Multiple choice

A firewall is designed to...

  1. Block viruses

  2. Block suspicious network connections

  3. Send e-mail over Port 80

  4. Allow control over your PC

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

A firewall acts as a barrier between a trusted internal network and untrusted external networks, monitoring and filtering incoming and outgoing traffic to block unauthorized connections. While it helps secure a system, blocking specific viruses within files is typically the job of antivirus software rather than a network firewall.