Multiple choice technology

Firewall filters can be used to accept, discard or reject packets based on _____. (Choose three.)

  1. protocol type

  2. MAC address

  3. TCP or UDP port

  4. source and destination IP address

Reveal answer Fill a bubble to check yourself
A,C,D Correct answer
Explanation

Firewall filters operate at Layer 3 and Layer 4, matching on protocol types, IP addresses, and port numbers. MAC addresses operate at Layer 2 and are handled by switching/bridging functions, not firewall filters.