Data Communication and Networking – Wireless WANs – Cellular Telephone and Satellite Networks MCQs

In this section of Data Communication and Networking – Wireless WANs – Cellular Telephone and Satellite Networks MCQ (Multiple Choice) Based Questions and Answers,it cover the below lists of topic, All the Multiple Choice Question and Answer (MCQs) have been compiled from the books of Data Communication and Networking by The well known author behrouz forouzan.

This Section covers below lists of topics.

1. Repeater MCQs.
2. Bridge MCQs.
3. Backbone LAN MCQs.
4. Virtual local area network (VLAN) MCQs.

PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE

1. AMPS operates in the ISM _____ band

• 800-MHz
• 900-MHz
• 1800-MHz
• none of the above

A. 800-MHz

2. In AMPS, each band is divided into ______ channels

• 800
• 900
• 1000
• none of the above

D. none of the above

3. AMPS has a frequency reuse factor of _______

• 1
• 3
• 5
• 7

D. 7

4. AMPS uses ______ to divide each 25-MHz band into channels

• FDMA
• TDMA
• CDMA
• none of the above

A. FDMA

5. D-AMPS uses ______ to divide each 25-MHz band into channels

• FDMA
• TDMA
• CDMA
• both (a) and (b)

D. both (a) and (b)

6. GSM allows a reuse factor of _______

• 1
• 3
• 5
• 7

B. 3

7. GSM is a digital cellular phone system using ________

• FDMA
• TDMA
• CDMA
• both (a) and (b)

D. both (a) and (b)

8. IS-95 is based on ____________

• FDMA
• CDMA
• DSSS
• all of the above

D. all of the above

9. IS-95 uses the ISM _______band

• 800-MHz
• 900-MHz
• 1900-MHz
• either (a) or (c)

D. either (a) or (c)

10. IS-95 uses the _______ satellite system for synchronization

• GPS
• Teledesic
• Iridium
• none of the above

A. GPS

11. In an IS-95 system, the frequency-reuse factor is normally _____

• 1
• 3
• 5
• 7

A. 1

12. In the third generation of cellular phones, _______ uses W-CDMA.

• IMT-DS
• IMT-MC
• IMT-TC
• IMT-SC

A. IMT-DS

13. In the third generation of cellular phones, ________ uses CDMA2000

• IMT-DS
• IMT-MC
• IMT-TC
• IMT-SC

B. IMT-MC

14. In the third generation of cellular phones, ______ uses a combination of W-CDMA and TDMA.

• IMT-DS
• IMT-MC
• IMT-TC
• IMT-SC

C. IMT-TC

15. In the third generation of cellular phones, _______ uses TDMA.

• IMT-DS
• IMT-MC
• IMT-TC
• IMT-SC

D. IMT-SC

16. The period of a satellite, the time required for a satellite to make a complete trip around the Earth, is determined by _________ law

• Kepler's
• Newton's
• Ohm's
• none of the above

A. Kepler's

17. The signal from a satellite is normally aimed at a specific area called the _________

• path
• effect
• footprint
• none of the above

C. footprint

18. There is (are) _____ orbit(s) for a GEO satellite

• one
• two
• many
• none of the above

A. one

19. MEO satellites are located at altitudes between km.

• 3000 and 5000
• 5000 and 10,000
• 5000 and 15,000
• none of the above

C. 5000 and 15,000

20. LEO satellites are normally below an altitude of ________ km.

• 1000
• 2000
• 3000
• none of the above

B. 2000

21. ______ is based on a principle called trilateration

• GPS
• Teledesic
• Iridium
• none of the above

A. GPS

22. Low-Earth-orbit (LEO) satellites have _____ orbits.

• equatorial
• polar
• inclined
• none of the above

B. polar

23. A GEO is at the ________ orbit and revolves in phase with Earth.

• equatorial
• polar
• inclined
• none of the above

A. equatorial

24. GPS satellites are ________ satellites

• GEO
• MEO
• LEO
• none of the above

B. MEO

25. _______ satellites provide time and location information for vehicles and ships.

• GPS
• Iridium
• Teledesic
• none of the above

A. GPS

26. Iridium satellites are ________satellites

• GEO
• MEO
• LEO
• none of the above

C. LEO

27. ________ satellites can provide direct universal voice and data communications for handheld terminals

• GPS
• Iridium
• Teledesic
• none of the above

B. Iridium

28. Teledesic satellites are _________satellites

• GEO
• MEO
• LEO
• none of the above

C. LEO

29. _____ satellites will provide universal broadband Internet access.

• GPS
• Iridium
• Teledesic
• none of the above

C. Teledesic

30. _______ is a first-generation cellular phone system

• AMPS
• D-AMPS
• GSM
• none of the above

A. AMPS

31. __________ is a second-generation cellular phone system.

• AMPS
• D-AMPS
• GSM
• none of the above

B. D-AMPS

32. ____________ is a digital version of AMPS

• GSM
• D-AMPS
• IS-95
• none of the above

B. D-AMPS

33. __________ is a second-generation cellular phone system used in Europe.

• GSM
• D-AMPS
• IS-95
• none of the above

A. GSM

34. ________ is a second-generation cellular phone system based on CDMA and DSSS.

• GSM
• D-AMPS
• IS-95
• none of the above

C. IS-95

35. The __________ cellular phone system will provide universal personal communication

• first-generation
• second-generation
• third-generation
• none of the above

C. third-generation

36. In a ______ handoff, a mobile station only communicates with one base station

• hard
• soft
• medium
• none of the above

A. hard

37. In a ______ handoff, a mobile station can communicate with two base stations at the same time

• hard
• soft
• medium
• none of the above

B. soft

38. ______ is an analog cellular phone system using FDMA.

• AMPS
• D-AMPS
• GSM
• none of the above

A. AMPS