Paper 1 · ICT
Firewalls are used to protect a communication network against
AUnauthorized attacks ✓ Correct
BVirus attacks
CData-driven attacks
DFire attacks
Correct answer: (A) Unauthorized attacks — Firewalls protect against unauthorized attacks, so that is the answer.
Explanation
★Firewalls protect against unauthorized attacks, so that is the answer.
★A firewall guards the boundary between a network and the outside.
★It blocks attempts to reach the network without permission.
★So firewalls protect a network against unauthorized attacks.
★They are not chiefly meant for viruses or physical fire.
★So the answer is unauthorized attacks.
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