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CBSE Class 9 Computer Applications Question 6 of 29

Cyber Safety — Question 6

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Question

Question 6

What is the purpose of a firewall ?

  1. To detect viruses on a system and prevent them from attacking it and spreading
  2. To prevent unauthorised connections coming in to and out of a network
  3. To prevent a hacker from logging on to the network
Answer

To prevent unauthorised connections coming in to and out of a network

Reason — Firewall is a program that monitors all communications and traps all illicit packets. It helps to prevent unauthorised connections coming in to and out of a network.