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Dr.G.R.Damodaran College of Science
                 (Autonomous, affiliated to the Bharathiar University, recognized by the UGC)Re-accredited at
                              the 'A' Grade Level by the NAAC and ISO 9001:2008 Certified
                                     CRISL rated 'A' (TN) for MBA and MIB Programmes

                                           III BCA [2017 - 2020] Batch
                                                    Semester VI
                                    Elective II: Mobile Communication - 606U3
                                            Multiple Choice Questions.

1. ___________refers to a user who has access to the same or similar telecommunication services at different places.
   A. User mobility.
   B. Device portability.
   C. User portability.
   D. Device mobility.
 ANSWER: A

2. _____mode is used for installing network.
   A. Fixed & wired.
   B. Mobile & wired.
   C. Fixed & wireless.
   D. Mobile & wireless.
 ANSWER: C

3. __________ is a trunked radio system.
   A. TETRA.
   B. GSM.
   C. UMTS.
   D. WLAN.
 ANSWER: A

4. Wireless networks can also be used to replace __________.
   A. device networks.
   B. wireless mobile.
   C. wired network.
   D. gaming network.
 ANSWER: C

5. Avery simple wireless device is represented by a_________ transmitting state information.
   A. sensor
   B. pager
   C. Embedded controllers
   D. mobile phones.
 ANSWER: A

6. Expansion for PDA is ___________.
   A. personal digital access.
   B. personal data access.
   C. personal digital assistant.
   D. personal data assistant.
 ANSWER: C

7. Who invented the optical telegraph?
   A. Claude Chappe.
   B. Alexander Graham Bell.
   C. Philip Reis.

D. Michael Faraday.
 ANSWER: A

8. In which year, the telephone principle was introduced?
   A. 1881.
   B. 1891.
   C. 1971.
   D. 1861.
 ANSWER: D

9. A public telephone service was available in ________.
   A. Ching.
   B. Washington.
   C. Berlin.
   D. Leipzing.
 ANSWER: C

10. ________ was the first to demonstrate the wave character of electrical transmission through space.
  A. Heinrich hertz.
  B. Joseph henry.
  C. Guglielmo Marconi.
  D. Robert von lieben.
 ANSWER: A

11. Expansion of NMT system is _____________.
  A. Nordic mobile telegraph.
  B. Nordia modem telephone.
  C. Nordic mobile telephone.
  D. Nordic mobile telegraph.
 ANSWER: C

12. Cordless telephone was introduced in the year__________.
  A. 1988.
  B. 1983.
  C. 1984.
  D. 1994.
 ANSWER: C

13. ___________ adopted the standard DECT for digital cordless telephony.
  A. ETSI.
  B. ETSS.
  C. ETS1.
  D. ETS2.
 ANSWER: A

14. The two digital systems are __________ and ________. .
  A. DCS 1800& PCS 1900.
  B. TDMA & CDMA.
  C. UMTS & IMT -2000
  D. GSM & GPRS.
 ANSWER: B

15. _________ is the lowest layer in a communication system.
  A. Datalink layer.
  B. Physical layer.
  C. Network layer.
  D. Transport layer.
 ANSWER: B

16. ________ is responsible for routing packets through network.

A. Physical layer.
  B. Datalink layer.
  C. Network layer.
  D. Transport layer.
 ANSWER: C

17. ___________ is used in the reference model to establish an end-to-end connection.
  A. Application layer.
  B. Physical layer.
  C. Network layer.
  D. Transport layer.
 ANSWER: D

18. __________ is situated at top of all transmission oriented layers.
  A. Application layer.
  B. Physical layer.
  C. Datalink layer.
  D. Network layer.
 ANSWER: A

19. Each transmitter in cellular systems is called a _________.
  A. base station.
  B. radio station.
  C. cell station.
  D. mobile station.
 ANSWER: A

20. Base station covers a certain area called a ___________.
  A. mobile.
  B. system.
  C. signal.
  D. cell.
 ANSWER: D

