A firewall may also help prevent some Trojan horses from leveraging the local network through unauthorized service ports called ____.
A) back doors
B) application proxies
C) perimeters
D) content locks

Question

Quizplus · Accepted Answer

Back doors are unauthorized service ports that may be exploited by Trojan horses. Firewalls can help prevent such exploitation by blocking access to these ports. Application proxies are not related to this concept. Perimeters and content locks are not specific to Trojan horses and do not apply to this scenario.

A Firewall May Also Help Prevent Some Trojan Horses from Leveraging