What is a static packet-filtering firewall used for?
A.
It analyzes network traffic at the network and transport protocol layers.
B.
It validates the fact that a packet is either a connection request or a data packet belonging to a connection.
C.
It keeps track of the actual communication process through the use of a state table.
D.
It evaluates network packets for valid data at the application layer before allowing connections.
Explanation:
There are four generations of firewall technologies including static packet-filtering
firewalls, circuit-level firewalls, application layer firewalls, and dynamic packet-filtering
firewalls. The table lists the four main types of firewall technologies:
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