHz band)? __________
8. Next to frequency band, select 2.41–2.48 GHz.
9. Next to kilometers, type 0.02 (20 meters = 0.02 kilometers).
10. Click dB← km. What is the free space path loss in dB? __________
11. Next to kilometers, type 0.04 (40 meters = 0.04 kilometers).
12. Click dB← km. What is the free space path loss in dB? __________
13. Next to kilometers, type 0.08 (80 meters = 0.08 kilometers).
14. Click dB← km. What is the free space path loss in dB? __________
15. When the distance doubles, how does free space path loss in dB change?
___________________________________
16. Next to frequency band, select 17.1–17.3 GHz.
17. Next to kilometers, type 1.
18. Click dB← km. What is the free space path loss in dB? __________
19. Next to kilometers, type 2.
20. Click dB← km. What is the free space path loss in dB? __________
21. Next to kilometers, type 4.
22. Click dB← km. What is the free space path loss in dB? __________
23. When the distance doubles, how does free space path loss in dB change?
___________________________________
Task 5: Link budget calculations
Use the calculator in the Link budget section to complete the following steps:
1. Enter the following values for an office WLAN:
Transmit—
Transmit output power: +15 dBm
Cable loss: -6 dB
Antenna gain: +2 dBi
NOTE: the previous values are used to compute effective isotropically radiated power (EIRP): (+15 dBm) + (-6 dB) + (+2 dBi) = 11 dBm. By definition, EIRP is the amount of power an ideal isotropic radiator can generate. In reality, EIRP is the power radiated from an antenna; it is regulated by the FCC.
Propagation—
Free space loss: -81 dB
Reception—
Antenna gain: +2 dBi
Cable loss: -4 dB
Receiver sensitivity: -80 dBm
2. Click Compute. What’s the total remaining margin in dB? __________
3. Is this margin sufficient to accommodate received signal fluctuations? Why?
_________________________________________
4. Enter the following values for a 10-killometer outdoor transmission link:
Transmit—
Transmit output power: +10 dBm
Cable loss: -3 dB
Antenna gain: +25 dBi
NOTE: the previous values are used to compute effective isotropically radiated power (EIRP): (+10 dBm) + (-3 dB) + (+25 dBi) = 32 dBm. EIRP is regulated by the FCC.
Propagation—
Free space loss: -120 dB
Reception—
Antenna gain: +25 dBi
Cable loss: -3 dB
Receiver sensitivity: -80 dBm
5. Click Compute. What’s the total remaining margin in dB? __________
6. Is this margin sufficient to accommodate received signal fluctuations? Why?
____________________________________________
Task 6: Link budget calculations
Use the calculator in the Fresnel ellipsoid section to complete the following steps:
1. Next to distance “D” between transmitter and receiver [meters], type 114. This is close to the maximum distance of an office WLAN.
2. Next to distance “d” between transmitter and obstacle [meters], type 65. This assumes an obstacle is at the midpoint between two antennas.
3. Click Compute radius. What’s the radius of the Fresnel zone at the middle point? ________
4. Next to distance “D” between transmitter and receiver [meters], type 16000. This refers to an approximately 10-mile outdoor point-to-point transmission link.
5. Next to distance “d” between transmitter and obstacle [meters], type 4800. The obstacle is about 3 miles from one antenna.
6. Click Compute radius. What’s the radius of the Fresnel zone at this specific location?
__________________________________
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NETW 320 Course Project QoS Design and Implementation
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Objectives
As a network engineer working for a Service Provider, design and implement QoS on a converged network. For this project it is assumed that the converged network offers triple play services and has the following traffic: VOIP, High Definition TV (HDTV), Video on Demand (VOD) and Internet.
Note 1: The project is based on the experience acquired by the students in the previous labs, hence the main sources to complete the project are the labs of previous weeks, so it is important that the students review the lab instructions of the labs that have already been completed.
Note 2: The students will have access to the same lab equipment of Skillsoft as the previous weeks. The students will need to access the iLab to complete the project.
