Networking OSI model

Questions related to OSI model

Q1- which layer is responsible for framing ?

a- data link layer b- network layer c- transport layer d- Physical layer

Q2- ICMP is a ..................................layer protocol .

a- Application layer b- network layer c- physical layer d- trasnport layer.

Q3- Which is transport layer protocol ?

a- tcp b- http c- IP d- ARP

Q4- Which is the responsibility of presentation layer ?

a- segmentation b- framing c- encryption d- error control

Q5- Router is a ...........................layer device .

a- physical layer b- data link layer c- Network Layer d- Transport Layer

Ans-

1-a

2-b

3-a

4-c

5-c