21. Cells are combined in ____________.
  A. antennas.
  B. groups.
  C. clusters.
  D. channel.
 ANSWER: C

22. Expansion for FCA is ____________.
  A. Full channel allocation.
  B. Fixed combined allocation.
  C. Fixed channel allocation.
  D. Free channel allocation.
 ANSWER: C

23. In Which year GSM was Founded?
  A. 1982
  B. 1981
  C. 1992
  D. 1980
 ANSWER: A

24. RTS Stands for
  A. Request to send
  B. Request to Reply
  C. Reply to send
  D. reply to single

ANSWER: A

25. To reduce interference even further, _________ can be used.
  A. satellites.
  B. GPRS.
  C. GSM.
  D. sectorized antennas.
 ANSWER: D

26. is specifically adapted to the wireless domain.
  A. MAC.
  B. CDM.
  C. TDM.
  D. FDM.
 ANSWER: A

27. DLC stands for ___________.
  A. Data level control.
  B. Date link connection.
  C. Data link control.
  D. Data link comment.
 ANSWER: C

28. ____________ is a server problem of wireless networks using CDM.
  A. Hidden and Exposed Terminals.
  B. Near and Far Terminals.
  C. Open and Close Terminals.
  D. First and Last terminals.
 ANSWER: B

29. ________ is used for allocating a separated space to users in wireless networks.
  A. SDMA.
  B. FDMA.
  C. TDMA.
  D. CDMA.
 ANSWER: A

30. _________ comprises all algorithms allocating frequencies to transmission channels according to the FDM.
  A. SDMA.
  B. FDMA.
  C. TDMA.
  D. CDMA.
 ANSWER: B

31. __________ is a channel that allows for simultaneous transmission in both directions.
  A. Full duplex.
  B. Half duplex.
  C. Duplex.
  D. Simplex.
 ANSWER: C

32. The two directions, mobile station to base station and vice versa are separated using different frequencies, called
_______________.
  A. frequency division simplex.
  B. frequency division duplex.
  C. frequency division full duplex.
  D. frequency division full simplex.
 ANSWER: B

33. TDMA stands for ____________.

A. Time division multiple access.
  B. Time divide multiple access.
  C. Time division mode access.
  D. Time division multiple account.
 ANSWER: A

34. Assigning different slots for uplink & downlink using the same frequency is called _____.
  A. FDD.
  B. CDD.
  C. TDD.
  D. EDD.
 ANSWER: C

35. If two or more stations access the medium at the same time, ______occurs and the transmission data is destroyed.
  A. poisson.
  B. destruction.
  C. construction.
  D. collision.
 ANSWER: D

36. The first refinement of the classical Aloha scheme is provided by the introduction of time slots is called ________.
  A. slotted aloha.
  B. classical aloha.
  C. reservation aloha.
  D. aloha.
 ANSWER: A

37. CSMA means __________.
  A. Carrier sense mode access.
  B. Carrier sense multiple access.
  C. Carrier sense medium access.
  D. Carrier sense multi access
 ANSWER: B

38. In _____ stations sense the carrier & start sending immediately if the medium is idle.
  A. non-persistentCSMA.
  B. P-persistent CSMA.
  C. Q-persistent CSMA.
  D. R-persistent CSMA.
 ANSWER: A

39. ______is one of the access schemes used in wireless LANs following the std IEEE 802.11.
  A. CSMA/DA.
  B. CSMA/EA.
  C. CSMA/CA.
  D. CSMA/FA.
 ANSWER: C

40. ________ is also called reservation Aloha.
  A. CAMA.
  B. EAMA.
  C. FAMA.
  D. DAMA.
 ANSWER: D

41. ___________ is a scheme typical for satellite systems.
  A. Classical Aloha.
  B. Reservation Aloha
  C. Slotted Aloha.
  D. Aloha.

