AZ-801 Question #92: Real Exam Question with Answer & Explanation

Question

You have an Azure virtual machine named VM1 that runs Windows Server. When you attempt to install the Azure Performance Diagnostics extension on VM 1, the installation fails. You need to identify the cause of the installation failure. What are two possible ways to achieve the goal? Each correct answer represents a complete solution. NOTE: Each correct selection is worth one point.

Options

• ASign in to VM1 and verify the WaAppAgent.log file.
• BFrom the Azure portal, view the alerts for VM1.
• CFrom the Azure portal, view the activity log for VM1.
• DSign in to VM1 and verify the MonitorhAgent.log file.

Explanation

To identify the cause of an Azure Performance Diagnostics extension installation failure on a Windows Server VM, directly checking the WaAppAgent.log file on the VM is a primary troubleshooting step.

Common mistakes.

• B. Viewing alerts for VM1 from the Azure portal provides high-level notifications about VM health or service issues but typically does not offer specific, detailed logs for why an extension installation failed.
• C. While the Activity log for VM1 in the Azure portal will record the event of an extension installation attempt and its failure status, it usually provides only a summary error message, lacking the granular details found in the VM's agent logs.
• D. The MonitorhAgent.log is not a standard log file for general Azure VM extension failures; failures related to the core extension installation process are typically recorded by the Azure Guest Agent in the WaAppAgent.log.

Concept tested. Troubleshooting Azure VM extension installation failures

Reference. https://learn.microsoft.com/en-us/azure/virtual-machines/windows/log-files

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