You create an Azure virtual machine named VM1 in a resource group named RG1.
You discover that VM1 performs slower than expected.
You need to capture a network trace on VM1.
What should you do?
A. From the VM1 blade, configure Connection troubleshoot.
B. From Diagnostic settings for VM1, configure the performance counters to include network counters.
C. From the VM1 blade, install performance diagnostics and run advanced performance analysis.
D. From Diagnostic settings for VM1, configure the log level of the diagnostic agent.
Correct Answer: C
Explanation/Reference:
The performance diagnostics tool helps you troubleshoot performance issues that can affect a Windows or Linux virtual machine (VM). Supported troubleshooting scenarios include quick checks on known issues and best practices, and complex problems that involve slow VM performance or high usage of CPU, disk space, or memory.
Advanced performance analysis, included in the performance diagnostics tool, includes all checks in the performance analysis, and collects one or more of the traces, as listed in the following sections. Use this scenario to troubleshoot complex issues that require additional traces. Running this scenario for longer periods will increase the overall size of diagnostics output, depending on the size of the VM and the trace options that are selected.
Reference:
https://docs.microsoft.com/en-us/azure/virtual-machines/troubleshooting/performance-diagnostics
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