Join WhatsApp ChannelDaily MCQs & Exam Updates
Computer Science Medium CSS Uploaded: 13 Aug 2026

What is the primary function of a firewall?

  • A Compress files
  • B Speed up internet
  • C Store data
  • D Block unauthorized access
Correct Answer: Option D — Block unauthorized access
Explanation:
A firewall monitors and controls incoming and outgoing network traffic based on security rules, primarily to block unauthorized access to or...
Submitted by: PaperMCQs
Related MCQs