ANSWER: B

42. ___________ is an explicit reservation scheme.
  A. AMA.
  B. BMA.
  C. DAMA.
  D. FMA.
 ANSWER: C

43. An example for an implicit reservation scheme is ____________.
  A. PRMA.
  B. QRMA.
  C. RRMA.
  D. SRMA.
 ANSWER: A

44. An even more fixed pattern that still allows some random access is exhibited by _________.
  A. slotted TDMA.
  B. reservation TDMA.
  C. classical TDMA.
  D. TDMA.
 ANSWER: B

45. ________ presents a simple scheme that solves the hidden terminal problem, does not need a base station is still a
random access Aloha scheme- but with dynamic reservation.
  A. MACA.
  B. NACA.
  C. PACA.
  D. QACA.
 ANSWER: A

46. ________ is very small compared to the data transmission, so the probability of a collision is must lower .
  A. RTS.
  B. CTS.
  C. ETS.
  D. PTS.
 ANSWER: A

47. RTS stands for __________.
  A. Request to send.
  B. Request to simple.
  C. Reply to send.
  D. Reply to single
 ANSWER: A

48. _____ is a strictly centralized scheme with one master station & served slave stations.
  A. Controlling.
  B. Correlation.
  C. Coding.
  D. Polling.
 ANSWER: D

49. Combination of different schemes is represented by ___________.
  A. ISMA.
  B. ITMA.
  C. IMA.
  D. TMA.
 ANSWER: A

50. _________ system use exactly these codes to separated different users in code space and to enable access to a

shared medium without interference.
  A. CDMA.
  B. TDMA.
  C. FDMA.
  D. EDMA.
 ANSWER: A

51. __________ is the segment of the market for mobile & wireless devices which are growing most rapidly. network.
  A. Digital cellular
  B. Data cellular network.
  C. Data cell net.
  D. Digital code net.
 ANSWER: A

52. ____________ was founded in 1982.
  A. GSM.
  B. SSM.
  C. CSM.
  D. DSM.
 ANSWER: A

53. Expansion for GSM is ___________.
  A. Global system for mobile communication.
  B. Global signal for mobile communication.
  C. Group system for mobile communication.
  D. Group signal for mobile
 ANSWER: A

54. A GSM system that has been introduced in European countries for railroad systems is _________.
  A. GSM-Mail.
  B. GSM-Rail.
  C. GSM-Signal.
  D. GSM-System.
 ANSWER: B

55. A____________ is connected to the GSM public land mobile network.
  A. mobile station MS.
  B. mode station MS.
  C. mobile system MS.
  D. mobile signal MS.
 ANSWER: A

56. ___________ is connected to transit networks.
  A. GSM PLMN.
  B. GSM PL.
  C. GSM PLNM.
  D. GSM PLPN.
 ANSWER: A

57. ________ services are application specific and may need all layers of ISO /OSI model.
  A. Telephone.
  B. Tele.
  C. Bearer.
  D. Supplementary.
 ANSWER: B

58. ____________ is the primary goal of GSM.
  A. Analogy service.
  B. Telephone service.
  C. Radiology service.

D. Digital service.
 ANSWER: B

59. A useful service for very simple message transfer is the ___________.
  A. short message service. service.
  B. short mail service.
  C. short medium
  D. short mode service.
 ANSWER: A

60. The successor of SMS is ___________.
  A. NMS.
  B. FMS.
  C. PMS.
  D. EMS.
 ANSWER: D

61. An non-voice tele service is __________.
  A. group 2 fax.
  B. group 1 fax.
  C. group 3 fax.
  D. group 4 fax.
 ANSWER: C

62. A GSM system consists of __________ subsystems.
  A. 2.
  B. 3.
  C. 4.
  D. 5.
 ANSWER: B

63. _________ comprises all radio specific entities.
  A. NSS.
  B. OSS.
  C. RSS.
  D. BSS.
 ANSWER: C

64. _______ interface is based on circuit switched PCM-30 systems.
  A. B interface.
  B. C interface.
  C. A interface.
  D. D interface.
 ANSWER: C

