Computer Networking (Set 2)

Pick the odd one out.

1

File transfer

2

File download

3

Interactive games

4

E-mail

Application layer offers _____ service.

1

End to end

2

Process to process

3

Both end to end and process to process

4

None of the above

The device operation at Data Link layer is _____

1

Repeater

2

Router

3

Bridge

4

None of the Above

A proxy firewall filters at _____

1

Physical layer

2

Data link layer

3

Network layer

4

Application layer

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

1

Shortest path algorithm

2

Distance vector routing

3

Link state routing

4

All of the above

Which of this is not a network edge device?

1

PC

2

Smartphone

3

Servers

4

Switch

In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are _____

1

Added

2

Removed

3

Rearranged

4

Modified

Which of the following is a fundamental principle of wireless communication?

1

Electromagenetic waves

2

Microwaves

3

Both (a) and (b)

4

None of the above

Which of the following is true with respect to TCP?

1

Connecton-oriented

2

Process-to-process

3

Transport layer protocol

4

All of the above

In cryptography, what is cipher?

1

Encrypted message

2

Algorithm for performing encryption and decryption

3

Bothe algorithm for performing encrpytion and decryption and encrypted message

4

Decrypted message

Computer Networking (Set 2)

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