nt-mcq

Chapter 1:

1. The AMPS system began operation in the ------------band . a) 500 MHz b) 30 KHz c)800 MHz d)45 MHz

2. In AMPS --------- number of channels are used by the MS and BS to set up and clear calls. a)333 b)21 c)26 d)none

3. In idle mode the AMPS mobile phone performs ---------- number of tasks. a) 5 b) 3 c) 4 d) 2 4. A --------- operation happens when the mobile moves from one cell to another. a) call setup b) handoff c) handover d) all 5. The AMPS standards are specified by ------------- organization. a)FCC b) ETSI c) TIA d) IEEE

6. ------------- was designed to provide mobile packet data services as an overlay system for the AMPS. a) HSCSD b) CDMA c)GPRS d)CDPD 7. An all IP architecture and connectivity for anyone , anywhere is provided by ----------- . a)2.5 G b)3G c)4G d)ALL

8. Macro cells can provide cell radius upto ----------. a) 50 miles b) 35 miles c) 35 km d) 50m

9. What two AMPS system components provide the air interface ? a) BS and MS b) BS and MSC c) Both a & b

d) NONE of above

10. AMPS transmits and receives the SAT Tones on: a) FOCC b).FVC c) RVC d)Both B&C e)RECC 11. Which of the following are AMPS ongoing Idle Mode Task ? a.)Page match b)order c) Respond to overhead information d) call initialization. e) all of the above 12. Analog modulation techniques were used in: a) 2G b) 3G c)1G d) 2.5G e)None of the Above

13. The 2.5 G cellular system provides services like: a) CDPD b) HSCSD c) GPRS d) Both a & b e) all above

14. Which of the Foll. Nos are assigned to cellular System ? a) Electronic serial no(ESN) b) Mobile Identification no.(MIN) c) System Identification no.(SID) d) All Above 15. The AMPS system began/or Used the Band With- a)815 MHZ b)800KHZ c) 820MHZ d) 800MHZ

16. THE TOTAL NO . OF CHANNELS IN THE AMPS were- a) 333 b)433 c)416 d)383

17. The system deployed in 3G are: a).CDMA

b) GSM c) TDMA d) UMTS e) None of the above.

18. The System deployed in 2G are: a) UMTS b) CDMA2000 c) CDMA d) None of the above

19. The station class mark information is transmitted from------------- a) BS to MS b) MS to BS c) MSC to MS d) MSC to BS

20. The system must perform handoff operation in a. 20 ms b. 4 ms c. 30 ms d. 6 ms 21. Both IS-95A and IS-95B systems are referred to as ---------- cellular system. a. CDMA b. TDMA c. CDMAone

d. CDMA2000

22. The CDMA system uses ----------- component necessary for both circuit and packet data. a. MSC/VLR b. IWF c. VLR d. HLR

23. The most well known standard organization in US is a. ITU b. ISO c. IEC d. ANSI 24. Which cell can perform operation in Suburban areas? a. global b. macro c. micro d. pico

25. In AMPS the channel spacing was a. 45 MHz b. 45 KHz

c. 30 KHz d. 30 MHz

Chapter 2:

1. Cell sectoring uses------------ directional antennas with 120 degree beamwidths. a) one b) two c) three d) multi

2. In cellular system if the traffic is more in one cell then to provide continuous service ----------- are used. a) Antennas b) COWs c) smart antenna d) all of above

3. Smart antenna is an ------------------ technique. a) mobility management b) capacity expansion c) both d) RR management

4. --------------- is the process of keeping track of the present or last known location of the MS. a. location updating b. location management c. mobility management d. all .