65. BTS stands for ____________.
  A. Base transceiver station.
  B. Base transport systems.
  C. Base term station.
  D. Base task system.
 ANSWER: A

66. A GSM system consist of_____________ sub system.
  A. 2
  B. 3
  C. 4
  D. 5
 ANSWER: B

67. A_________ has additional connections to other fixed networks such as PSTN & ISDN. .

A. gateway NSS.
  B. gateway MSC
  C. gateway PSS.
  D. gateway MSS.
 ANSWER: B

68. Data is transmitted in to small portions called ______.
  A. slots
  B. burst
  C. frame
  D. interface
 ANSWER: B

69. ___________ is a database for all IMEIs. .
  A. FIR.
  B. PIR.
  C. SIR.
  D. EIR
 ANSWER: D

70. The duration of a frame is ________.
  A. 3.615 ms.
  B. 6.615 ms.
  C. 7.615 ms.
  D. 4.615 ms.
 ANSWER: D

71. Each TDM channel occupies the _________ carrier for 577 ms in every 4.615ms.
  A. 200 KHz.
  B. 400 KHz.
  C. 600 KHz.
  D. 800 KHz.
 ANSWER: A

72. Data is transmitted in small portions called ____________.
  A. slots.
  B. burst.
  C. frame.
  D. interface.
 ANSWER: B

73. The symbol for radio interface is ____________.
  A. Um.
  B. Vm.
  C. Dm.
  D. Pm.
 ANSWER: A

74. GSM uses a TCH to transmit _________.
  A. data.
  B. number.
  C. user data.
  D. channel.
 ANSWER: C

75. The main tasks of the ______ comprise channel coding & error detection / correction.
  A. physical layer.
  B. datalink layer.
  C. transport layer.
  D. application layer.

ANSWER: A

76. The only important number for a user of GSM is the ___________.
  A. phone number.
  B. location number.
  C. identify number.
  D. security number.
 ANSWER: A

77. _____________ algorithm is used for authentication.
  A. A1.
  B. A2.
  C. A3.
  D. A4.
 ANSWER: C

78. ___________ algorithm is used for encryption.
  A. A2.
  B. A3.
  C. A5.
  D. A8.
 ANSWER: C

79. MS could use all _________ slots within a TDMA frame to achieve an AIUR.
  A. 5.
  B. 4.
  C. 2.
  D. 8.
 ANSWER: D

80. _________ architecture introduces two new network elements.
  A. GPRS.
  B. GSM.
  C. SGSN.
  D. CKSN.
 ANSWER: A

81. WAP stands for _______.
  A. Wireless application protocol.
  B. Wired application protocol.
  C. Wired architecture protocol.
  D. Wireless architecture protocol.
 ANSWER: A

82. Objective of WAP forum is to ________.
  A. provide simplicity.
  B. provide diverse internet content.
  C. provide private internet acacess.
  D. provide wired network access.
 ANSWER: B

83. Wireless Application Protocol Forum(WAP Forum) was founded in _______.
  A. May 1980
  B. June 1990
  C. June 1997.
  D. June 2000.
 ANSWER: C

84. ETSI stands for _______.
  A. European tele services.

B. European telecommunication standards ins.
C. European technologies standards interface.
D. European telecommunication standards interface
ANSWER: B

85. The basis for transmission of data in WAP is formed by _______.
A. bearer services.
B. providers.
C. wdp.
D. wcmp.
ANSWER: A

86. _________ offers a framework for integration of different www and mobile telephony applications.
A. Physical layer with WAE.
B. Data link layer with WAE.
C. Network layer with WAE.
D. Application layer with WAE.
ANSWER: D

87. .________ handles access to and interaction with mobile telephone system.
A. WML user agent.
B. WTA user agent.
C. WAP gateway.
D. WML gateway.
ANSWER: B

