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NETW 563 Entire Course DeVry
NETW 563 Entire Course Wireless Networks DeVry
A Case Study Week 2, 6|Course Project Week 3, 7|Midterm Exam|You Decide Week 5|Discussions Week 1-7|Final Exam
NETW 563 Case Study Week 2 DeVry
Municipal WiFi – Hot or Not?
A number of U.S. cities have launched municipal WiFi networks over the past few years. Research three deployments, anywhere in the world, and compare the networks in terms of architecture, applications, cost to the consumer, and success.
Subjects Covered: Consumers, Customer relations, Information technology, Innovation, Internet, Market research, Marketing strategy, Pricing, Product introduction, Telecommunications industry….
Preview:
Municipal wifi is criticized as it is difficult to provide free wifi services from a cost and performance perspective. The city will have to incur losses, and performance will be affected as more people use it. There are also issues related to security and privacy. Many cities in the US launched free wifi networks…
NETW 563 Course Project Proposal Week 3 DeVry
The objective of the project is to recommend a wireless solution for a sporting goods company. This is an individual project. You will be required to submit two assignments for the project. Because of this, you may need to spend additional time and effort in Week 3 to produce the proposal which will form the basis for your project…
Preview:
The final project report will provide detailed information on the assessment of the problem, the solution selection process, the key steps in the solution’s implementation, the evaluation and monitoring parameters of the solution, and the key stakeholders….
NETW 563 Midterm Exam Wireless Network DeVry
(TCO A) A wireless client network interface card performs each of the following tasks except (Points : 5)
Transmitting the packet over radio waves.
Determining when to send the packet.
Dividing data into packets.
Sending packets to a wired network through a root remote wireless bridge.
(TCO A) A _____ is a million hertz. (Points : 5)
Kilohertz
Megahertz
Gigahertz
Kilohertz
(TCO C) The bit pattern used in a WLAN direct sequence spread spectrum transmission is called the (Points : 5)
Barker code.
Oscillation modulation.
Chip set.
XOR Inverse (XORI).
(TCO C) _____ is a group of wireless devices that is served by a single access point (AP). (Points : 5)
Basic Service Set
Ad hoc mode
Extended Service Set
Independent Service Set
(TCO D) Each of the following is a design goal of a site survey except (Points : 5)
Implement a wired network infrastructure.
Achieve the best possible performance from a WLAN.
Determine the best location for access points.
Develop wired networks optimized for a variety of applications.
(TCO D) A device that converts direct current from a battery to alternating current is a(n) (Points : 5)
DC-to-AC converter.
AC-to-DC converter.
Universal Power Adapter (UPA).
Power Converter (PC).
(TCO E) After the security flaws in WEP were publicized, the IEEE TGi task group released a new proposed implementation known as what? (Points : 5)
WPA
WEP2
TKIP
Dynamic TKIP
(TCO E) WPA and WPA2 were created by which organization? (Points : 5)
IEEE
CompTIA
Wi-Fi Alliance
Wireless Research Resource Group (WRRG)
(TCO A) Give a brief summary of the characteristics of IEEE 802.11b, 802.11a, and 802.11g wireless networks. (Points : 10)
IEEE 802.11b maximizes the throughput and makes it as high as eleven megabits per second but it…
(TCO A) What are some limitations to infrared wireless LAN systems? (Points : 10)
The limited range is one of the obvious limitations to infrared wireless LAN systems. It does…
(TCO C) What is fragmentation, and how does fragmentation reduce collisions? (Points : 10)
Fragmentation pertains to the process of splitting up the datagram into simpler components so that they can all be…
(TCO C) What are two disadvantages of IEEE 802.11g networks? (Points : 10)
One of the disadvantages of IEEE 802.11g networks is that the number of channels that can be accessed is…
(TCO D) Explain channel reuse. (Points : 10)
Wireless signals always have a group of channels that are allocated to a particular location, which can be…
(TCO E) Explain how WEP violates the “cardinal rule” of cryptography. (Points : 10)
The application of the WEP violates the cardinal rule of cryptography in the sense that cryptography requires…
NETW 563 You Decide Richton Toys Week 5 DeVry
Scenario Summary
Richton Toys is an independent toy designer and has been around for about 2 years. Up until now, they have occupied 1/2 of a floor in a 30-story office tower, and are currently using a CAT5 ethernet LAN that a previous tenant installed for their network. Recently, several users have installed a 802.11b network on their own. Moore H. Pschorr, the company CEO, is becoming concerned about the network setup, as corporate espionage is rampant in the toy industry, but so far, the WLAN is popular with his teams. Additionally, the sales department has been complaining about how unprofessional it is to have problems with or lose a connection during a sales meeting or conference. At this point in time, Richton Toys does not have a formal I.T. department, though Jim Coombes, a very tech-savvy user is currently managing it on the side. He also has some ideas for improving the network but may not have all of the skills to make the best decisions. Since the Human Resources department has a clearer view of the company’s future growth in the near future, CEO Moore has asked them to bring in your consulting firm to listen to some ideas from the team, and to provide them with some solid direction where to go….
