Firewalls:
A)Prevent internal users from accessing unacceptable web sites through the intranet
B)Permit internal users direct access to the Internet to accomplish B2B transactions
C)Prevent vendors from viewing inventory levels via the intranet
D)Prevent external users from accessing the extranet or intranet

Question

Quizplus · Accepted Answer

Firewalls are designed to prevent unauthorized access to networks, so it makes sense that their primary function is to prevent external users from accessing internal networks (intranet) or shared networks with authorized partners (extranet). The other choices are not the primary purpose of firewalls.