AZ-500 Question #37: Real Exam Question with Answer & Explanation

Question

You have an Azure subscription named Subscription1. You deploy a Linux virtual machine named VM1 to Subscription1. You need to monitor the metrics and the logs of VM1. What should you use?

Options

• Athe AzurePerformanceDiagnostics extension
• BAzure HDInsight
• CLinux Diagnostic Extension (LAD) 3.0
• DAzure Analysis Services

Explanation

Linux Diagnostic Extension (LAD) 3.0

Linux Diagnostic Extension (LAD) 3.0 is specifically designed for Linux virtual machines in Azure, enabling you to collect performance metrics, system logs, and syslog data, then forward them to Azure Monitor, Storage Accounts, or Event Hubs - making it the ideal solution for monitoring both metrics and logs on a Linux VM.

Why the distractors are wrong:

• Option A (AzurePerformanceDiagnostics): This extension is focused on diagnosing performance issues (troubleshooting), not ongoing comprehensive monitoring of metrics and logs.
• Option B (Azure HDInsight): This is a managed big data/analytics cluster service (Hadoop, Spark, etc.) and has nothing to do with VM monitoring.
• Option D (Azure Analysis Services): This is a platform-as-a-service for building analytical data models (OLAP/BI workloads), completely unrelated to VM monitoring.

Memory Tip: Think of LAD as the "Linux Agent for Diagnostics"** - just as Windows VMs use the Windows Azure Diagnostics (WAD) extension, Linux VMs use LAD. If you see a Linux VM + monitoring question, LAD is your go-to answer.

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