GIAC Exam GSEC Topic 7 Question 22 Discussion

NIDS stands for network-based detection system. It cannot proactively detect anomalies related to a computer. It detects network related

anomalies.

A network-based detection system (NIDS) analyzes data packets flowing through a network. It can detect malicious packets that are

designed to be overlooked by a firewall's simplistic filtering rules. It is responsible for detecting anomalous or inappropriate data that may be

considered 'unauthorized' on a network. An NIDS captures and inspects all data traffic, regardless of whether it is permitted for checking or

not.

Answer options C, D, and A are incorrect. These applications can proactively detect anomalies related to a computer.

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