Project Requirements
Part A: Design
In this part the student should provide the QoS design.
A1. It is assumed that the traffic sources for HDTV, VOD, VOIP and Internet are connected to switch NYCORE1 to four different ports. The following are the requirements: (10 points)
Assign a switch port to each type of traffic.
Assign a COS to each type of traffic. The COS marking has 8 classes, from 0 to 7, assuming 0 is the lowest priority and 7 is the highest. Decide which class each traffic should have, based on the importance of the traffic.
Provide your answers in the form of the table below:
Traffic Type
Switch Port Number
COS
Note that the answers for COS assignments can be slightly different from student to student, as we have 8 classes but only 4 types of traffic to classify.
A2. Explain in a short answer how or why you picked the highest priority traffic and the lowest priority traffic? (5 points)
A3. Calculate the total bandwidth required for the following customer profile. (5 points)
It is assumed that the customer subscribed to a package that allows him or her to receive to his or her residence simultaneously 2 HDTV channels, 2 VOD streams, VOIP, and Internet traffic. The bandwidth requirements for each type of traffic is as follows: �� One HD channel: 5 Mbps
One VOD: 5 Mbps
VOIP: 2 Mbps
Internet: 18 Mbps
Calculate and provide the total bandwidth required for the customer based on his subscribed package above:
Total bandwidth = _______________
A4. Assuming the customer is connected to one FastEthernet port of switch NYCORE2, assign a port to the customer; it can be any free port from the switch: (5 points)
Customer port number is _____________________
A5. The switch has four queues on each port: 1, 2, 3 and 4. Assign a queue to each type of traffic based on their COS. Assign the percentage of the total bandwidth that should be reserved for each queue, based on the bandwidth required for each type of traffic, use the subscribe package description in A3. Provide your answer in the form of the following table: (15 points)
Traffic Type
COS
Queue Number
% of total bandwidth
Note that the queue assignment can be different from student to student, and for the case of the project, we assume it is not important which queue is assigned to each traffic type, as long as it has the right bandwidth percentage for the corresponding COS.
Part B: Implementation
In this part, the student will provide the configuration.
Note 3: Make sure that the QoS is enabled on the switch you are configuring QoS on.
Note 4: Configurations on switch NYCOR1 and switch NYCORE2 are independent, meaning they can be done in different days for each switch.
B1. It is assumed that traffic sources are connected to NYCORE1 switch. Access iLab NYCORE1 and enable QoS on NYCORE1. (5 points)
Provide the configuration steps.
Provide the verification using show command.
B2. Configure traffic classification based on your design from A1, configure the assigned COS on each port for each type of traffic. (10 points)
Provide the switch configuration steps.
Provide the verification of your configuration using show command.
B3. It is assumed that the customer is connected to NYCORE2, to the port you assigned in A4. Access iLab NYCORE2 switch and enable QoS. (5 points)
Provide the configuration steps.
Provide the verification using show command.
B4. Based on the total bandwidth calculated on A3, configure the bandwidth limit on the switch port which the customer is connected to and you assigned in A4. Note that the total bandwidth is the bandwidth limit for the customer. (5 points)
– Provide the configuration steps.
B5. Configure the queues, by assigning traffic types based on its COS to its corresponding queue. Use the queue assignment from A5. (10 points)
Provide the configuration steps.
Provide the verification using the show command.
B6. Reserve the bandwidth for each type of traffic, use the Shared Round Robing method and your table from A5. (5 points)
Provide the configuration steps.
– Provide the verification using the show command.
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NETW 250 Full Course ILabs – latest August 2016
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NETW 250 Full Course ILabs – latest August 2016
NETW250 Week 1 iLab – How Is the PSTN Used Today?
1. What is a VPN as you understand it (before reading AT&T’s description)? (5 points)
2. What is a VPN as AT&T describes it? (5 points)
3. What is the difference between a MPLS and an IPSec VPN as AT&T explains it? (5 points)
.
