Application-based IDSs normally utilize information from which of the following sources?

A.
Network packets and system logs.

B.
Operating system audit trails and network packets.

C.
Operating system audit trails and system logs.

D.
Application’s transaction log files.

Explanation:
Application-based IDSs are a special subset of host-based IDSs that analyze the events
transpiring within a software application. The most common information sources used by
application-based IDSs are the application’s transaction log files.