88. Allowing terminals and software from different vendors to communicate with networks from different providers is
called ______.
A. scalable.
B. reliable.
C. secure.
D. interoperable.
ANSWER: D

89. WAP transaction layer with its _________ offers a lightweight transaction service at the transaction SAP (TR-
SAP).
A. wireless transaction protocol (wtp).
B. wireless transfer protocol (wtp).
C. wireless session protocol (wsp).
D. wireless service protocol (wsp).
ANSWER: A

90. The current www in the internet offers web pages with the help of __________pages.
A. HTTP and web
B. FTP and HTTP.
C. HTML and web servers.
D. HTTP.
ANSWER: C

91. ________ operates on top of many different bearer services capable of carrying data.
A. Wireless Application Protocol (WAP).
B. Wireless Datagram Protocol (WDP).
C. Wireless Markup Language (WML).
D. Wireless Transport Layer Security (WTLS).
ANSWER: B

92. To include calenders in WAE, the ____________ is used.
A. calendar.
B. vcalender.
C. card.

D. vcard.
 ANSWER: B

93. _______ can provide different levels of security and has been optimized for low bandwidth, high-delay bearer
networks.
  A. Wireless Transport Layer Security (WTLS).
  B. Wireless Transaction Protocol (WTP).
  C. Wireless Application Protocol (WAP).
  D. Wireless Session Protocol (WSP).
 ANSWER: A

94. In WML document cards can be grouped to form _________.
  A. deck.
  B. cards.
  C. pages.
  D. files.
 ANSWER: A

95. Wireless Transaction protocol is on top of either ___________.
  A. WAP.
  B. WAP or WML.
  C. WTP.
  D. WDP or WTLS.
 ANSWER: D

96. _______ service provides the classic reliable request/response transaction known by many client/server scenarios.
  A. WTP class 1.
  B. WTP class 2.
  C. WTP class 3.
  D. WTP class 4.
 ANSWER: B

97. ________ provides a shared state between a client and a server to optimize content transfer.
  A. Wireless Session Protocol (WSP).
  B. Wireless Transaction protocol (WTP).
  C. Wireless Application Protocol (WAP).
  D. Wireless Datagram protocol (WDP).
 ANSWER: A

98. _________ has exactly same function as T-DUnitdata on the WDP layer.
  A. SEC- Create.
  B. SEC- commit.req.
  C. SEC- Unitdata.
  D. SEC- Exchange primitive.
 ANSWER: C

99. Clients and servers can agree upon a common level of protocol functionality during session establishment is called
as ________.
   A. content encoding.
   B. capability negotiation.
   C. session management.
   D. reliability.
 ANSWER: B

100. In i-mode systems the technical requirements for ringing tone download are _____.
  A. i-mode java.
  B. smf, mfi.
  C. gif.
  D. java.
 ANSWER: B

101. _______ offers source and destination port numbers used for multiplexing and demultiplexing of data
respectively.
   A. WAP.
   B. WDP.
   C. WCMP.
   D. WTLS.
 ANSWER: B

102. WML specified as an _______.
  A. xml document type.
  B. html document type.
  C. wap document type.
  D. http document type.
 ANSWER: A

103. The imode service was introduced in ____________.
  A. China.
  B. Europe.
  C. Japan.
  D. India.
 ANSWER: C

104. For java applications, the technical requirements for i-mode systems are _________.
  A. i-mode java.
  B. smf, mfi.
  C. gif.
  D. java.
 ANSWER: A

105. I-mode service introduced in the ________ year.
  A. 1990.
  B. 1993.
  C. 1994.
  D. 1999.
 ANSWER: D

106. The symbol for radio interface is__________.
  A. Um
  B. Vm
  C. Dm
  D. Pm
 ANSWER: A

107. The attractive force Fg of the earth due to gravity equals _____________.
  A. m.g.(R/r)2.
  B. m.g.
  C. R.
  D. m.g.(r/R)2.
 ANSWER: A

