Network Layer (OSI Model) Interview/Exam Question-Answer

Q.1 The network layer is concerned with __________ of data.

       A. bits

       B. frames

       C. packets

       D. bytes

Ans : packets

Q.2 Which one of the following is not a function of network layer?

       A. routing

       B. inter-networking

       C. congestion control

       D. error control

Ans : error control

Q.3 A 4 byte IP address consists of __________.

       A. only network address

       B. only host address

       C. network address & host address

       D. network address & MAC address

Ans : network address & host address

Q.4 In virtual circuit network each packet contains ___________.

       A. Full source and destination address

       B. A short VC number

       C. Only source address

       D. Only destination address

Ans : A short VC number

Q.5 Which of the following routing algorithms can be used for network layer design?

       A. Shortest path algorithm

       B. Distance vector routing

       C. Link state routing

       D. All of the above

Ans : All of the above

Q.6 Which of the following is not correct in relation to multi-destination routing.

       A. is same as broadcast routing

       B. contains the list of all destinations

       C. data is not sent by packets

       D. there are multiple receivers

Ans : data is not sent by packets

Q.7 A subset of a network that includes all the routers but contains no loops is called ________.

       A. Spanning tree

       B. Spider structure

       C. Spider tree

       D. Special tree

Ans : Spanning tree

Q.8 Which one of the following algorithm is not used for congestion control?

       A. Traffic aware routing

       B. Admission control

       C. Load shedding

       D. Routing information protocol

Ans : Routing information protocol

Q.9 The network layer protocol for internet is __________.

       A. Ethernet

       B. Internet protocol

       C. Hypertext transfer protocol

       D. File transfer protocol

Ans : Internet protocol

Q.10 ICMP is primarily used for __________.

       A. Error and diagnostic functions

       B. Addressing

       C. Forwarding

       D. Routing

Ans : Error and diagnostic functions

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