Computer Networks Question-Answer Part 3

Q.1 How many layers are present in the Internet protocol stack (TCP/IP model)?

       A. 5

       B. 7

       C. 6

       D. 10

Ans : 5


Q.2 The number of layers in ISO OSI reference model is __________.

       A. 5

       B. 7

       C. 6

       D. 10

Ans : 7


Q.3 Which of the following layers is an addition to OSI model when compared with TCP IP model?

       A. Application layer

       B. Presentation layer

       C. Presentation layer

       D. Session and Presentation layer

Ans : Session and Presentation layer


Q.4 Application layer is implemented in ____________.

       A. NIC

       B. End system

       C. Packet transport

       D. Ethernet

Ans : End system


Q.5 Transport layer is implemented in ______________.

       A. NIC

       B. End system

       C. Packet transport

       D. Ethernet

Ans : End system


Q.6 The functionalities of the presentation layer include ____________.

       A. Data compression

       B. Data encryption

       C. Data description

       D. All of the above

Ans : All of the above


Q.7 Delimiting and synchronization of data exchange is provided by __________.

       A. Session layer

       B. Application layer

       C. Link layer

       D. Transport layer

Ans : Session layer


Q.8 In OSI model, when data is sent from device A to device B, the 5th layer to receive data at B is _________.

       A. Session layer

       B. Application layer

       C. Link layer

       D. Transport layer

Ans : Session layer


Q.9 In TCP IP Model, when data is sent from device A to device B, the 5th layer to receive data at B is ____________.

       A. Session layer

       B. Application layer

       C. Link layer

       D. Transport layer

Ans : Application layer


Q.10 In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______.

       A. Added

       B. Removed

       C. Rearranged

       D. Randomized

Ans : Removed


Q.11 Which of the following statements can be associated with OSI model?

       A. A structured way to discuss and easier update system components

       B. One layer may duplicate lower layer functionality

       C. Functionality at one layer no way requires information from another layer

       D. It is an application specific network model

Ans : Functionality at one layer no way requires information from another layer


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