Multiple choice

Software that performs a barrier between a potential attack and the computer system

  1. Anti Virus

  2. Firewall

  3. Windows Update

  4. Disk Defragmenter

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

A firewall acts as a protective barrier between a computer or local network and external networks like the internet. It monitors incoming and outgoing traffic and blocks unauthorized access based on predefined security rules.