Online | MCQs

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

Cyberwarfare is the use of cyber attacks against an enemy state.

Explanation

Amazon is a prime example of an E-Commerce website.

It providing a platform for online shopping, product reviews, and customer ratings.

It allows users to browse and purchase products from various categories.

Explanation

Cyber warfare refers to using technology to attack and harm an adversary's systems and infrastructure by:

• Destroying infrastructure: Disrupting critical systems and networks.
• Installing spyware: Gathering sensitive information via malicious software.
• Using technology to attack: Compromising or destroying enemy systems and data.

Explanation

Microsoft Excel is Microsoft's spreadsheet program that can be used to organize, format, and calculate data.

Explanation

Linda Yaccarino is an American media executive.

Linda Yaccarino is the CEO of Twitter since May 12, 2023.

Explanation

World Wide Web (WWW)

World-Wide Web Worm (WWWW)

English scientist Tim Berners-Lee invented the World Wide Web in 1989.

WWW Birth place CERN near Geneva, Switzerland.

The browser was released for general public in August 1991.

Explanation

"In Cloud Edit" refers to real-time collaboration on documents through cloud-based platforms.

It allows multiple users to edit a document simultaneously.

Explanation

Google+ was a social networking platform launched by Google in 2011 as an alternative to Facebook.

It aiming to connect users through circles and communities.

Explanation

Six Degrees (1997):

• Launched in 1997, it allowed users to create profiles and connect with friends, pioneering modern social networking.
• Shut down in 2001 but set the template for future platforms.