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CBSE Class 12 Informatics Practices Question 69 of 177

Societal Impacts — Question 3

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Question 3

What is a firewall ?

(a) A wall that is reinforced and cannot catch on fire.

(b) A program that protects against viruses.

(c) A filter for an Internet connection that monitors outgoing and incoming activity.

Answer

A filter for an Internet connection that monitors outgoing and incoming activity.

Reason — A firewall is a network security system, either hardware or software-based, that controls incoming and outgoing network traffic based on set of rules.