Q.1
Which of the following multiple access techniques are used by second generation cellular systems?
  • a) FDMA/FDD and TDMA/FDD
  • b) TDMA/FDD and CDMA/FDD
  • c) FDMA/FDD and CDMA/FDD
  • d) FDMA/FDD only
Q.2
Which one is not a TDMA standard of second generation networks?
  • a) GSM
  • b) IS-136
  • c) AMPS
  • d) PDC
Q.3
Which of the following is a CDMA standard of second generation network?
  • a) IS-95
  • b) IS-136
  • c) ETACS
  • d) EDGE
Q.4
PopularCDMA standard IS-is also known as ______________
  • a) CdmaOne
  • b) CdmaTwo
  • c) IS-136
  • d) IS-95B
Q.5
How many users or voice channels are supported for eachKHz channel in GSM?
  • a) Eight
  • b) Three
  • c) Sixty four
  • d) Twelve
Q.6
How many voice channels are supported for eachKHz radio channel in IS-136?
  • a) Eight
  • b) Thirty
  • c) Three
  • d) Sixteen
Q.7
How many users are supported in IS-for each 1.MHz?
  • a) Eight
  • b) Sixty four
  • c) Sixteen
  • d) Twenty five
Q.8
Which modulation technique is used by GSM?
  • a) GMSK
  • b) BPSK
  • c) QPSK
  • d) GFSK
Q.9
IS-uses which modulation technique?
  • a) GMSK
  • b) BPSK
  • c) QAM
  • d) AFSK
Q.10
IS-uses which modulation technique?
  • a) π/4 DQPSK
  • b) BPSK
  • c) GMSK
  • d) AFSK
Q.11
Which is one of the disadvantages ofstandards?
  • a) Short Messaging Service (SMS)
  • b) Digital modulation
  • c) Limited capacity
  • d) Limited Internet Browsing
Q.12
GSM (Global System for Mobile) was earlier also known as _____________
  • a) Group System Mobile
  • b) Global Special Meaning
  • c) Group Special Mobile
  • d) Global Special Mobile
Q.13
CDMA standard, IS-was proposed by which company?
  • a) Nippon Telephone and Telegraph (NTT)
  • b) Qualcomm
  • c) Bellcore and Motorola
  • d) AT&T Bell Laboratories
Q.14
Which one of the followingstandard is used in Japan?
  • a) IS-136
  • b) GSM
  • c) PDC
  • d) AMPS
Q.15
TheGSM technology uses a carrier separation of _____________
  • a) 1.25 MHz
  • b) 200 KHz
  • c) 30 KHz
  • d) 300 KHz
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