Tutorials Microsoft Azure Tutorial
Availability Tests
Availability Tests: free step-by-step lesson with examples, common mistakes, and interview tips — part of Microsoft Azure Tutorial on Toolliyo Academy.
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Microsoft Azure Tutorial · Lesson 67 of 120
Availability Tests
Foundations & App Service ✓ → Containers & AKS ✓ → DevOps & Security → Projects
DevOps & Security · 3 — Operate · ~10 min · Monitoring
What is this?
Availability Tests is observability: metrics, logs, traces, alerts.
Why should you care?
You cannot fix what you cannot see in production.
See it live — copy this example
Use an Azure lab/free subscription. Prefer Azure CLI or Portal. Delete idle App Service plans, SQL DBs, and AKS clusters when practice is done.
# Availability Tests
# Portal: Monitor / Application Insights
# CLI idea: query failures and latencyWhat happened?
- Pick one signal (errors or latency) and define an alert threshold.
- Follow the steps below — typing the code yourself is the fastest way to learn.
Practice next
- Run the CLI/portal steps in a lab subscription.
- Write the resource names you used.
- Note estimated monthly cost for the SKU.
- Repeat in a second region (conceptually).
- Add the resource to a simple architecture diagram.
Remember
You can explain Availability Tests simply. You practiced one Azure action. You know a cost or security risk.
Availability Tests in CloudVerse
Your team applies availability tests while building on Azure.
Outcome: A concrete portal/CLI next step exists.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
Junior
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What is a build pipeline in Azure DevOps? Answer: A build pipeline in Azure DevOps automates how your code is compiled, tested, and packaged whenever you make changes. It’s part of Continuous Integration (CI) — where every code check-in triggers an automatic build to ensure nothing is broken. Example: When a developer pushes code to main, Azure Pipelines automatically compiles your .NET app, runs unit tests, and generates a build artifact (like a .zip or .dll) ready for deployment.
What is a build pipeline in Azure DevOps? Answer: A build pipeline in Azure DevOps automates how your code is compiled, tested, and packaged whenever you make changes. It’s part of Continuous Integration (CI) — where eve…
Junior
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Detailed
What is a release pipeline and how does it differ from a build pipeline? Answer: A build pipeline (CI) compiles, tests, and packages your code — it produces artifacts. A release pipeline (CD) takes those artifacts and deploys them to different environments like Dev, QA, or Production. Example: ● Build Pipeline: Compiles your .NET app and outputs a .zip file. ● Release Pipeline: Takes that .zip and deploys it to Azure App Service. So, the build pipeline = create, and release pipeline = deliver.
What is a release pipeline and how does it differ from a build pipeline? Answer: A build pipeline (CI) compiles, tests, and packages your code — it produces artifacts. A release pipeline (CD) takes those artifacts and de…
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After deployment, Azure Pipelines can report live data to App Insights (like response time, failed requests, or exceptions). Example (YAML): - task: AzureCLI@2 inputs: azureSubscription: 'MyServiceConnection' scriptType: 'bash' scriptLocation: 'inlineScript' inlineScript: | echo "Checking App Insights availability..." az monitor metrics list --resource myapp --metric requests/count Example scenario: After a new deployment, your team monitors App Insights dashboards — noticing that response times increased by 20%. They can quickly roll back or optimize performance before users notice. ✅ Pro Tip: Combine these tools for full visibility: ● Azure Pipelines logs → Diagnose build/deployment failures. ● Azure Monitor + App Insights → Track live app performance. ● Power BI / Analytics → Measure DevOps effectiveness. ● Dashboards → Share live health status with your whole team. Follow: Infrastructure as Code (IaC) & Automation 1⃣ How do you provision infrastructure in Azure using ARM, Bicep, or Terraform via Azure DevOps?
You can automate infrastructure deployment directly from Azure Pipelines using ARM templates, Bicep files, or Terraform scripts. Each option defines your infrastructure as code — meaning servers, networks, and resources…
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Modify the YAML as needed. Example (YAML): trigger: - main pool: vmImage: 'windows-latest' steps: - task: UseDotNet@2 inputs: packageType: 'sdk' version: '8.0.x' - script: dotnet restore - script: dotnet build --configuration Release - script: dotnet test --no-build --verbosity normal This pipeline restores packages, builds, and runs tests for your .NET app. 5⃣ What tasks are commonly used in .NET build pipelines?
Common tasks: UseDotNet@2 → Installs .NET SDK. NuGetCommand@2 → Restores NuGet packages. DotNetCoreCLI@2 → Builds, tests, and publishes your app. PublishBuildArtifacts@1 → Stores your compiled output. Example: .NET Core…
Junior
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Track: Bugs and tasks are managed in Azure Boards. Follow: Example: A .NET Core API gets built automatically when code is pushed to main. If tests pass, it’s deployed to staging — and after approval, to production. 5⃣ What is a project in Azure DevOps and what resources can it include?
A project in Azure DevOps is like a container for everything related to a specific application or product. It can include: Code repositories Work items (stories, bugs) Pipelines (build/release) Test cases Artifacts Examp…
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