Preview:
The first step that should be taken in the development of a strategy to respond to Richton Toy Company’s situation is to assess their networking needs and to evaluate the various options available for…
NETW 563 Case Study Week 6 DeVry
NETW 563 Case Study Recommendation for Municipal Wifi in Bayton City Week 6 DeVry
Bayton is small Midwestern city of 30, 000 people. The town is located on Lake Michigan and supports a large 600 slip marina that is adjacent to the downtown business district….
In Case Study 2, focus on the following issues:
– The potential of the Municipal WiFi network to spark investment based on your previous research
– The potential to leverage the network for municipal services such as police, fire, meter reading, etc…based on your previous research
– The potential for the city to provide a internet access as a public utility, akin to the water department or garbage collection based on your previous research
Preview:
A number of municipal wifi implementations have been successful. For example, Arcata, a town in California, has implemented free municipal wifi. It can be accessed by people commuting on the river transit system; thus, enabling them to stay online even in transit. The wifi connection is…
NETW 563 Course Project Week 7 Wireless Networks DeVry
The objective of the project is to recommend a wireless solution for a sporting goods company. This is an individual project. You will be required to submit two assignments for the project. Because of this, you may need to spend additional time and effort in Week 3 to produce the proposal which will form the basis for your project.
Plan on utilizing the Writing Source, available under Student Resources under the Course Home tab on the left, or make use of the official style guide entitled, Writing the Research Paper: A Handbook, 6th edition, by Anthony C. Winkler and Jo Ray McCuen. This handbook includes information on the following styles: APA, MLA, CEE, CMS, and Columbia Online (ISBN – 1413001785).
Scenario: The Wireless Technology Company (WTC), a company that assists organizations and businesses with issues involving network planning and design, has hired you as a consultant. The Athlete’s Shack (TAS) is a chain of sporting goods stores. Because TAS has grown in popularity, it now has 10 stores in the area. TAS is considering implementing a wireless technology that will link all of its stores through wireless broadband service, installing WLANs in each store, and providing its employees with iPads for better customer service. TAS is unsure how to start this process. They have asked WTC for help, and WTC has turned to you.
Create a technical, detailed-oriented report for TAS that explains the process of the project. The format of your technical paper should be based on the following:
Preview:
The project implementation includes the acquisition of the necessary hardware and software, installation of wireless access points, installation and configuration of wireless controllers, software installation, router installation, installation of the security layer, integration of hardware and software, testing of connectivity, rollout of WLAN across stores, integration Test, and dry run or pilot testing of the entire WLAN installation…
NETW 563 Discussions Week 1-7 DeVry
NETW 563 Standards and Antennas and RF Discussions Week 1 DeVry
NETW 563 Standards Discussions 1 Week 1
Wireless technology has relied on standards since its outset. How has this assisted in the widespread acceptance of standards, and how do standards make it easier for us to purchase and use a wide variety of products? Standards are very important in everything. Why do we need standards in Wireless Technology? Why is it important? What would happen if we did not have standards?…
NETW 563 Antennas and RF Discussions 2 Week 1
All forms of electromagnetic energy, from gamma rays to radio waves, travel through space in waves. How are radio waves generated, and how do they propagate? Discuss the physical differences between radio waves and light or heat waves. What is polarization? What is the concept of wave propagation?…
NETW 563 Wireless Modulation and Access Control Discussions Week 2 DeVry
NETW 563 Wireless Modulation Discussions 1 Week 2
What are the four primary wireless modulation schemes? Which ones are used for WLANs, and what are their relative advantages and disadvantages? What is Modulation? How does it work? why do we use modulation?…
NETW 563 Access Control Discussions 2 Week 2
The MAC layer has the primary responsibility of controlling access to the wireless medium. What are the two procedures for transmitting on a WLAN specified by the IEEE 802.11 standard?…
NETW 563 Designing the WLAN and Site Survey Analyzers Discussions Week 3 DeVry
NETW 563 Designing the WLAN Discussions 1 Week 3
Explain the steps in designing a WLAN. How do you determine the network type, access point management strategy, and location of the APs? How do you go about it?…
NETW 563 Site Survey Analyzers Discussions 2 Week 3
What is the purpose of the analyzers? How can the information be used for configuration or troubleshooting purposes? What are site surveys? Are they mandatory and you go go without them? How is the information obtained from them can be used for configuring or troubleshooting?…
NETW 563 Security Organizations and Securing the WLAN Discussions Week 4 DeVry
NETW 563 Security Organizations Discussions 1 Week 4
Discuss some of the organizations dedicated to information security. Explain these organizations’ missions and goals. Is there an organization dedicated to wireless security? If so, please describe the organization and its goals….
