Which of the following functions does a firewall perform?
A) It ensures security by using multiple authentication strategies for employees.
B) It attracts malicious attacks to study their properties and origins.
C) It defines which IP addresses or domain should be blocked.
D) It encodes sensitive data to ensure safe transmission across unsecured networks.

Question

Quizplus · Accepted Answer

A firewall defines which IP addresses or domain should be allowed or blocked based on defined rules and policies.

Answer: A and D are incorrect.
 A firewall is not responsible for authentication strategies for employees. It also does not encode sensitive data, which is the responsibility of encryption protocols. Additionally, firewalls do not attract malicious attacks, rather they protect against them.

Which of the Following Functions Does a Firewall Perform