Which of the following acronyms refers to a network or host based monitoring system designed to automatically alert administrators of known or suspected unauthorized activity? A. IDS
B. AES
C. TPM
D. EFS

Option A (IDS) is the correct choice.

Explanation:

Whenever questionable or unusual behavior seems to be detected, another alarm is sent out by network security equipment, which would be considered as Intrusion Detection System.SOC analysts as well as occurrence responders can address the nature but instead, develop a plan or take steps that are necessary to resolve it predicated on such notifications.

All other three alternatives are not related to the given query. So the above option is correct.

The correct answer would be a.