Question

Firewalls are often configured to block ___________

(a) UDP traffic

(b) TCP traffic

(c) Sensitive traffic

(d) Best-effort traffic

I had been asked this question during an interview.

I need to ask this question from Network  Attacks in section Security & Physical Layer of Computer Network

Answer 1

The correct answer is (a) UDP traffic

Explanation: UDP is more vulnerable to attacks, so firewalls are often configured to block suspicious UDP traffic.