Firewalls operate by __________.
A. The pre-purchase phase.
B. isolating intranet from extranet
C. screening packets to/from the network and provide controllable filtering of network traffic.
D. none of the above.
Answer:C
Firewalls operate by __________.
A. The pre-purchase phase. B. isolating intranet from extranet C. screening packets to/from the network and provide controllable filtering of network traffic. D. none of the above.