NIST Special Publication 800-53A describes four major types of assessment objects that can be used to identify items being assessed. If the assessment covers IPS devices, which type of assessment objects is being assessed?

B. A mechanism

Explanation:

Based on the scenario it can be said that the assessment object being assessed is considered a mechanism. This is because according to the publication a mechanism is a specific piece of hardware, software or firmware that is part of a system. Therefore seeing as an IPS devices are network security devices that are used in the intrusion prevention system to detect and prevent identified threats.

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