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Question 16

In the following pairs of OSI reference layers/sublayers and their functionality, the incorrect pair is

  1. ANetwork layer and routing
  2. BData link layer and bit synchronization
  3. CTransport layer and end-to-end process communication
  4. DMedium access control sublayer and channel sharing
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Correct answer: (B) Data link layer and bit synchronization

Explanation

Bit synchronization is done by the Physical layer, not the Data Link layer. Data Link handles framing, error control and flow control. The other pairs are correct.

From DSSSB TGT Computer Science Practice Set 3

This is question 16 of DSSSB TGT Computer Science Practice Set 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.