NETW589 Final Exam New

BUY NETW589 Final Exam New

Final Exam Page 1

1. (TCO A) What is a Barker code? (Points : 25)

2. (TCO A) One common method used in spread spectrum transmissions is frequency hopping. Describe how FHSS works and how it mitigates interference. (Points : 25)

3. (TCO B) Describe how Code Division Multiple Access (CDMA) works. (Points : 25)

4. (TCO B) Explain the differences between the following three types of data flow: simplex, half-duplex, and full-duplex transmission. (Points : 25)

5. (TCO C) Which security standard is compatible with the 802.11i standard and which ones are not? (Points : 10)

6. (TCO C) What are the three generations of wireless security? (Points : 10)

7. (TCO C) What are the primary components of a WLAN? (Points : 10)

8. (TCO C) Describe two attacks commonly used to compromise WLANs. (Points : 10)

9. (TCO C) What frequency band does 802.11a use? (Points : 10)

1. (TCO D) Is WiMax a standard or proprietary? If a standard, which one? (Points : 15)

2. (TCO D) LMDS operates over what frequencies? (Points : 15)

3. (TCO E) What is the main problem with using GEO satellites for data links? (Points : 15)

4. (TCO E) Digital cellular telephones can be used for what common applications? List and explain five of these. (Points : 25)

5. (TCO F) One class of active tags is called "beacons." What does a beacon do? (Points : 15)

6. (TCO F) What are the constraints on the "read distance" of a tag? (Points : 25)

7. (TCO G) AMPS operates in what frequency range? (Points : 15)

8. (TCO G) Discuss three strategic business advantages to wireless systems. (Points : 25)