108. GEO stands for________.
  A. Geometric earth orbit
  B. Geo earth orbit
  C. Geostationary earth orbit
  D. Geo Orbit
 ANSWER: C

109. GEO satellites have a distance of almost ____________.
  A. 10000.

B. 16000.
  C. 26000.
  D. 36000.
 ANSWER: D

110. MEO satellites have a distance of about _______________.
  A. 1000-2000 km.
  B. 2000-4000 km.
  C. 5000-12000 km.
  D. 15000-20000 km.
 ANSWER: C

111. ______ stores all static information about a user as well as his or her current location.
  A. HLR.
  B. VLR.
  C. SUMR.
  D. CLR.
 ANSWER: A

112. _______ stores the current position of satellites and a mapping of each user to the current satellite through which
communication to the user is possible.
  A. HLR.
  B. VLR.
  C. SUMR.
  D. CLR.
 ANSWER: C

113. ______ allows a user to move from one spot beam of a satellite to another spot beam of the same satellite.
  A. Inter - satellite handover.
  B. Intra - satellite handover.
  C. Gateway handover.
  D. Inter - system handover.
 ANSWER: B

114. ________ takes place between satellites if they support ISLs.
  A. Inter - satellite handover.
  B. Intra - satellite handover.
  C. Gateway handover.
  D. Inter - system handover.
 ANSWER: A

115. Cells are combined in
  A. antennas
  B. groups
  C. clusters
  D. channels
 ANSWER: C

116. Which of the following is a disadvantage of MEO?
  A. Higher transmit power.
  B. Less transmit power.
  C. Works without delay.
  D. High speed in larger distance.
 ANSWER: A

117. The two basic settings for WLANs are ___________.
  A. infrastructure based.
  B. adhoc based.
  C. infrared based.
  D. infrastructure and adhoc based.

ANSWER: D

118. Some of the Advantages of WLANs are ___________.
  A. flexibility and planning.
  B. quality of service.
  C. safety and security.
  D. proprietary solutions.
 ANSWER: A

119. The IEEE 802.11 standard belongs to the group of __________ LAN standards.
  A. 801.x.
  B. 802.x.
  C. 803.x.
  D. 804.x.
 ANSWER: B

120. The stations and the access points which are within the same radio coverage form __________.
  A. basic service set (bssi).
  B. extended service set (ess).
  C. distribution system services.
  D. portal.
 ANSWER: A

121. The physical layer subdivided into ___________.
  A. plcp and pmd.
  B. pstn and pmd.
  C. plcp and pstn.
  D. pstn and mac.
 ANSWER: A

122. The _________ management supports the association and re-association of a station to an access point and
roaming between different access points.
  A. phy.
  B. station.
  C. mac.
  D. pmd.
 ANSWER: C

123. The main task of __________ management includes channel tuning and PHY MIB maintenance.
  A. phy.
  B. plcp.
  C. pmd.
  D. mac.
 ANSWER: A

124. __________ interacts with both management layers and is responsible for additional higher layer functions.
  A. Session management.
  B. Application management.
  C. Station management.
  D. Mac management.
 ANSWER: C

125. Many products today cannot interoperate and needs the additional standard _______ to specify an inter access
point protocol.
  A. IEEE 802.11a.
  B. IEEE 802.11c.
  C. IEEE 802.11e.
  D. IEEE 802.11f.
 ANSWER: D

126. The node available in IEEE 802.11 system architecture includes ___________.
  A. stations and access points.
  B. bss.
  C. ess.
  D. distribution system services.
 ANSWER: A

127. The goal of IEEE 802.11 standard was the specification of a _______WLAN .
  A. stations.
  B. simple and robust.
  C. restrictions.
  D. quality of service.
 ANSWER: B

128. ______ refers to a satellite system together with gateways and fixed terrestrial networks.
  A. Routing.
  B. Localization.
  C. Handover.
  D. GEO.
 ANSWER: A

