Identify a True Statement About Firewalls

Multiple Choice

Identify a true statement about firewalls.

A) Firewalls protect against external access and not from internal intrusions.
B) Firewalls can identify attack signatures,trace patterns,and generate alarms for the network administrator.
C) Firewalls monitor network traffic and use the "prevent,detect,and react" approach to security.
D) Firewalls cause routers to terminate connections with suspicious sources.