4. What is metro Ethernet? (5 points)
5. What are SONET ring services? (5 points)
6. Does AT&T offer frame relay? (5 points)
7. Does AT&T offer T-carrier service, also called private line? (5 points)
.
8. AT&T offers DWDM as a service. What is DWDM? (5 points)
NETW250 Week 2 iLab: Avaya IP Office Phone System
NETW250 Week 3 iLab: Observing VoIP Protocols Using Wireshark
NETW250 Week 4 iLab: Unified Communications Server Elastix: A One-Server Scenario
NETW250 Week 5iLab: VoIP Traffic Engineering
Task 1—Calculate the VoIP traffic load in access trunks to the Internet.
Q1. What is the number of call-attempts during the busy hour at the company’s location?
Q2. What is the traffic load in Erlangs during the busy hour? Show calculation and units.
Q3. What in the dimension of traffic measurement unit Erlang?
Task 2—Calculate the number of SIP trunks and access link bandwidth required for VoIP calls to the Internet.
Q4. What is the difference between a completed call and a callattempt?
Q5. What is the number of SIP trunks (lines from the online calculator) required to meet company’s need?
Q6. What access bandwidth (Kbps from the online calculator) is required to connect the company’s location to the Internet?
Q7. If T1 bandwidth is 1.544 Mbps, T3 bandwidth is 44.736 Mbps, and there are 28 T1 in a T3, what access connection(s) does the company need to lease in terms of T1 and/or T3? Show the calculation.
Q8. Enter a screenshot below showing the results from the Erlang-to-VoIP bandwidth calculator.
Task 3—Calculate the number of backup access channels to the PSTN.
Q9. How many analog lines does the company need to subscribe from a TSP? Include a screenshot below that shows the calculator results. 48
Q10. Assume that each analog line can carry 1 Erlang of voice traffic. What is the utilization of the PSTN trunks if an Internet failure occurs during busy hour? Show the calculation.?
NETW250 Week 6iLab: Troubleshooting VoIP Traffic
Examining VoIP Call Streams
Answer the following questions based on the iLab6-Capture1.pcap file.
· Which protocol was used for the telephone to attempt to register with the PBX?
–
· What is the type or name of the message or request that is sent by the telephone to the PBX?
· The TCP or UDP port that a VoIP protocol uses must be kept open in a firewall so that the traffic can pass through. In this same file, what TCP or UDP port is used in Frame 1?
· The exchange between the telephone and PBX specifics a realm they belong to. What is the name of this realm?
Answer the following questions based on the iLab6-Capture3 file.
· In the file, SIP creates a connection between the two telephones and RTP carries the call session itself. How many frames are required by SIP to just setup this call?
· In the file, SIP creates a link between the two telephones and RTP carries the call itself. How many frames are required by SIP to just end the call?
Answer the following question based on the iLab6-Capture4.pcap file.
· The RTP protocol is defined in an IETF RFC document; it specifies how RTP operates. What is this RFC?
Answer the following questions based on the iLab6-Capture7 file.
· The RTCP protocol appears in frame 529. What does RTCP stand for?
· In the capture file, the RTCP protocol appears several times. What is the function of RTCP?
· In the capture file, another protocol appears occasionally with SIP. The frames show it as SIP/SDP. What does SDP stand for?
NETW250 Week 7 iLab: Unified Communications Server Elastix:A Two-Server Scenario
Exercise 1—Testing phone calls between extensions before the interexchange trunk configuration
Exercise 2—Configuring interexchange trunks and routes on two Elastix servers
Task 3—Take two screenshots showing the configuration parameters of newly created trunk ELASTIX2.The screenshots should show the same information included in Figure 11 and Figure12
Task 4—Takea screenshot showing that route Elastix2Exts is added to the ELASTIX_SRV1 server as demonstrated in Figure 18
Task 5—Takea screenshot showing the configuration parameters of route Elastix2Exts on server ELASTIX_SRV1 as demonstrated in Figure 17.