5. The location updating is performed by--------------. a) BS b) MSC c) MS d) ALL

6. A common technique to save the MS battery power is to put the MS into------- mode. a. standby b. busy c. idle d. sleep

7. The cells defined in Personal Area Network(PAN) are called ---------. a) pico cell b) micro cell c) femto cell d) mega cell

8. -------------- technique is used for capacity expansion.

a)clustering b) cell splitting c) cell merging d) none

9. the frequency reuse distance can be calculated by:a. D=N(3R)1/2b. D=R(3N)1/2c. D=(3N)Rd: none

10. The clusters size typically used for the first generation AMPS system is-a. 4b. 7c. 3d. 5

11. For cluster size of 7 and cell radius of 5KM the frequency reuse distance is-a. 17.32kmb. 22.913kmc.15 km d 12km

12. the S/I ration of the AMPS for a Cluster size of 7 is-a. 11.3dBb.13.8dBc.18.7dBd.23.3dB

13. Which of the Following are capacity expansion techniques ?a. cell sectoringb. cell splittingc. Overlaid cells d. All of the above

14. Cells that are less than 100 m in diameter are known as a. macro cells b. micro cells c. pico cells d. none

15. The no. of cells in a cluster is known as the a. reuse patterns b. group of cells c. cluster average d. frequency reuse factor

16. Which of the foll. Is not an capacity expansion technique? a. Location updating b. Lee’s microcell technology c. smart antenna

d. all the above

17. In cell splitting the original cell is splitted into ------- quarters. a. two b. three c. one d. not splitted

18. Cell sectoring includes three directional antennas with-------- degrees. a. 90 b. 180 c. 120 d. 160 19. Which of the foll. Technology includes zones instead of sectors. a. cell splitting b. smart antenna c. cell sectoring d. lee’s microcell

20. ----------- are used to handle increased traffic in the cells. a. multiple antennas b. COWs c. none

Chapter 3: 1. The GSM standards are specified by --------------- organization. a)FCC b) ETSI c) TIA d) IEEE

2. The physical interface between MS and BTS is called ------------- interface. a) B b) A c) Um d) H

3. The physical interface between BSC and BTS is called ------------- interface. a) B b) Abis c) Um d) H

4. The physical interface between MSC and BSC is called ------------- interface. a) B b) A c) Um d) H

5. In GSM the short message is delivered by ------------- channel. a) CBCH b) SDCCH c) FCCH d) RACH

6. Cellular subscriber data is registered in ---------------. a)VLR b) HLR c) EIR d) MSC

7. The ------------- is used by the GSM system during call setup operation. a) TMSI b) IMSI c) MSRN d) IMEI

8. The ---------------- number is used by GSM n/w to protect the subscribers privacy. a) TMSI b) IMSI c) MSRN d) IMEI

9. The ------------ burst is used by the MS to perform the handover operation. a) dummy b) access c) normal d) synchronization

10. In GSM, Traffic and control information is provided by the ---------- BITS. a) TB b) GB c) FLAG d) ALL

11. The LAI is provided by --------- channels. a) FCCH b) SDCCH c) BCCH d) SCH

12. the LAPD protocol is used to communicate between a. MS & BTS b. BSC & MSC c. BTS & BSC d.NONE

13. Among the following the temporary database registry is- a.FNR

b.HLR c.VLR d.EIR

14. To provide number portability to a Subscriber the GSM system uses a. AUC b. VLR c. FNR d. HLR

15. What is the standard bandwidth of the GSM channel ? a. 890-915 MHZ & 935-960 MHZ b.880-890 MHZ & 925-935 MHZ c.876-890 MHZ & 921-935 MHZ d.None of the Above

16. the air interface is also called as –a)A interfaceb)Abis interfacec)Um interfaced)None of the above

17. The BTS and BSC consist of _ interface:a. Um interfaceb. A interfacec. Abis interfaced. C interface

18. the protocol that has no error detection ability is a.LAPD b.LAPDm c.BTSM d.BSSAP

19. The information regarding LAI is provided by- a.SCH b.BCCH c.FCCH d.PCH

20. Each TDMA frame consist ----------- slots.a. 4b.8c.6d.10

21. A bit time is -------- micro seconds. a.15 b.3 c.3.69 d.2.19

22 1 Hyperframe consist of ------------ TDMA frames. a.760 b.2700 c. 2715648 d.2048

