Page 956 - (ISC)² CISSP Certified Information Systems Security Professional Official Study Guide
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cameras, mantraps, and alarms.
When preparing for the CISSP exam, you should be able to
identify the type of any control. For example, you should recognize
that a firewall is a preventive control because it can prevent attacks
by blocking traffic, whereas an intrusion detection system (IDS) is
a detective control because it can detect attacks in progress or after
they’ve occurred. You should also be able to identify both as
logical/technical controls.

