Computer Networks

961. The unshielded twisted pair states the link between the end in the communication closet and the outlet which is further restricted to

  1. 60metres
  2. 90metres
  3. 100metres
  4. 190metres

Correct answer: (B)
90metres

962. The uplink and downlink frequencies for GSM are different and therefore a channel has a pair of frequencies ____________ apart

  1. 70MHz
  2. 80MHz
  3. 90MHz
  4. 60MHz

Correct answer: (B)
80MHz

963. The upper layers are layers

  1. 5,6
  2. 5,7
  3. 6,7
  4. 5,6,7

Correct answer: (D)
5,6,7

964. The upper layers are not expected to know anything about ____________

  1. Networking
  2. Network addresses
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

965. The use of several parity bits are

  1. Help to detect any error
  2. Find if any bits are inverted
  3. They should be re-inverted so that the original data is restored
  4. All of these

Correct answer: (D)
All of these

966. The user can have access to high speed lines ____________ connected to MAN

  1. 32Mbits/s
  2. 33Mbits/s
  3. 34Mbits/s
  4. 35Mbits/s

Correct answer: (C)
34Mbits/s

967. The user can having access capacity of ____________ connected to MAN

  1. 151Mbits/s
  2. 152Mbits/s
  3. 154Mbits/s
  4. 155Mbits/s

Correct answer: (D)
155Mbits/s

968. The user device and node are properly referred to as

  1. DTE
  2. DCE
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

969. The variants of sliding window protocol are

  1. Go back n
  2. Selective repeat
  3. Selective reject
  4. All of these

Correct answer: (D)
All of these

970. The various LAN protocols are

  1. Ethernet
  2. Token ring
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

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