23. Each Superframe consists ------------- TDMA frames. a.1000 b.2943 c.1326 d.567

24. ------------ uniquely identifies a mobile telephone subscription in PSTN n/w. a.MSISDN b.IMEI c.LAI d.MSRN

25. ---------------- receives a signalling message as “initial address message” from PSTN. a.MSC b.BSC c.BS d.GMSC

26. ------------- transmits bursts of zeros to MS. a.BCCH b.CBCH c.FCCH d.SDCCH

27. ------------- is used to assign a signaling channel to MS. a. AGCH b.BCCH c.FACCH d.SACCH

28. The ILR register is used to allow ------------ a.broadcast b.intersystem roaming c.handhoffs d.ALL

29. Which of the following number is stored in subscriber’s SIM?A. IMSIB. MSISDNC. TMSID. IMEI

30. In GSM system which no is used during call setup operation?A.IMSI

B. MSRNC. TMSID. MSISDN

31. Which is an equipment identification number?A.IMSIB. IMEIC. MSRND. None of the above

Chapter 4:

1. The CDMAone stands for --------------- technology. a)2 and 2.5 G b)3 G c) 4 G d) NONE

2. IS-95 CDMA technology uses ---------- bit Walsh code technique to encode the signal. a. 32 b. 24 c. 64 d. 16 3. ------------- Walsh code is used to encode Pilot channel in IS-95 CDMA. 4. The CDMA standards are specified by ------------ org. a) FCC b) ETSI c) TIA d) IEEE

5. CDMA2000 was Developed in- a.1G b.2G c.2.5G d.3G

6. the system that use spread spectrum is – a. GSM b.TDMA c.CDMA d.All of the above

7. CDMA ONE was developed in a. 3G b.2&2.5G

c.4G d.1G

8. The PCS bands are used in a.GSM b. TDMA c. CDMA d.ALL

9. Band class 1 is used in a.GSM b. PDC c.PCS d.ALL

10. CDMA provides ---------- codes in single spectrum. a.18 b.21 c.64 d.128

11. The --------------- system was deployed in two band classes. a. CDMA b. GSM c. TDMA d. IEEE

12. In CDMA the --------------- is gateway between wireless n/w and PDN n/w. a. MSC b. IWF c. PSTN d. BSS

13. ------------ provides the interface between the wireless cellular subscriber and the circuit core n/w. a.PLMN b. PCS c. C-RAN d. NONE

14. Pseudorandom codes are used by the ------------- system a.CDMA b. GSM c. TDMA d. ALL

15. The CDMA ------------ channel is used to provide a reference signal for all the SDs within a cell. a. encode b. dedicated c. pilot

d. none

Chapter 5:

1)----------- is a wireless packet data n/w that was to be overlaided on the AMPS.a. GPRSb. EDGEc. CDPDd. PDC

2)----------- provides bursty packet data over the AMPS.a. GPRSb. EDGEc. CDPDd. PDC

3) The ------------ system acts as the gateway between CDPD and packet data n/w.a. fixed endb. intermediatec. mobile endd. none

4.The key new n/w elements in the GPRS PLMN are the -------------- nodesa.adjacentb. supportc. controld. connecting

5. ------------- controls the GPRS service in a coverage area.a. GSNb.GGSNc.SGSNd. MSC

6.The process used by the GPRS n/w to inform a mobile about incoming data packets is known asa. handingb. pagingc. accessingd. handover

7. Packet data transfers bet. The GGSN and the GPRS mobile take place usinga. contextb. acknowledged datac. tunnelingd. transferring

8.Which of the foll. GPRS logical channel provide point to multi point operationa. PPCHb. PTCCH/Uc. PRACH

d. PNCH

9. Phase shift keying is used in a. CDMAb. TDMAc. EDGEd.CDPD

10. To provide GPRS service to MS the GSM system(n/w) Should attach itself to ____________A. GGSNB. SGSNc. GSND. None

11. Packets data transfers between the GGSN and the GPRS mobile take place using a technique known as____________a. Tunneling b.buffering c. None

