All of the Following Are Characteristics of Firewalls Except

Multiple Choice

All of the following are characteristics of firewalls except:

A) Firewalls are a barrier between a corporate intranet or other internal networks and the Internet.
B) Firewalls function by deciding what traffic to allow into and out of the network and what traffic to block.
C) Firewalls must be configured to enforce the company's security procedures and policies.
D) Network firewalls stop all viruses and most other types of malware.