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| Section | Objectives |
|---|---|
| Topic 1: Monitoring and Telemetry Technologies | - Data collection mechanisms
|
| Topic 2: Troubleshooting and Analysis | - Performance and fault analysis
|
| Topic 3: Automation and Data Interpretation | - Data-driven assurance workflows
|
| Topic 4: Assurance Platforms and Tools | - Cisco assurance platforms
|
| Topic 5: Enterprise Network Assurance Architecture | - Assurance concepts and methodologies
|
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NEW QUESTION # 13
What type of alert rule configuration is used to monitor SNMP traps from network devices?
Answer: D
Explanation:
Protocol-based alerts are used to monitor SNMP traps from network devices by triggering alert notifications when specific SNMP traps are received, indicating potential network issues or device failures.
NEW QUESTION # 14
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)
Answer: C,D
Explanation:
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.
NEW QUESTION # 15
An engineer configures an alert rule to trigger when an interface on a network switch goes down or when the amount of incoming traffic exceeds half the interface link speed. Drag and drop the options from the bottom onto the boxes in the alert rule configuration screen. Not all options are used.
Answer:
Explanation:
NEW QUESTION # 16
Employees and customers of a retail company are experiencing performance issues with the store website, such as slowness during the login process or failure when adding items to the cart.
Which test type is the most useful for identifying the root cause of these problems?
Answer: F
Explanation:
In the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) curriculum, selecting the appropriate test type is essential for isolating performance bottlenecks in complex web applications. When users report issues with specific multi-step workflows--such as logging into a portal or interacting with a shopping cart--the Transaction test type (Option C) is the most effective tool.
NEW QUESTION # 17
A network monitoring engineer is tasked with creating a widget that displays the average packet loss from an agent installed as a Linux package. What is the data source and measure that should be selected?
Answer: B
Explanation:
In Designing and Implementing Enterprise Network Assurance (300-445 ENNA), dashboard widgets must be mapped to the correct telemetry data source and statistical measure. When an agent is installed as a Linux package on an organization's infrastructure, it is classified as an Enterprise Agent.
The correct configuration for this widget is Cloud & Enterprise Agents and Mean (Option B).
Data Source: Since the Linux-based agent is an Enterprise Agent, it shares the same data source category as Cloud Agents in the ThousandEyes dashboard configuration menu.
Measure: To display the "average" packet loss as requested, the Mean (the arithmetic average) is the appropriate statistical measure.
NEW QUESTION # 18
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