Task 6—Take a screenshot of the configuraion page showing that trunk ELASTIX1(iax) is created on ELASTIX_SRV2 as demontratedin Figure 19.
Task 7—Take two screenshots showing the configuration parameters of newly created trunk ELASTIX1on server ELASTIX_SRV1.The screenshots should show the same information included in Figure 20 and Figure 21
8—Takea screenshot showing that route Elastix1Exts is added tothe ELASTIX_SRV2 server as demonstrated in Figure 22.
Task 9—Takea screenshot showing the configuration parameters of route Elastix1Exts on server ELASTIX_SRV2 as demonstrated in Figure 23.
Task 10—Question:Compare and contrast SIP and IAX trunks, including typical applications where they are used and standards they based on. Cite references and sources used in this research.
Exercise 3—Testing phone calls between interexchange extensions after the trunk configuration
Task 11—Take a screenshot of softphones 101 and 204 showing the call iscoming through as demonstrated in Figure 24.
Task 12—Take a screenshot of softphones 102 and 203 showing the call iscoming through as demonstrated in Figure 25.
o
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NETW 240 Course Project: Operating System Proposal
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Course Project: Operating System Proposal
Objectives
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Your company is currently investigating the use of Linux. Your manager has asked you to research the feasibility of using Linux in both the server and workstation environments (from the operating system point of view). Your manager would like to see an 8- to 10-page paper that
compares and contrasts Linux server and Linux workstation OS products between three separate and distinct Linux distros (i.e., RedHat, SuSe, Ubuntu ); and
addresses the specific issues of total cost of ownership, training, support, performance, reliability, and application availability.
Guidelines
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The following is a list of guidelines for your Course Project, due in Week 6.
Week 3: Outline (35 points)
Week 6: Paper (115 points)
Week 6 Paper
Category
Points
Description
Documentation, Editing, and Formatting
20
A quality paper will be free of any spelling, punctuation, or grammatical errors. A quality paper will include a title page, appropriate sections based on a table of contents (TOC), an abstract or executive summary, proper citations, and a bibliography. It will conform to APA guidelines; including citations and references.
Organization and Cohesiveness
20
A quality paper will include an introduction based on a well-formed thesis statement. The logical order of the paper’s content will be derived from the thesis statement. Sentences and paragraphs will be clear, concise, and factually correct. The content will be properly subdivided into sections derived from the outline or TOC. In a quality paper, the conclusion will summarize the previously presented content, and will complement the thesis statement from the introduction.
Content
75
A quality paper will address requirements to compare and contrast both the server and workstation products from three different Linux vendors. A quality paper will have significant scope and depth of research to support statements. A quality paper will employ sound use of reasoning and logic to reinforce conclusions. Relevant illustration or examples are encouraged.
Total
115
A quality paper will meet or exceed all of the above requirements.
Best Practices
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The following are best practices in preparing this paper.
Start your research as early as possible, preferably in Week 1.
Use academic and professional journals, magazines, nonbiased websites, and so forth as the foundation for your references. Extensive use of vendors’ literature for evaluating its products will usually result in a biased perspective.
Create a functional outline before you begin to write your paper. Use it as your guide while writing to maintain proper organization and cohesion. And yes, it is okay to refine your outline as you write your paper.
Again, the focus is on the business environment, not personal or home use.
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NETW 230 Entire Course all Weeks labs , quizzes and final exam
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MTH 221 Entire Course (Discrete Math For Information) Complete Course
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Description:
Individual – Selected Textbook Exercises : Chapter 1 Supplementary Exercises
MTH 221 Week 1 DQs
(A) Consider the problem of how to arrange a group of n people so each person can shake hands with every other person. How might you organize this process? How many times will each person shake hands with someone else? How many handshakes will occur? How must your method vary according to whether or not n is even or odd?
