Mobile Communication MCQ Questions and Answers Quiz

81. The duration of a frame is

  1. 3615 ms
  2. 6615 ms
  3. 7615 ms
  4. 4615 ms

82. The first refinement of the classical Aloha scheme is provided by the introduction of time slots is called

  1. slotted aloha
  2. classical aloha
  3. reservation aloha
  4. aloha

83. The goal of IEEE 802.11 standard was the specification of a ...................WLAN .

  1. stations
  2. simple and robust
  3. restrictions
  4. quality of service

84. The groups of piconets are called as

  1. piconet groups
  2. master groups
  3. scatter
  4. scatternet

85. The history of Bluetooth starts in.....................century.

  1. first
  2. third
  3. fourth
  4. tenth

86. The IEEE 802.11 standard belongs to the group of.....................LAN standards.

  1. 801x
  2. 802x
  3. 803x
  4. 804x

87. The imode service was introduced in

  1. China
  2. Europe
  3. Japan
  4. India

88. The last known locations of mobile users are stored in

  1. hlr
  2. clr
  3. vlr
  4. leo

89. The main task of.....................management includes channel tuning and PHY MIB maintenance.

  1. phy
  2. plcp
  3. pmd
  4. mac

90. The main tasks of the..............comprise channel coding & error detection / correction.

  1. physical layer
  2. datalink layer
  3. transport layer
  4. application layer
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