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IT Participation 6

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

The transmission mode which allows both communicating devices to transmit and receive data simultaneously is

a)

Half duplex

b)

Simplex

c)

Full duplex

d)

None of these

2.

------ does not come under the guided media.

a)

Twisted Pair

b)

Optical fibres

c)

Coaxial cable

d)

Microwave

3.

LAN stands for------------

a)

Long area network

b)

Local area network

c)

Local audible network

d)

Limited area network

4.

The network device that connects two or more networks together and whose aim is to trace the best route for the information to travel is ......................

a)

Hub

b)

Router

c)

Gateway

d)

Switch

5.

-------------supports the highest bandwidth and faster transmission rate.

a)

Coaxial cable

b)

Twisted-pair cable

c)

UTP cable

d)

Fiber optic cable

6.

A computer network, which provides long-distance transmission of data, images, and sound over a large distance, is ............

a)

LAN

b)

MAN

c)

WAN

d)

CAN

7.

The URL http://www.uni.edu is associated with------------

a)

commercial organization

b)

an educational institution

c)

a military establishment

d)

None of these

8.

Cryptography relies on ----------

a)

key

b)

encryption Algorithm

c)

decryption algorithm

d)

all of these

9.

Twisted-pair cable is an example of unguided media for data communication.

a)

True

b)

False

10.

Hub is also called as protocol converter.

a)

false

b)

true

11.

. In full-duplex transmission, both parties can communicate at the same time LANs operate within a wide area network

a)

true

b)

false

12.

All URLs are unique.

a)

true

b)

false

13.

Worm is a self-replicating program, which is self-contained and does not require a host program.

a)

true

b)

false

14.

Cryptography comprises conversion of plain text into cipher text and vice versa.

a)

true

b)

false

15.

Digital signature is created and verified by means of cryptography.

a)

true

b)

false