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At data link layer error detection is achieved by

  • Cyclic Redundancy Code
  • Hamming codes
  • Bit stuffing
  • Equalization

Answer: Option A

Similar Questions :

1. Videotax is combination of

  • communication
  • television
  • computer technology
  • all of above

Answer: Option D

2. Name of the topology in which there are bidirectional links between each possible nodes

  • Ring
  • Mesh
  • Star
  • Tree

Answer: Option B

3. A central computer surrounded by one or more computers is called

  • ring network
  • bus network
  • star network
  • all of above

Answer: Option C

4. X.25 standard specifies

  • technique for start-stop data
  • technique for dial access
  • DTE/DCE interface
  • data bit rate

Answer: Option C

5. Communication mode which supports data in both directions at the same time is called

  • simplex
  • Full duplex
  • Half duplex
  • multiplex

Answer: Option B

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