試題詳解

1. What is the primary different between a proxy and a firewall?
(A) A proxy allows access, while a firewall denies access.
(B) A firewall uses a hardened operating system, while a proxy does not.
(C) A proxy makes application-level requests on behalf of internal users, while a firewall typically just passes through authorized traffic.
(D) A firewall is capable of successfully performing Network Address Transaction for internal clients, while a proxy is forced to reveal internal addressing schemes.