Network | MCQs

Explanation

LAN stands for local area network

It is a collection of devices connected together in one physical location

For example"

• school
• laboratory
• university campus 
• office building.

LAN covers can be small or large from home network and enterprise network

Additional Information

WAN stands for wide area network.

MAN stands for Metropolitan Area 

WANs and MANs connect many LANs together

WANs and MANs cover a large geographical area

Explanation

IP stands for "Internet Protocol".

It is the set of rules governing the format of data sent via the internet or local network.

Explanation

The modem is short for "Modulator-Demodulator."

A modulator-demodulator or modem is a computer hardware device 

A modulator-demodulator or modem converts data from a digital format into a format .

Explanation

When two or more computers are connected together so they can communicate with one another, they form a network.

Explanation

There are three different classes of a computer network namely:

Local Area Network (LAN) covers a small geographical area such as a room, a building or a compound;

Metropolitan Area Network (MAN) has citywide coverage

and Wide Area Network (WAN) that covers the whole globe or beyond the globe.

ND27122022

ND16-1-2023

Explanation

A Firewall is used in a computer network to protect a server from unauthorized access and potential damage by those who log in.

It monitors and controls incoming and outgoing network traffic based on predetermined security rules.

Explanation

Explanation

File Transfer Protocol (FTP)

FTP is a communications protocol used to send files from computer to computer

FTP does not use encryption.

FTP is built on a client-server model 

FTP first Introduction: April 16, 1971

Explanation

A firewall is a security system that monitors and controls incoming and outgoing network traffic.

Its primary function is to prevent unauthorized access to or from a private network by filtering data based on security rules.

Explanation

Firewalls provide protection against outside cyber attackers by shielding your computer or network from malicious or unnecessary network traffic.

Firewalls can also prevent malicious software from accessing a computer or network via the internet.