QuestionQ51

VerifiedRules and subpatterns

Refer to the exhibits.

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Three events are gathered over 10 minutes from two servers: Server A and Server B.

Based on the rule-subpattern settings and a 10-minute condition window, how many incidents will the servers generate?

Explanation

Rule aggregation is evaluated for each Host IP and Host Name group over the condition window. Server A has three matched events and an average CPU utilization of ((90 + 90 + 95) / 3 = 91.67), which exceeds its critical threshold of 90, so it generates one incident. Server B does not satisfy the CPU-utilization aggregate condition. FortiSIEM aggregate conditions trigger an incident only when the grouped event count and aggregate thresholds are met.

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