Free Cisco 500-420 Exam Actual Questions

The questions for 500-420 were last updated On Apr 28, 2025

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Question No. 1

A Performance Analyst has opened a database collector view. Which tab should be clicked on next to find slow queries?

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Correct Answer: B

When analyzing database performance in AppDynamics, the 'Queries' tab within the database collector view is where a Performance Analyst should navigate to find slow queries. This tab presents a list of database queries executed by the application, highlighting those with long execution times, which are potential bottlenecks impacting application performance.


AppDynamics documentation on Database Monitoring: Details the database collector feature, including how to use the Queries tab to identify and analyze slow database queries.

Question No. 2

A Performance Analyst needs to send a summary report of specific events every two hours. Which feature can enable this automated report summary?

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Correct Answer: C

To send a summary report of specific events every two hours, a Performance Analyst can use the 'Email Digests' feature in AppDynamics. This feature allows for the automated aggregation and delivery of pertinent event information at predefined intervals, ensuring stakeholders remain informed about the application's performance and significant events without the need for constant manual monitoring.


AppDynamics documentation on Alerting and Notifications: Details the configuration of email notifications and digests for events and alerts, including scheduling and content customization options.

AppDynamics documentation on Reports: Provides information on various reporting features, including the setup of automated email digests.

Question No. 3

Which two things should a Performance Analyst check if an agent has failed to register with the Controller after several minutes? (Choose two.)

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Correct Answer: B, D

If an agent fails to register with the Controller, a Performance Analyst should check the network/firewall rules to ensure that the agent can communicate with the Controller over the network. Additionally, it is crucial to verify the free license count to confirm that there are available licenses for the agent to register. Insufficient licenses or network communication barriers can prevent successful agent registration.


AppDynamics documentation on Agent Registration: Describes the prerequisites and troubleshooting steps for agent registration with the Controller.

AppDynamics documentation on Licensing: Provides details on how the licensing model works, including how to check for available licenses.

Question No. 4

Which option, in addition to "minutes since creation", would a Performance Analyst use while configuring Automatic Cleanup of stale Business Transactions?

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Correct Answer: B

When configuring Automatic Cleanup of stale Business Transactions, the 'minutes since creation' option is often paired with the 'Number of Calls' metric. This setting ensures that business transactions that have not been called within a certain timeframe and have had a negligible number of calls are automatically cleaned up, helping to maintain an organized and relevant set of business transactions in the monitoring system.


AppDynamics documentation on Business Transactions: Discusses best practices for managing business transactions, including the automatic cleanup based on time and call volume thresholds.

Question No. 5

A Business Transaction was registered and displayed on the Business Transaction Dashboard. It has continuous load on it. After an hour the Business Transaction stopped being displayed in the Business Transaction Dashboard. Which action stopped the display of the Business Transaction?

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Correct Answer: C

If a Business Transaction stops being displayed on the Business Transaction Dashboard after continuous load, it could be due to the deletion of the Business Transaction Custom Match Rule. Custom Match Rules in AppDynamics are used to define custom business transactions based on specific criteria. If such a rule is deleted, transactions that were previously identified and displayed based on that rule may no longer be recognized as distinct business transactions, leading to their disappearance from the dashboard.


AppDynamics documentation on Business Transactions: Provides insights on configuring and managing business transactions, including the use of custom match rules.