12. GGSN creates a “New Packet” by ________A. bindingB. Encapculation C. SplittingD. None of the above

13. Tunelling process is used in _________A. GSMB. CDMAC. GPRS PLMND.ALL OF THE ABOVE

14. Which of the following technology octantal phase shift keying used?A. CDMAB. GSM C. GPRSD. EDGE

15. Which of the GPRS logical channel provides point to multipoint operation____________a. PPCHb. PACCHc. PNCHd. All16. Digital Audio ,Video transmission services are provided by___A. SMSB. MMS C. EMSD. MIM

17. The ability to send & receive sophisticated animation is possible thr_______A. MMSB. SMSC. MIM

D. All of the above

18. Messages are sent in tens to hundreds of Kilobytes range in _______________ serviceA. MIMB. SMSC. MMSD. All of the above

Chapter 6:

1. WLAN n/w is recognized by the ------------ standards. a. 802.15x b. 802.16x c. 802.11x d. 802.5

2. The WLAN initial standard specified an operating frequency of a. 1.2 GHz b. 2.4 GHz c. 2.4 MHz d. 1.6 MHz

3. The topology used in ALOHA-NET is a. star b. ring c. bus d. mesh

4. The first radio technology installed in the university of hawai is a. AMPS b. TDMA c. ALOHA-NET d. FDMA

5. The first commercial successful WLAN product lines were launched by-------- system. a. Agere b. sun-micro c. none 6.------------ is the simplest and fundamental structure of IEEE 802.11x/WLAN. a. ESS b. BSS c. DS d. none

7. Independent BSS provides --------- service. a. point to point b. peer to peer c. point to multi point d. all of above

8. ------------- provides peer to peer n/w service. a. IBSS b. ESS c. DS d. ALL

9. The STA becomes a member of the BSS structure when it is ------------- with the BSS. a. associated b. deassociated c. integrated d. none

10. To provide extended wireless n/w consisting of multiple BSSs, the component -------- is used. a. BSS b. ESS c. AP d. DS

11. ----------- provides data transfer between BSS and DS. a. ESS b. AP c. BS d. NONE

12. The set of multiple BSS connected by DS is called a. IBSS b. ESS c. DSM d. NONE

13. The distribution system provides ------------- service. a. point to point b. peer to peer c. point to multi point d. all of above

14. ------------- provides logical connect pt. between wireless LANs and wired LANs. a. BSS b. AP c. Portal d. ESS

15.The MAC address is of ----------- bits. a. 62 b. 48 c. 64 d. 24

16.802.11 specifies ----------- number of services. a. 3

b.7 c.9 d. 11

17. The MAC sublayer is used to transmit a. packets b.data c.frame d. MSDUs

18. If the station wants to deliver message via AP then it involves ----------- service with the particular AP. a. reassociation b.integration c.deassociation d. association

19. 802.11 standard is recognized by a. WPAN b. WMAN c. WLAN d. NONE

20. -------------- primitive is used to request to transfer a MSDU from a local LLC sublayer to a single peer LLC sublayer. a. MA-UNITDATA.indication b. MA-UNITDATA.request c. MA-UNITDATA-STATUS. indication d. none

21. In WLAN , the MAC header is of--------- bytes. a. 32 b.30 c.64 d. 16

22. --------------- is used to identify each BSS in WLAN n/w. a. FCS b. FRAME body c. WEP d. BSSID

23. The maximum length of frame body in WLAN MAC frame is a. 2612 b.2312 c.2316 d. 2102

24. The distributed control function makes use of a. FDMA

b.CSMA/CA c.TDMA d. none

25. Point coordination function is used in a. BSS b. DS c. ESS d. WPAN

26. In WLAN n/w --------- acts as the polling master. a. PCF b. DCF c. BOTH d.NONE

27. The PCF distributes a timing information with ------------ frame. a. MAC b. BEACON c. FDMA d. none

28. The beacon frame consists of a. BSSID b.SSID c.both d. none

29. Beacon frames are transmitted by a.STA b.AP c.BSS d. ESS

30. For an ESS n/w ---------- provides master clock. a.AP b.BSS c.STA d. ALL

Chapter 7:

