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Question 71

Which layers of the OSI model are host-to-host layers ?

  1. ATransport, Session, Presentation, Application.
  2. BNetwork, Transport, Session, presentation.
  3. CDatalink, Network, Transport, session.
  4. DPhysical, Datalink, Network, Transport.
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Correct answer: (A) Transport, Session, Presentation, Application.

Explanation

The upper four OSI layers (Transport, Session, Presentation, Application) are host-to-host (end-to-end) layers. The lower layers handle hop-by-hop delivery over the network.

From DSSSB TGT Computer Science Practice Set 3

This is question 71 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.