(B) There is an old joke that goes something like this: “If God is love, love is blind, and Ray Charles is blind, then Ray Charles is God.” Explain, in the terms of first-order logic and predicate calculus, why this reasoning is incorrect.
(C) There is an old joke, commonly attributed to Groucho Marx, which goes something like this: “I don’t want to belong to any club that will accept people like me as a member.” Does this statement fall under the purview of Russell’s paradox, or is there an easy semantic way out? Look up the term fuzzy set theory in a search engine of your choice or the University Library, and see if this theory can offer any insights into this statement
MTH 221 Week 1 Individual — Selected Textbook Exercises
MTH 221 Week 2 DQs
(A) Describe a situation in your professional or personal life when recursion, or at least the principle of recursion, played a role in accomplishing a task, such as a large chore that could be decomposed into smaller chunks that were easier to handle separately, but still had the semblance of the overall task. Did you track the completion of this task in any way to ensure that no pieces were left undone, much like an algorithm keeps placeholders to trace a way back from a recursive trajectory? If so, how did you do it? If not, why did you not?
(B) Describe a favorite recreational activity in terms of its iterative components, such as solving a crossword or Sudoku puzzle or playing a game of chess or backgammon. Also, mention any recursive elements that occur.
(C) Using a search engine of your choice, look up the term one-way function. This concept arises in cryptography. Explain this concept in your own words, using the terms learned in Ch. 5 regarding functions and their inverses.
MTH 221 Week 2 Individual – Selected Textbook Exercises
MTH 221 Week 3 DQs
MTH 221 Week 3 Individual — Selected Textbook Exercises
MTH 221 Week 4 DQs
MTH 221 Week 4 Individual – Selected Textbook Exercises
MTH 221 Week 5 DQs
MTH 221 Week 5 Individual – Selected Textbook Exercises
MTH 221 Week 5 Learning Team — Research Presentation
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MT 460 Unit 9: Defender Direct, Inc. Case Study Analysis
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MT 355 Unit 4 Assignment External Secondary Research
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Conducting external secondary research can help support the need for a study when addressing a management problem identified for a marketing research proposal. In this assignment, you will demonstrate your ability to conduct secondary research to inform a proposal for a new product idea.
In this assignment, you will engage in the development of the following professional competencies: Understands how to approach unstructured problems
Scenario:
As a marketing researcher working for the McDonalds© Corporation, you are tasked with performing secondary marketing research to inform a brief proposal that introduces a new product concept that can be added to the menu. Preparation for executing this task will mean that you conduct secondary marketing research to learn the types of food that McDonald’s does and does not carry.
Do some brainstorming. Given your knowledge of what McDonald’s currently offers and your knowledge of other foods that they COULD be carrying, think up two or three possible products that you believe would be a possible good addition to the McDonald’s menu. Yes, this may mean you have to go to a McDonald’s and do some on-site research- possibly even sampling the menu items. See- not all exploratory research is drudgery!
Instructions for completing this assignment
Write a 2-3 page persuasive essay in APA Style format. Be sure to use complete sentences, and provide specific examples when applicable. As with all material you submit, check for correct spelling, grammar, punctuation, mechanics, and language usage.
In your essay, include the following information:
Provide two or three initial ideas for new products that McDonald’s can include on the menu.
Find two articles or other references in the library or the Internet from credible sources that provide some information on whether the product might be successful. For instance, if you decide that McDonald’s should offer French cuisine on their menu, you would try to find an article that provides information on how US consumers have increased their consumption of French cuisine over the past three years.
For each article: Provide a brief explanation of how each supports one or all of the possible products you have selected for candidates to be placed on McDonald’s current menu.
Provide a very brief summary of the two articles you found. The summary should be approximately one paragraph for each article.
Provide a reference list for the articles you have found in APA format.
In the past, many students have selected popular products that McDonald’s does not offer, but other restaurants successfully provide. This is an opportunity to use your creativity, so think critically on what products may positively impact the McDonald’s menu of products to increase revenues and profitability. The secondary research used in this assignment should support your new product idea. Remember you are in the process of finding data that will convince a hardened senior executive that your addition to the menu will be good for McDonald’s and their bottom line.