129. The satellite move away from current gateway and connect to other is termed as ______.
  A. inter system handover.
  B. gateway handover.
  C. inter-satellite handover.
  D. intra-satellite handover.
 ANSWER: B

130. The last known locations of mobile users are stored in _______.
  A. hlr.
  B. clr.
  C. vlr.
  D. leo.
 ANSWER: C

131. The technology aims at so called ad-hoc piconets is called ______.
  A. bluetooth technology.
  B. wap technology.
  C. ethernet technology.
  D. IEEE 802.11 technology.
 ANSWER: A

132. The bluetooth is a___________ with a very limited coverage and without the need for an infrastructure.
  A. WAN.
  B. LAN.
  C. MAN.
  D. WAP device.
 ANSWER: B

133. The data rate for Bluetooth technology is _______ Mbit/s.
  A. 1
  B. 2
  C. 3
  D. 4
 ANSWER: A

134. The history of Bluetooth starts in _______ century.
  A. first.
  B. third
  C. fourth

D. tenth
 ANSWER: D

135. The compatibility of Bluetooth is ________.
  A. with 802.10 standard.
  B. with 802.11 standard.
  C. with 802.12 standard.
  D. with 802.13 standard.
 ANSWER: B

136. Any one criterion for Wireless personal area network is___________.
  A. less market potential.
  B. less compatibility.
  C. less technical feasibility.
  D. high technical feasibility.
 ANSWER: D

137. Bluetooth operates on __________ GHz band.
  A. 2.
  B. 2.1.
  C. 2.4.
  D. 2.5.
 ANSWER: C

138. Using _________ a mobile phone can be connected to a PDA or laptop.
  A. wired.
  B. wireless piconets.
  C. wireless WAN.
  D. wireless MAN.
 ANSWER: B

139. Bluetooth includes __________ channels.
  A. 45.
  B. 50.
  C. 69.
  D. 79.
 ANSWER: D

140. The carrier spacing of Bluetooth is _______.
  A. 1MHz.
  B. 2MHz.
  C. 3MHz.
  D. 4MHz.
 ANSWER: A

141. Each Bluetooth device performs frequency hopping with ______ hops/sec.
  A. 1,200.
  B. 1,400.
  C. 1,600.
  D. 1,800.
 ANSWER: C

142. Bluetooth applies _______ for interference migration.
  A. FHSS.
  B. FSS.
  C. FHS.
  D. HSS.
 ANSWER: A

143. _______ is the collection of Bluetooth devices which are synchronized to the same hopping sequence.

A. Master.
  B. Standby.
  C. Piconet.
  D. Parked.
 ANSWER: C

144. The phase in the hopping pattern of piconet is determined by the ________ clock.
  A. master.
  B. slave.
  C. parked.
  D. standby.
 ANSWER: A

145. The groups of piconets are called as ____________.
  A. piconet groups.
  B. master groups.
  C. scatter.
  D. scatternet.
 ANSWER: D

146. To perform Public key authentication with the client the ________ primitive is used in WTLS.
  A. SEC- Create.
  B. SEC-Exchange primitive.
  C. SEC- update
  D. SEC-delete.
 ANSWER: B

147. Bluetooth applies ________ for separation of piconets.
  A. CDMA.
  B. FH-CDMA.
  C. BH-CDMA.
  D. FH-BH.
 ANSWER: B

148. Link setup and management between devices including security functions and parameter negotiation is done by
____________.
  A. link manager protocol.
  B. logical link control and adaptation protocol.
  C. service discovery protocol.
  D. baseband.
 ANSWER: A

149. The specification of air interface is done by ____ element of core protocols. a. baseband.
  A. baseband.
  B. radio.
  C. link manager protocol.
  D. service discovery protocol.
 ANSWER: B

150. ______ describes bit oriented protocol that defines call control signalling for voice and data calls establishment in
Bluetooth devices.
  A. TCS BIN.
  B. HCI.
  C. RFCOMM.
  D. L2CAP.
 ANSWER: A

                                                                                                        Staff Name