Which one of the following is not used in media access control?

(a)

ethernet

(b)

digital subscriber line

(c)

fiber distributed data interface

(d)

none of the mentioned

Which of the following type of network contains Bluetooth as its example?

(a)

personal area network

(b)

local area network

(c)

virtual private network

(d)

none of the mentioned

Your company has a LAN in its downtown office and has now set up a LAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device(s) are needed to connect them? Choose the most correct answer.

(a)

Modem

(b)

Cable

(c)

Hub

(d)

Router

Identify the data communication system within a building or campus.

(a)

LAN

(b)

WAN

(c)

MAN

(d)

None of the mentioned

Identify the twisted pair cable in which metal casing improves penetration of noise or crosstalk.

(a)

insulated twisted pair cable

(b)

Shielded twisted pair cable

(c)

Unshielded twisted pair cable

(d)

Both A & B

ASCII stands for___________.

(a)

American Standard Code for Information Interchange

(b)

American Scientific Code for International Interchange

(c)

American Standard Code for Intelligence Interchange

(d)

American Scientific Code for Information Interchange

Read the statements and identify the correct option.
Statement A: Voice mail system is a centralized system where voice mail boxes are managed for many users.
Statement B: voice mail messages can be accessed, listened and managed from anywhere in the world through telephone line.

(a)

Statement A is correct

(b)

Statement B is correct

(c)

Both the statements are correct

(d)

None of them

Identify the network security system that uses rules to control incoming and outgoing network traffic.

(a)

Firewall

(b)

Cookies

(c)

Hacking

(d)

Crackers

Define Computer network.

What is electronic commerce?

What is spamming?

Differentiate 3G and 4G communication.

Differentiate Web page, Web browser and a Web Server.

Write short notes on the following: a) Hub b) Switch c) Gateway

Draw an outline for the following:
a) Coaxial Cable

Define Topology. Explain different topologies using schematic diagram.

Define wired technology. Explain the common types of bounded media in the data transmission.

Explain the applications of internet.