Question

A ______ main purpose is to prohibit unauthorized access to your computer via the Internet.
1. Popup blocker
2. Firewall
3. Spyware blocker
4. Spam assassin

Answer 1

Correct Answer - Option 2 : Firewall

The correct answer Firewall.

• A firewall's main purpose is to prohibit unauthorized access to your computer via the Internet.
• In computing, a firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules.
• A firewall typically establishes a barrier between a trusted network and an untrusted network, such as the Internet.

• Tim Berners-Lee, a British scientist, invented the World Wide Web (WWW) in 1989 while working at CERN.
• The first web page address was http://info.cern.ch/hypertext/WWW/TheProject.html.
• ARPANET adopted TCP/IP on January 1, 1983.
• NCSA Mosaic ran on Windows computers was the first browser to surf the internet.