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Cisco 300-445 Exam - Topic 1 Question 2 Discussion
Topic #: 1
A CPU utilization alert for Endpoint Agents is triggering too frequently, creating alert noise. Which of the following steps would help reduce the sensitivity of the alert rule? (Select two)
Alert fatigue is a major operational challenge in network assurance. To make a CPU utilization alert for Endpoint Agents less sensitive and reduce 'noise,' an engineer must implement statistical filters that ignore transient spikes or isolated events.
The two most effective methods are:
Increase the agent count (Option A): By requiring a higher number or percentage of agents to simultaneously exceed the threshold, the system ensures the alert represents a widespread environmental issue rather than a single user running a CPU-intensive background process.
Require more rounds of data (Option C): Instead of alerting on a single measurement (1 of 1 round), the engineer can configure the rule to require the threshold to be breached for multiple consecutive checks (e.g., 2 of 3 rounds). This filters out brief, non-impactful CPU spikes that occur naturally during OS updates or browser startups.
Other options would have the opposite effect:
Option B: Lowering the percentage threshold (e.g., from 90% to 50%) would cause the alert to trigger much more frequently, increasing noise.
Option D: Enabling the alert on more agents increases the pool of potential triggers, which typically leads to more notifications unless the logic in Option A is also applied.
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