# Azure Application Insights

> Chapter 118 of the Courseiva AZ-900 curriculum — https://courseiva.com/learn/az-900/azure-application-insights

**Official objective:** 3.3 — Azure Management Governance

## Introduction

This chapter covers Azure Application Insights. AZ-900 tests under 3.3.

## Application Health Dashboard

A hospital monitors patient vitals continuously. Application Insights monitors application health: performance, failures, dependencies — enabling quick response to issues.

## Core explanation

Application Insights monitors application performance, detecting failures, slowdowns, and dependencies, providing visibility into application health and user experience.

## Real-world context

Application Insights detects a spike in failed requests, showing the database dependency is slow.

## Exam focus

Objective 3.3 expects understanding of Application Insights for application monitoring.

## Step by step

1. **Instrument application** — Application Insights SDK is added to the app.
2. **Collect telemetry** — Performance, failures, traces are collected.
3. **Monitor dashboard** — Dashboard shows application health and issues.

## Key takeaways

- Monitors application performance and failures.
- Provides visibility into user experience.
- Enables quick response to issues.

## FAQ

**What is Azure Application Insights?**

It monitors application performance, detecting failures and slowdowns, providing visibility into application health and user experience.

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Interactive version with quiz and diagrams: https://courseiva.com/learn/az-900/azure-application-insights