Kurose and Ross Edition 6 Exercise 1 Question R25 (Page No 70)

Question

Which layers in the Internet protocol stack does a router process? Which layers does a link-layer switch process? Which layers do a host process?

Answer 1

1. Routers works at Network layer so it processes Network layer, Data Link layer and Physical layer.
2. Switch Works at Data Link layer so it processes Data Link layer and physical layer.
3. Host processes all the layers.

Answer 2

Routers -network layer

Link layer - data link layer

Host - all layer

Answer 3

Internet Protocol stack consists of FOUR layers namely APPLICATION LAYER, TRANSPORT LAYER,INTERNET LAYER and NETWORK INTERFACE LAYER.....

Router works in Internet Layer.

Data Link Switch works in Network Interface layer of Internet protocol stack.

Host processes all the  four layers in Internet Protocol stack.

Answer 4

Router – works at network layer , so process network layer and all the layers below it ie data link layer and physical layer.

Switch – works at data link layer, so process data link layer and all the layers below it ie .physical layer

Host- processes all the layers