A _____ can forward or block packets based on the information in the network layer and transport layer header.
A. Proxy firewall
B. Firewall
C. Packet filter firewall
D. Message digests firewall
Answer:A
A _____ can forward or block packets based on the information in the network layer and transport layer header.
A. Proxy firewall B. Firewall C. Packet filter firewall D. Message digests firewall