3,268 views
4 votes
4 votes

Both hosts and routers and TCP/IP protocol software. However, routers do not use protocol from all layers. The layer for which the protocol software is not needed by a router is

  1. Layer – 5 (Application)
  2. Layer – 1 (Physical)
  3. Layer – 3 (Internet)
  4. Layer – 4 (Network Interface)

4 Answers

6 votes
6 votes
Routers work in following three layers

1)physical

2)data link

3)network layer

it does not work in above layers which include application layer hence A is the ans
3 votes
3 votes
Option-A

Router mainly contains the One netwok layer ,2*Data Link layer and 2*Physical Layer.
0 votes
0 votes
answer is a
Answer:

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