Logo educatepk.com
MCQs & Books free for all subjects and educational help  
Subscribe email alerts:
MCQs Online
MCQs on Computer Networking
Books
MCQs on Computer Networking

MCQs and Quiz related to Computer Networking.



Q No.1 of 10

First layer of OSI model is______


Option 1

link layer
Option 2

physical layer
Option 3

transport layer
Option 4

network layer
Q No.2 of 10

 

Which of the following might be used by a company to satisfy its growing communications needs?


Option 1

front end processor
Option 2

concentrator
Option 3

controller
Option 4

multiplexer
Option 5

all of the these
Q No.3 of 10

The x.25 standard specifies a


Option 1

technique for start-stop data
Option 2

technique for dial access
Option 3

DTE/DCE interface
Option 4

None of these
Q No.4 of 10

 

Which of the following communication modes support two-way traffic but in only one direction at a time?


Option 1

three-quarters duplex
Option 2

simplex
Option 3

half duplex
Option 4

None of these
Q No.5 of 10

 

What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard?


Option 1

2
Option 2

4
Option 3

5
Option 4

3
Option 5

None of these
Q No.6 of 10

 

In OSI network architecture, the routing is performed by


Option 1

network layer
Option 2

transport layer
Option 3

data link layer
Option 4

session layer
Option 5

none of these
Q No.7 of 10

In OSI network architecture, the dialogue control and token management are responsibility of


Option 1

session layer
Option 2

network layer
Option 3

transport layer
Option 4

data link layer
Q No.8 of 10

 

Which of the following performs modulation and demodulation?


Option 1

fiber optics
Option 2

modem
Option 3

satellite
Option 4

coaxial cable
Option 5

none of the these
Q No.9 of 10

The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as:


Option 1

demodulation
Option 2

modulation
Option 3

synchronizing
Option 4

digitising
Q No.10 of 10

 

How many OSI layers are covered in the X.25 standard?


Option 1

Two
Option 2

Three
Option 3

Seven
Option 4

Six
Option 5

None of these

Correct Answers