For additional requirements in relation to this assignment, see the grading rubric below.
Directions for Submitting Your Assignment
Review the grading rubric below before beginning this activity. For additional help with your writing and APA citation, please visit the Kaplan University Writing Center. Compose your Assignment as a Microsoft® Word® document and save it with your first name initial and last name (Example: TAlex-MT355 Assignment-Unit
4.docx). Submit your file by selecting the Unit 4: Assignment Dropbox by the end of Unit 4.
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MKTG 522 Marketing Management Entire Course
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MKTG 522 Marketing Management Entire Course
MKTG 522 Week 1 Course Project – Marketing Plan Topic Form
MKTG 522 Week 1 DQ 1 Market Research
MKTG 522 Week 1 DQ 2 Strategic Marketing Planning
MKTG 522 Week 2 Course Project – MP First Draft
MKTG 522 Week 2 DQ 1 Consumer Buying Behavior
MKTG 522 Week 2 DQ 2 Target Market Selection
MKTG 522 Week 3 Quiz
MKTG 522 Week 3 DQ 1 Branding
MKTG 522 Week 3 DQ 2 Competitive Strategies
MKTG 522 Week 4 Course Project – MP Second Draft
MKTG 522 Week 4 DQ 1 Pricing Strategies
MKTG 522 Week 4 DQ 2 Marketing of Services
MKTG 522 Week 5 Quiz
MKTG 522 Week 5 DQ 1 Channels of Distribution
MKTG 522 Week 5 DQ 2 Retailing, Wholesaling, and Logistics
MKTG 522 Week 6 Course Project – MP Third Draft
MKTG 522 Week 6 DQ 1 Marketing Communications
MKTG 522 Week 6 DQ 2 Advertising Effectiveness
MKTG 522 Week 7 Course Project – Final Marketing Plan
MKTG 522 Week 7 DQ 1 International Markets
MKTG 522 Week 7 DQ 2 Ethics and Social Responsibility
MKTG 522 Week 8 Final Exam
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MKT 620 Action Assignment B
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Action Assignment B: Summarize and analyze a journal article or a YouTube video on virtual teams and post your analysis of the article or video below the 5 answers on the (same!) Moodle discussion forum WEB 2.0.
****Please read and follow the directions exactly stated below. Thanks!!!
Details: O’Rourke emphasizes (in Ch. 7) the growing popularity of virtual teams in today’s businesses and highlights some advantages and disadvantages of working virtually. He does not, however, discuss (1) the challenges virtual team leaders face because of the distributed and asynchronous nature of virtual projects, (2) the communication challenges team members face because they must be self-directed, politically and culturally sensitive, and able to admit their mistakes, (3) and the strong goal-orientation team members must possess to meet project objectives.
Your task is to find a journal article (does not need to be a scholarly one) or a YouTube video that discusses oneof the three points mentioned above. After reading or watching the material you found, summarize it in one short paragraph (80-100 words – call it Summary) and let your reader know which of the three topics the article or video refers to; then you analyze the information (take it apart, examine relationships) in about two or threeshort paragraphs (call it Analysis); and finally, evaluate the info (judge, critique, defend) in one paragraph (call itEvaluation).
Include the following aspects in your summary:
1. Start your summary in the present tense with a clear identification of the title, author, type of work (e.g., journal article, blog, online periodical, article from database, newspaper article, ebook, kindle, online interviews, etc. – use Wikipedia only as a starting point). Example: In the BizEdarticle, “Leadership Communication”, the author, John Norten, explains the multiple dimensions of leadership communication.
2. Do not include any of your own ideas, opinions, or interpretations into the summary.
3. Remind your reader once or twice that this is a summary by using phrases such as the article claims, the author suggests, etc.
4. Cite the source of your summary in the References. (APA FORMAT)
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