1. A key logical component of an IDS is:

A. sensors B. analyzers

C. user interface D. all of the above

2. A stateful inspection firewall ________.

A. applies a set of rules to each incoming and outgoing IP packet and then forwards or discards the packet B. controls TCP traffic by creating a directory of outbound TCP connections

C. acts as a relay of application-level traffic

D. sets up two TCP connections, one between itself and a TCP user on an inner host and one between itself and a TCP user on an outside host