Computer Networks

91. A group of stations connected to a cable forms a

  1. Repeater
  2. Transceiver
  3. Segments
  4. Groups

Correct answer: (C)
Segments

92. A hub antennae is located at a ____________ from where line-of-sight can be established with the various terminal antennae.

  1. Highest point
  2. Lowest point
  3. Central point
  4. None of these

Correct answer: (C)
Central point

93. A negative value of decibel indicates ____________ of signal strength

  1. Loss
  2. Gain
  3. Either loss or gain
  4. None of these

Correct answer: (A)
Loss

94. A network composed of inter-domain router is called

  1. Domain
  2. Backbone
  3. Inter-domain router
  4. All of these

Correct answer: (B)
Backbone

95. A number of transmission media exist, some of them are

  1. Open wire circuits
  2. Twisted pair cables
  3. Coaxial cables
  4. Fiber optic cables and Wireless
  5. All of these

Correct answer: (E)
All of these

96. A pair of copper wires twisted together and wrapped with a plastic coating as a twisted pair and which has a diameter of ____________ :

  1. 0.2-0.6
  2. 0.4-0.7
  3. 0.2-0.8
  4. 0.4-0.8

Correct answer: (D)
0.4-0.8

97. A positive value of decibel indicates ____________ of signal strength

  1. Loss
  2. Gain
  3. Either loss or gain
  4. None of these

Correct answer: (B)
Gain

98. A pseudo random noise code is a sequence of chips valued ____________ with noise-like properties

  1. -1 and1(polar)
  2. 0 and 1(non-polar)
  3. Both a & b
  4. None of these

Correct answer: (B)
0 and 1(non-polar)

99. A reliable data link service is provided between ____________ through Message Transfer Part of SS7

  1. BSC
  2. MSC
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

100. A remote access server also known as ____________

  1. Communication
  2. Communication server
  3. Layer
  4. None of these

Correct answer: (B)
Communication server

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