Match each Azure Monitor feature to its use case.
Drag a concept onto its matching description — or click a concept then click the description.
Application performance monitoring and diagnostics
Query and analyze log data from various sources
Visualize performance metrics from Azure resources
Proactive notifications based on conditions
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Log Analytics: Collects and queries log data from Azure resources.
The correct matches are Log Analytics for log collection and querying, Application Insights for live web application monitoring, and Azure Monitor Metrics for numeric performance data. The distractors swap the definitions of Log Analytics and Application Insights.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Log Analytics: Collects and queries log data from Azure resources.
Why this is correct
Log Analytics is the Azure Monitor feature that ingests, stores, and queries structured and semi-structured log data from Azure resources using Kusto Query Language (KQL). It enables centralized analysis of diagnostic logs, activity logs, and resource logs, providing operational insights and custom alerting capabilities.
Application Insights: Monitors live web applications for performance and usage.
Why this is correct
Application Insights is the Azure Monitor application performance monitoring (APM) service that automatically traces live web applications, capturing request rates, response times, dependency calls, exceptions, and user usage metrics. It integrates distributed tracing and allows code-level diagnostics to detect performance anomalies and understand real-world user behavior.
Azure Monitor Metrics: Collects numeric performance data from Azure resources.
Why this is correct
Azure Monitor Metrics collects numeric performance data from Azure resources, such as CPU percentage, memory usage, disk I/O, and request counts, storing them as lightweight time-series with near-real-time granularity. This low-latency data is optimized for interactive charting and metric alerts, unlike log-based data intended for text-rich queries.
Log Analytics: Monitors live web applications.
Why it's wrong here
This is incorrect because monitoring live web applications—including request telemetry, page-view usage, and dependency failures—is the primary role of Application Insights, not Log Analytics. Log Analytics focuses on ingesting and querying log files from Azure resources, not on real-time user-facing application monitoring.
Application Insights: Collects and queries log data.
Why it's wrong here
This is incorrect because Application Insights is specialized for application performance monitoring and user telemetry, whereas general log collection and KQL-based querying of Azure resource logs is the core function of Log Analytics. Although Application Insights data can be queried, its purpose is application-centric telemetry, not acting as a general-purpose log analytics workspace for all Azure resources.
Go deeper
Learn chapter
Introduction to DevOps and Azure DevOps
Key term
Application Insights
Application Insights is an Azure monitoring service that helps developers detect, diagnose, and understand issues in live web applications by collecting telemetry data like requests, exceptions, and performance counters.
Key term
Azure Monitor
Azure Monitor is a cloud service that collects, analyzes, and acts on telemetry data from your Azure and on-premises resources to help you understand performance and availability.
About these practice questions
One of 823 original AZ-400 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This AZ-400 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-400 exam.