1. WPAN n/w are recognized by ------------ standards.a.802.15xb.802.11c.802.16d.602.3

2. The Bluetooth specifications are provided bya. 802.15xb.802.11c.802.16d.602.3

3. The WPAN n/w have transmitting power ofa.100 mWb. 1 mWc. 250 mWd. 1.6 mW

4. The master-slave configuratuion is provided bya.802.11xb.802.15xc.802.16xd.802.2

5. ------------- provides master slave configuration.a. WPANb. WLANc. WMANd. 802.20

6. -------------- n/w have finite lifespan.a.WLANb.WMANc.WPANd.wired LAN

7. Bluetooth uses ----------- unlicenced ISM bands.a.2.4 GHzb.2.2 GHzc.2.0 MHzd.2.4 GHz

8. In piconet, the slaves communicate with master in ----------- fashion.a.point to pointb.point to multipointc.both a & bd. none

9. In piconet, the master communicate with slaves in------------ fashion.a.point to pointb.point to multipointc.both a & bd. none

10. The scatternet is collection of functioning -------------.a. scatternetb.piconet

c.slavesd.master

11.A device may work as master and slave ina.piconetb.WLANc.scatternetd.none

12. Which standard specifies Bluetooth?a.802.15.1b.802.11c.802.16d.802.20

13. In Bluetooth each timeslot transmits for ---------- microsec.a.625b.620c.525d.615

14. The point to point link between piconet master and a single slave isa. ACL linkb.SCO linkc. Both a& bd.none

15.The point to multipoint link between piconet master all the slaves associated with piconet isa.ACL linkb. SCO linkc. LLCd. none16. Which code is used to identify the piconet?a. DACb. CACc. GIACd. IAC

17. Signalling and acknowledgement information is provided bya.DACb.CACc.IACd.ALL THE ABOVE

18. Bluetooth packet header consists of --------- subfields.a.8b.7c.4d.6

19. Success or failure information in Bluetooth is given by ---------- packet.

a.POLLb.NULLc.FHSd.DMI

20. POLL packet is used by a.Masterb. slavec. both a & bd.none

21. -------------- packet is transmitted at regular intervals.a.HV1b.HV2c.HV3d.DV

22. Access code is of ----------------- bits.a.70b.68-72c.72-76d. 64

23. Bluetooth header is of ---------- bits.a.52b.56c.54d.64

Chapter 8:

1. WMAN is recognized by------------ standard.a. 802.16b. 802.11c. 802.15d. 802.20

2. 802.16 standard specifies a. WLANb. WMANc. WPANd. NONE

3. ------------ provides n/w access to buildings.a. WMANb. WLANc. WPANd. ALL

4. ----------- n/w spans thousands of meters in an outdoor environment.a. WPAN

b. WLANc. WMANd. all

5. IEEE 802.16 MAC layer ATM cells consists header of--------- bytes.a. 2b. 5c. 7d. 9

6. DL-MAP and UL-MAP messages are generated bya. BSb. CSc. SS d.NONE

7. Fragmentation is included int the MAC header ofa.WLANb. WMANc. WPANd. none

8. 802.16 standard provides servicea. Wi-Fib. broadbandc.Wi-Maxd. none

9. ---------------- standard support for operation in licence exempt bands and an optional mesh topology.a. IEEE 802.16a-2003b. “ 802.15c. “ 802.20 d. “ 802.3

Chapter 9:

1. In US ,---------- n/w provides low-cost satellite service.a. WLANb. DIRECT TVc. DISHd. Both b & c

2. Location based services like general Motors’ on Star safety system make use ofa. GPSb. LEOc. MEOd. GEO 3. Line of sight is based on------------ equation.

a.Friisb.frequency reusec. bothd. none

4. Transio nosphoric propagation is known asa. Doppler effectb. attenuationc. Faraday effectd. none

5.Signal frequency shift for satellite systems is due toa. Faraday effectb. Doppler effectc. none