NETW 563 Securing the WLAN Discussions 2 Week 4
How have the IEEE 802.11 security mechanisms for wireless networks fallen far short of their goal? What are the vulnerabilities? How did WPA fix the problem in WEP?…
NETW 563 SNMP and Troubleshooting Discussions Week 5 DeVry
NETW 563 SNMP Discussions 1 Week 5
SNMP is a protocol that allows computers and network equipment to gather data about network performance. It is part of the TCP/IP protocol suite. Discuss the role of a software agent in SNMP, and explain the purpose of the MIB. Explain how the SNMP management station gathers data, and describe the types of data that it collects and stores. Discuss how this information can be used for monitoring….
NETW 563 Troubleshooting Discussions 2 Week 5
Define the term troubleshooting. What does it mean to you? Discuss why troubleshooting wireless networks can be more challenging than troubleshooting wired networks. Please back up your posts with supporting evidence. when you are in the networking domain, you will hear the term “troubleshooting” a lot. What does it mean in particular? Which is more challenging to troubleshoot, wireless or wired networks and why?…
NETW 563 Getting to 4G and The Future of Satellite Radio Discussions Week 6 DeVry
NETW 563 Getting to 4G Discussions 1 Week 6
Is the United States on track for 4G deployment? What barriers do you foresee preventing widespread acceptance and deployment? What is the evolution of cellular technology? What are the current 3G technologies?…
NETW 563 The Future of Satellite Radio Discussions 2 Week 6
In 2008, XM and Sirius Radio were allowed to merge. Why did the FCC allow this merger? What is the future of this technology? Why did the FCC reverse course and allow this merger? Is satellite radio still a valid business model? Do you use it?…
NETW 563 Traffic Shaping and Wireless Network Planning Discussions Week 7 DeVry
NETW 563 Traffic Shaping Discussions 1 Week 7
What is traffic shaping? Why is traffic shaping a controversial topic? Has traffic shaping been applied to wireless networks? What is the reasoning behind traffic shaping in the wireless world?…
NETW 563 Wireless Network Planning Discussions 2 Week 7
In a cellular or PCS network, what are some of the areas where traffic engineering comes into play? For example, one could use traffic engineering to determine the number of trunks needed to backhaul wireless traffic from the MSC to the PSTN. What are some other points in the network that should be sized? What is Traffic Engineering? Where is it mainly done at a cellular network? How does traffic engineering help our network?…
NETW 563 FINAL EXAM Wireless Networks DeVry
(TCO A) An access point has a(n) _____ interface that allows it to connect to a wired network. (Points : 5)
RJ-45
SDDIO
CF
RJ-111
(TCO A) How often an event occurs can create different ______. (Points : 5)
modulations
frequencies
cycles
gigapops (GPS)
(TCO B) What is not an advantage of LEO satellites over GEO satellites? (Points : 5)
Require fewer hand-off
Reduced propagation delay
Coverage can be better localized
Better conservation of spectrum
(TCO C) _____ is a group of wireless devices that is served by a single access point (AP). (Points : 5)
Basic Service Set
Ad hoc mode
Extended Service Set
Independent Service Set
(TCO D) Each of the following are locations in which businesses install wireless networks for increased employee productivity except (Points : 5)
lobbies.
lunchrooms.
common areas.
Remote parking lots.
(TCO E) Guarding the availability of information is achieved by (Points : 5)
access control.
closed system authentication.
wireless protection environment (WPE).
frame count check (FCC).
(TCO F) What is the equivalent of one Erlang? (Points : 5)
60 call seconds
36 centum call seconds
3600 centum call seconds
1 minute
(TCO G) _____ provides users the freedom to roam beyond their home subnets while still maintaining their home IP addresses. (Points : 5)
Mobile IP
TCP/IP
IPX/SPX
Routing Initiation Protocol (RIP)
(TCO A) What is polarization, and why is it important to WLANs? (Points : 30)
Polarization is an expression of the manner by which the lines of electric flux are oriented in…
(TCO B) In cellular systems, what are the two types of channels used between the mobile unit and the base station? What are their functions? (Points : 30)
The two types of channels are the control and traffic channels. Control channels are used for exchanging…
(TCO C) Explain how power management functions on an infrastructure network. (Points : 30)
The access point controls power management in an infrastructure network. In this regard,…
(TCO D) When would you recommend using a thin access point over a fat access point? (Points : 30)
I would recommend using a thin access point when cost is an issue because…
(TCO E) What is a man-in-the-middle attack, and how can one be launched against a wireless network? (Points : 30)
A man-in-the-middle attack is defined as follows:
“[An activity] in which a malicious user inserts himself between two…
(TCO E) What is a dictionary attack? (Points : 30)
A dictionary attack is “a technique or method used to breach the computer security of a password-protected…
(TCO F) Blocked calls can be handled in two ways. Describe the two methods of handling blocked calls. (Points : 30)
Two ways of blocking phone calls are the following:
To get the carriers help by availing of features that would enable the blocking…
(TCO G) Explain how Simple Network Management Protocol collects data and the type of data that is gathered. (Points : 30)
The simple network management protocol is the central network system that monitors…
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NETW 563 Entire Course DeVry
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