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Worksheets

CN Basics

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

A computer network is _______ computers connected together

a)

2

b)

2 or more

c)

A large number

2.

A ___________ can be computer, printer or any other device capable of sending or receiving the data and __________ is connecting the nodes are known as communication channels.

(a)  

3.

The physical layer is concerned with __________

a)

port to port delivery

b)

process to process delivery

c)

bit-by-bit delivery

d)

application to application delivery

4.

The physical layer is responsible for __________

a)

Line coding

b)

Channel coding

c)

Modulation

d)

All of the above

5.

The data link layer takes the packets from _________ and encapsulates them into frames for transmission

a)

Physical Layer

b)

Application Layer

c)

Transport Layer

d)

Network Layer

6.

Which of the following is a data link protocol?

a)

Point to Point Protocol

b)

HDLC

c)

Ethernet

d)

All of the above

7.

Which group of layers are having the responsibility of network?

a)

Application;Presenataion;Session

b)

Session;Transport;Network

c)

Tranport;Network;Datalink

d)

Network;Datalink;Physical

8.

Which layer is responsible for error free transfer of data frames?

a)

Network Layer

b)

Datalink Layer

c)

Transport Layer

d)

Physical layer

9.

Which layer is responsible for process to process reliable message delivery?

a)

Datalink Layer

b)

Network Layer

c)

Transport Layer

d)

Application Layer

10.

In which layer, hub works?

a)

Physical Layer

b)

Datalink Layer

c)

Network Layer

d)

Both physical and Datalink