6. Direct Broadband satellites are equipped with ----------- amplifier.a. traveling wave tubeb. simplec. none

7. The Direct Broadcast satellite provide downlink transmission in----------- frequency range.a.1.6 to 1.8 Ghzb. 12.2 to 12.7 GHzc. 11.2 to 11.7 GHZd. NONE

8. Which of the foll. Satellites have larger footprints.a.LEOb.MEOc. GEOd. HEO

9. GEO satellites have an inclination of ------------ degrees.a.2b. 1c. 0d. 360

10. At Latitudes greater than -------------- degree GEO satellite appears.a. 90b. 81c. 106d. 109

11. Values of round trip time(RTT) for GEO satellite isa. 10 to 20 msb. 500 to 560 msc. 110 to 130 msd. more

12. Values of round trip time(RTT) for MEO satellite isa. 10 to 20 msb. 500 to 560 msc. 110 to 130 msd. more

13. Values of round trip time(RTT) for LEO satellite isa. 10 to 20 msb. 500 to 560 msc. 110 to 130 msd. more

14. GEO satellites are located at altitudes of------------- km.a.35,768b. 25000c. 500 TO 1500 d. 2000

15. The ------------ satellite system is lacated between first and second Van Allen radiation belts.a.MEOb. GEOc. LEOd. HEO

16. KU-bands provide ----------- connectivity.a. downlinkb. uplinkc. bidirectionald. none

CHAPTER 10

1. Which of the following are interface technologies? a. Cognitive radio technology b. MIMO technology c. Ultra wide band pulse transmission d. All above e. None

2. The mobile broadband wireless technology is defined by standard --------------. a. 802.11 b. 802.20 c. 802.16 d. 802.15

3. Both IEEE 802.15 and 802.16 standards have included --------------- technology. a. Mesh b. Multihop

c. Both a and b d. None

4. An example of push-to-talk (PTT) technology is ----------------. a. Walkie-talkie b. Transmitter c. MS

CHAPTER-1

1. c 2. b 3. c 4.b 5. a 6. d 7. c 8. c 9. a 10. d 11. e 12. c 13. e 14. d 15. d 16. c 17. d 18. c 19. b 20. a 21. c 22. c 23. d 24. b 25. c

CHAPTER-2 1. c 2. b 3. b 4. b 5. c 6. d 7. c 8. b 9. b 10. b 11. b 12. c 13. d 14. c 15. a 16. a 17. c 18. c 19. d 20. b

CHAPTER-3

1. a 2. c 3. b 4. b 5. a 6. b 7. c 8. a 9. b 10. c 11. c 12. c 13. c 14. c 15. a 16. c 17. c 18. b 19. b 20.b 21. c 22. c 23. c 24. a 25. d 26. c 27. a 28. b 29. a 30.b 31.b

CHAPTER-4

1.a 2. c 3. Wo64 4. c 5. d 6. c 7. b 8. d 9. c 10. c 11. a 12. b 13. a 14. a 15. c

CHAPTER-5 1.c 2. c 3. b 4. b 5. c 6. b 7. c 8. d 9. c 10. b 11. a 12. b 13. c 14. d 15. c 16. b 17. a 18. c

CHAPTER-6

1. c 2. b 3. a 4. c 5. a 6. b 7. b 8. a 9. a 10. d 11. b 12. b 13. a 14. c 15. b 16.c 17. d 18. d 19. c 20. b 21. b 22. d 23. b 24. b 25. c 26. a 27. b 28. b 29. b 30. a

CHAPTER-7

1. a 2. a 3. b 4. b 5. a 6. c 7. d 8. a 9. c 10. b 11. c 12. a 13. a 14. b 15. a 16. b 17. a 18. d 19. b 20. a 21. d 22. b 23. c

CHAPTER-8

1. a 2. b 3. a 4. c 5. b 6. a 7. b 8. c 9. a

CHAPTER-9

1. d 2. a 3. a 4. c 5. b 6. a 7. b 8. c 9. c 10. b 11. b 12. c 13. a 14. a 15. a 16. a

CHAPTER-10

1. d 2. b 3. c 4. a