Computer Networks

111. A technique in which acknowledgement is temporarily delayed and then hooked onto next outgoing frame is known as

  1. piggy
  2. Back
  3. Piggybacking
  4. None of these

Correct answer: (C)
Piggybacking

112. A telephone wire has bandwidth of ____________ for short distance

  1. 1M
  2. 2M
  3. 3M
  4. 4M

Correct answer: (A)
1M

113. A terminal controller may be used to integrate two or more terminals for connection with a.

  1. Low speed line
  2. High speed line
  3. Single WAN line
  4. Both a & b

Correct answer: (D)
Both a & b

114. A terminal of 1.2kbit/s can communicate with host computer at ____________ through the packet switched network

  1. 9600bits/s
  2. 8600bits/s
  3. 7600bits/s
  4. 6600bits/s

Correct answer: (A)
9600bits/s

115. A token ring is a ring topology created by IBM in

  1. 1960
  2. 1990
  3. 1970
  4. 1980

Correct answer: (C)
1970

116. A Traffic Channel(TCH) is defined for speech and data at a rates of

  1. 9.6kb/s
  2. 4.8kb/s
  3. 2.4kb/s
  4. All of these

Correct answer: (D)
All of these

117. A transceiver cable also referred to as an ____________ cable and is used to connect a transceiver and the NIC

  1. ALU
  2. AUI(Attachment Unit Interface)
  3. LAN
  4. MAN

Correct answer: (B)
AUI(Attachment Unit Interface)

118. A transceiver is used to connect a ____________

  1. Coaxial cable
  2. Terminals
  3. Transmitter
  4. Both a & b

Correct answer: (D)
Both a & b

119. A transmission cable has

  1. Inductance
  2. Capacitance
  3. Resistance
  4. All of these

Correct answer: (D)
All of these

120. A user connects to NAS through

  1. ADSL
  2. Dialup POTS
  3. ISDN
  4. Other service
  5. All of these

Correct answer: (E)
All of these

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