Network Layer Computer Networks Questions and Answers

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1.

The network layer concerns with

   A.) frames
   B.) bits
   C.) packets
   D.) none of these

Answer: Option 'C'

packets

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2.

The 4 byte IP address consists of

   A.) network address
   B.) host address
   C.) both (a) and (b)
   D.) none of the mentioned

Answer: Option 'C'

both (a) and (b)

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3.

Which one of the following routing algorithm can be used for network layer design?

   A.) shortest path algorithm
   B.) distance vector routing
   C.) link state routing
   D.) all of these

Answer: Option 'D'

all of these

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4.

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

   A.) spider structure
   B.) spider tree
   C.) spanning tree
   D.) none of these

Answer: Option 'C'

spanning tree

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5.

The network layer protocol of internet is

   A.) internet protocol
   B.) ethernet
   C.) hypertext transfer protocol
   D.) none of these

Answer: Option 'A'

internet protocol

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6.

ICMP is primarily used for

   A.) error and diagnostic functions
   B.) addressing
   C.) forwarding
   D.) none of these

Answer: Option 'A'

error and diagnostic functions

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7.

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

   A.) traffic aware routing
   B.) admission control
   C.) load shedding
   D.) None of these

Answer: Option 'D'

None of these

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8.

Multidestination routing

   A.) is same as broadcast routing
   B.) contains the list of all destinations
   C.) data is not sent by packets
   D.) None of these

Answer: Option 'D'

None of these

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9.

In virtual circuit network each packet contains

   A.) full source and destination address
   B.) a short VC number
   C.) both (a) and (b)
   D.) None of these

Answer: Option 'B'

a short VC number

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10.

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

   A.) routing
   B.) inter-networking
   C.) congestion control
   D.) none of these

Answer: Option 'D'

none of these

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