Multiple choice

___________ is the software that establishes a barrier between trusted network and untrusted network, and is generally used as a network security tool.

  1. Firefox

  2. Firewall

  3. Switch

  4. Router

  5. None of the above

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Firewall acts as a barrier between a trusted network & untrusted network through which we can prevent unauthorized access into the trusted network. Every system has its own firewall which prevents unauthorized access of other users into our system.This option is correct.