GSM Multiple choice Questions & Answers

1 _______ is a first-generation cellular phone system.

2 __________ is a second-generation cellular phone system.

3 ____________ is a digital version of AMPS.

4 ___________ is a second-generation cellular phone system used in Europe.

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

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

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

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

9 _______ is an analog cellular phone system using FDMA.

10 AMPS operates in the ISM _____ band.

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

12 AMPS has a frequency reuse factor of _______.

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

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

15 GSM allows a reuse factor of _______.

16 GSM is a digital cellular phone system using ________.

17 IS-95 is based on ____________.

18 IS-95 uses the ISM _______band.

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

A) GPS

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

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

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

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

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

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

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

A) path

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

28 MEO satellites are located at altitudes between km.

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

30 ______ is based on a principle called trilateration.

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

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

33 GPS satellites are ________ satellites.

34 ________ satellites provide time and location information for vehicles and ships.

35 Iridium satellites are ________satellites.

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

37 Teledesic satellites are _________satellites.

38 ________ satellites will provide universal broadband Internet access.

39.  Which channel is used to transmit random access signals?

40.  Which one of the following is the combination of main BCCH?

41.  The Value Range of Timing Advance (TA) in GSM is?

42.  How many MS can be paged with 1 paging massage with IMSI?

43.  Directed Retry handover means?

44.  How many neighbors are measured by MS at a time?

45.  Time Duration of Super Frame?

46.  Maximum number of characters allowed in one SMS?

47.  If you have 5 MHz frequency band what will be the maximum number of channels as per GSM system?

48. Which kind of Handovers more desired in the Network?

49.  SDCCH holding time for Normal location update is

50.  SDCCH holding time for call setup (MOC) is