Question discussion

In the data link layer, _____ is based on automatic repeat request, which is the retransmission of data.

3481Medium DSSSB TGT Computer Science 0 replies 2 views
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In the data link layer, _____ is based on automatic repeat request, which is the retransmission of data.

  • AFraming
  • BPhysical addressing
  • CError control
  • DFlow control
Correct answer: C

Explanation

Error control uses automatic repeat request (ARQ), i.e. retransmission of lost or damaged data.

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