NETW 589 Complete Course Week 1-7 & Final Exam
Wireless Communication Systems
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NETW 589 Week 1 DQ 1
How Do You Use Wireless
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.
NETW 589 Week 1 DQ 2
The Replacement for DSSS, OFDM
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?
NETW 589 Week 1 Quiz
1. (TCO A) What disadvantages do wireless networks have?
2. (TCO A) An electromagnetic signal contains what fields? What is their relationship?
3. (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?
4. (TCO A) How is information conveyed using AM (amplitude modulation)?
5. (TCO A) In phase modulation, what happens to the amplitude, the frequency, and the starting point of the cycle of a signal?
1. (TCO A) What disadvantages do wireless networks have?
2. (TCO A) An electromagnetic signal contains what fields? What is their relationship?
3. (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?
4. (TCO A) How is information conveyed using AM (amplitude modulation)?
5. (TCO A) In phase modulation, what happens to the amplitude, the frequency, and the starting point of the cycle of a signal?
NETW 589 Week 2 DQ 1
Impediments to Transmission
Look around you. How many impediments to successful wireless transmission do you see? How can these be overcome?
NETW 589 Week 2 DQ 2
Antennas
Look at the wireless devices you use. Where is the antenna? What type of antenna is it?
NETW 589 Week 2 Quiz
1. (TCO B) Why do we need standards in telecommunications? What are the advantages and disadvantages?
2. (TCO B) What is the difference between de facto and de jure?
3. (TCO B) For United States standards, what are the top three organizations?
4. (TCO B) What is a link budget?
1. (TCO B) Why do we need standards in telecommunications? What are the advantages and disadvantages?
2. (TCO B) What is the difference between de facto and de jure?
3. (TCO B) For United States standards, what are the top three organizations?
4. (TCO B) What is a link budget?
NETW 589 Week 3 DQ 1 Use of Bluetooth
Use of Bluetooth (graded)
Where is Bluetooth commonly used?
NETW 589 Week 3 DQ 2
How Secure Is a WLAN?
What are the main securities threats facing wireless local area networks?
NETW 589 Week 3 Quiz
1. (TCO C) Which security standard is compatible with the 802.11i standard, and which ones are not?
2. (TCO C) What is WEP? Describe the five major characteristics of WEP.
3. (TCO C) What does MIMO do?
4. (TCO C) What are the two main WLAN modes, and how do they differ?
5. (TCO C) What is the SSID?
1. (TCO C) Which security standard is compatible with the 802.11i standard, and which ones are not?
2. (TCO C) What is WEP? Describe the five major characteristics of WEP.
3. (TCO C) What does MIMO do?
4. (TCO C) What are the two main WLAN modes, and how do they differ?
5. (TCO C) What is the SSID?
NETW 589 Week 4 DQ 1
The Last Mile
What is the Last Mile? What are the problems associated with the last mile for carriers?
NETW 589 Week 4 DQ 2 FSO
What is FSO? Where is it used? What are the advantages and disadvantages?
NETW 589 Week 4 Quiz
1. (TCO D) What is a WMAN, and what are the primary goals?
2. (TCO D) What are the disadvantages of FSO?
3. (TCO D) What is the difference between baseband and broadband?
4. (TCO D) LMDS operates over what frequencies?
5. (TCO D) What is a triple play?
1. (TCO D) What is a WMAN, and what are the primary goals?
2. (TCO D) What are the disadvantages of FSO?
3. (TCO D) What is the difference between baseband and broadband?
4. (TCO D) LMDS operates over what frequencies?
5. (TCO D) What is a triple play?
NETW 589 Week 5 DQ 1
Cellular Data Networks for a WAN
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 Week 5 DQ 2
The use of Satellite Networks
Where are satellite links used as part of a WAN? How can the technical limitations be ameliorated?
NETW 589 Week 5 Quiz
1. (TCO E) Digital cellular telephones can be used for what common applications? List and explain five of them.
2. (TCO E) Define i-Mode
3. (TCO E) Describe the location and the use of a GEO satellite
1. (TCO E) Digital cellular telephones can be used for what common applications? List and explain five of them.
2. (TCO E) Define i-Mode
3. (TCO E) Describe the location and the use of a GEO satellite
NETW 589 Week 5 Case Study (PowerPoint Presentation + Speaker Notes)
NETW 589 Week 6 DQ 1
Privacy, Security, and RFID
RFID has some controversial applications. Is RFID a risk to our privacy, or is it a necessity for security?
NETW 589 Week 6 DQ 2
Project Discussion
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 Week 6 Quiz
1. (TCO F) What is a reader or an interrogator?
2. (TCO F) What security issues are associated with RFID tags? How can these concerns be mitigated?
3. (TCO F) One class of active tags is called beacons. What does a beacon do?
1. (TCO F) What is a reader or an interrogator?
2. (TCO F) What security issues are associated with RFID tags? How can these concerns be mitigated?
3. (TCO F) One class of active tags is called beacons. What does a beacon do?
NETW 589 Week 7 DQ 1
Deploying Wireless Applications
How do you evaluate wireless solutions for business?
NETW 589 Week 7 DQ 2
Selling a Wireless Solution
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 Week 7 Quiz
1. (TCO G) AMPS operates in what frequency range?
2. (TCO G) Describe four key elements contained in a request for proposal (RFP).
3. (TCO G) Discuss three strategic business advantages to wireless systems.
1. (TCO G) AMPS operates in what frequency range?
2. (TCO G) Describe four key elements contained in a request for proposal (RFP).
3. (TCO G) Discuss three strategic business advantages to wireless systems.
- (TCO A)How do analog and digital signals differ? Describe the pattern.
2. (TCO A)How is information conveyed using FM (frequency modulation)?
3. (TCO B) Define circuit switching and packet switching. Explain why one is more appropriate for data.
4. (TCO B) What organizations have responsibility for standards covering more than one nation?
5. (TCO C) What is the difference between a BSS and an ESS?
6. (TCO C) How many types of frames are used on a wireless network and what are they?
7. (TCO C) Which security standard is compatible with the 802.11i standard and which ones are not?
8. (TCO C) Why does implementing RTS/CTS help speed data transmission?
9. (TCO C) What are the primary components of a WLAN?
10. (TCO D) What is the difference between baseband and broadband?
11. (TCO D) What is meant by the last mile? Why is the last mile problematic in terms of data transmission?
12. (TCO E) What is the main problem with using GEO satellites for data links?
13. (TCO E) Explain the differences between 1G, 2G, and 3G networks.
14. (TCO F) What is the purpose of a blocker tag?
15. (TCO F) How does RFID work?
16. (TCO G) AMPS operates in what frequency range?
17. (TCO G) Describe an efficient way to accomplish a widespread rollout of a new wireless system.
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