The Microsoft AZ-400 exam, "Designing and Implementing Microsoft DevOps Solutions", is the certification exam for the Azure DevOps Engineer Expert path. It is designed for IT professionals who plan, build, and manage DevOps practices in Microsoft Azure environments. This exam matters because it validates practical skills in automation, collaboration, release management, and secure delivery pipelines. Passing AZ-400 shows that you can support modern software delivery with strong DevOps processes and Microsoft cloud technologies.
| # | Exam Topics | Sub-Topics | Approximate Weightage (%) |
|---|---|---|---|
| 1 | Develop an Instrumentation Strategy |
Application monitoring Logging and tracing Telemetry collection |
15% |
| 2 | Develop a security and compliance plan |
Security controls Compliance requirements Secrets and access management |
20% |
| 3 | Design and implement build and release pipelines |
CI/CD pipeline design Build automation Release approvals and deployment |
30% |
| 4 | Design and implement a source control strategy |
Branching strategy Repository management Pull request workflow |
15% |
| 5 | Design and implement processes and communications |
Collaboration workflows Work item tracking Team communication practices |
20% |
| Total | 100% | ||
The AZ-400 exam tests more than memorization. It measures your ability to apply DevOps concepts in real scenarios, choose the right Microsoft Azure DevOps practices, and connect technical decisions with delivery goals. Candidates need a solid understanding of build and release automation, source control, security planning, instrumentation, and team collaboration.
QA4Exam.com offers an Exam PDF with actual questions and answers plus an Online Practice Test for the Microsoft AZ-400 exam. These resources help you study with real exam-style content, verified answers, and updated material that matches the exam focus. The practice test also gives you a realistic simulation of the exam environment, so you can improve time management and answer selection under pressure. With consistent practice, you can strengthen weak areas and build the confidence needed to pass on your first attempt.
The exam is intended for professionals pursuing the Azure DevOps Engineer Expert certification and those working with DevOps practices in Microsoft Azure environments.
Yes, it can be challenging because it tests practical DevOps knowledge, pipeline design, security planning, source control, and collaboration processes.
Braindumps alone are not enough for dependable preparation. You should use them with hands-on knowledge and practice to understand the exam concepts properly.
Hands-on experience is strongly recommended because the exam focuses on real-world DevOps tasks and Microsoft Azure implementation scenarios.
They help you study actual questions and answers, practice with exam-like timing, and review verified content so you can prepare more efficiently for the first attempt.
QA4Exam.com provides an Exam PDF and an Online Practice Test, giving you flexible study options for reading, review, and timed practice.
Retake rules depend on Microsoft exam policies. It is best to review the current Microsoft exam guidelines before scheduling another attempt.
You have an Azure DevOps project that contains a build pipeline. The build pipeline uses approximately 50 open source libraries.
You need to ensure that all the open source libraries comply with your company's licensing standards.
Which service should you use?
WhiteSource provides WhiteSource Bolt, a lightweight open source security and management solution developed specifically for integration with Azure DevOps and Azure DevOps Server.
Note: WhiteSource is the leader in continuous open source software security and compliance management. WhiteSource integrates into your build process, irrespective of your programming languages, build tools, or development environments. It works automatically, continuously, and silently in the background, checking the security, licensing, and quality of your open source components against WhiteSource constantly-updated denitive database of open source repositories.
Note: Blackduck would also be a good answer, but it is not an option here.
https://www.azuredevopslabs.com/labs/vstsextend/whitesource/
You use Get for source control. You have an app named Appt.
In the main branch. you need to restore the third most recent revision of a file named App.exe.config .
How should you complete command?
Answer is as:

SIMULATION
You have a web app that connects to an Azure SQL Database named db1.
You need to configure db1 to send Query Store runtime statistics to Azure Log Analytics.
To complete this task, signin to the Microsoft Azure portal.
To enable streaming of diagnostic telemetry for a single or a pooled database, follow these steps:
1. Go to Azure SQL database resource.
2. Select Diagnostics settings.
3.Select Turn on diagnostics if no previous settings exist, or select Edit setting to edit a previous setting. You can create up to three parallel connections to stream diagnostic telemetry.
4. Select Add diagnostic setting to configure parallel streaming ofdiagnostics data to multiple resources.

5. Enter a setting name for your own reference.
6. Select a destination resource for the streaming diagnostics data: Archive to storage account, Stream to an event hub, or Send to Log Analytics.
7. For the standard, event-based monitoring experience, select the following check boxes for database diagnostics log telemetry: QueryStoreRuntimeStatistics

8. For an advanced, one-minute-based monitoring experience, select the check box for Basic metrics.
9. SelectSave.
https://docs.microsoft.com/en-us/azure/azure-sql/database/metrics-diagnostic-telemetry-logging-streaming-export-configure
You have an Azure DevOps project that produces Node Package Manager (npm) packages. Multiple projects consume the packages. You need to configure Azure Artifacts to ensure that both thelatest and pre-release versions of the packages are available for consumption. What should you do?
You have an Azure subscription that contains an Azure pipeline named Pipeline1 and a GitHub repository named Repo1, Repo1 contains Bicep modules. Pipeline1 deploys Azure resources by using the Bicep modules.
You need to ensure that all releases comply with Azure Policy before they are deployed to production.
What should you do?
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