Microsoft
Designing and Implementing Microsoft DevOps Solutions (AZ-400) practice questions
- Questions
- 100
- Exam length
- 120 min
- Passing score
- 70
- Updated
- Instant feedback per question
- Explanation for every option
- Free, no signup
Domain coverage 5 domains
- Design and Implement Processes and Communications
- Design and Implement a Source Control Strategy
- Design and Implement Build and Release Pipelines
- Develop a Security and Compliance Plan
- Implement an Instrumentation Strategy
Sample questions 10 of 100 shown
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Q1 Design and Implement Processes and Communications
You are configuring a project dashboard in Azure DevOps. You need to configure a chart widget that measures the elapsed time for a work item to complete once it enters an active state. Which of the following widgets should you use?Cycle Time measures the time taken for a work item to move from "active" to "completed". Burnup and Burndown charts show work scope trends over time, while the Cumulative Flow Diagram shows the distribution of work items across states — none of which directly measure the active-to-completion time span. -
Q2 Design and Implement Processes and Communications
You need to evaluate whether the underlined portion is accurate. The Burnup widget measures the time that elapses from the creation of work items to their completion. If the underlined portion is accurate, select "No adjustment required." If it is inaccurate, select the accurate option.The description — "time from creation to completion" — is the definition of Lead Time, not Burnup. Burnup charts show completed and remaining work scope over time. Lead Time tracks the full journey from work item creation to completion. -
Q3 Design and Implement Processes and Communications
You are using Azure DevOps to manage build and deployment pipelines. The development team is large, and new members join regularly. You have been informed that management of users and licenses must be automated where possible. Which of the following tasks CANNOT be automated?Group membership changes, license assignment, and entitlement assignment can all be automated via the Azure DevOps REST API. However, license procurement involves commercial purchasing through agreements with Microsoft and cannot be automated programmatically — it requires human or enterprise procurement workflow involvement. -
Q4 Design and Implement Processes and Communications
A development team wants to implement DevOps practices but struggles with siloed communication between development and operations teams. Which Azure DevOps feature should they use to improve cross-team collaboration?Azure Boards provides integrated work item tracking configurable with area paths and tags to organize work across teams. Giving both development and operations visibility into shared boards breaks down silos. Separate organizations reinforce the silo problem, and email lacks the traceability needed for effective DevOps. -
Q5 Design and Implement Processes and Communications
Your organization wants to implement a feedback loop to continuously improve deployment quality. Which combination of Azure DevOps features provides the best feedback mechanism?Azure Pipelines integrated with Azure Test Plans creates a comprehensive feedback loop — pipelines automatically run tests, results feed back into the system, and failed tests can automatically create work items in Azure Boards. This closed-loop system ensures quality issues are tracked and resolved. -
Q6 Design and Implement Processes and Communications
A company needs to establish traceability from business requirements through to production deployments. Which Azure DevOps approach should they implement?Azure DevOps provides end-to-end traceability by linking work items to commits (via commit messages with #workitemID), which are then linked to builds and releases. The Deployment section in work items shows where code changes have been deployed, creating a complete audit trail from requirements to production. -
Q7 Design and Implement Processes and Communications
Your team needs to measure DevOps performance using DORA metrics. Which Azure DevOps features help track deployment frequency and lead time for changes?DORA (DevOps Research and Assessment) metrics include deployment frequency and lead time for changes. Azure Pipelines tracks deployment frequency through release history, while Azure Boards Analytics provides cycle time and lead time reports. Together these provide the data needed for DORA metrics. -
Q8 Design and Implement Processes and Communications
An organization wants to improve team effectiveness by visualizing work in progress limits. Which Azure Boards feature supports this?Azure Boards Kanban boards support Work In Progress (WIP) limits on each column. When WIP limits are exceeded, the column is highlighted, signaling the team to focus on completing work before starting new items. This Kanban practice improves flow and reduces context switching. -
Q9 Design and Implement Processes and Communications
A distributed team across multiple time zones needs to improve asynchronous communication about work status. Which approach should they implement in Azure DevOps?Azure DevOps supports asynchronous communication through work item discussions with @mentions that notify team members, automated status updates from pipeline executions, and dashboards providing real-time visibility. This allows teams in different time zones to stay informed without requiring synchronous meetings. -
Q10 Design and Implement Processes and Communications
A development team wants to optimize their value stream by identifying bottlenecks in their delivery process. Which Azure DevOps analytics feature should they use?Azure Boards Analytics provides Cumulative Flow Diagrams showing work distribution across stages over time, and cycle time trend charts showing how long work takes to complete. These visualizations help identify bottlenecks where work accumulates. Git blame shows code authorship but not process bottlenecks.
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Frequently asked questions
What specific technical pitfalls and services trip up candidates most on the AZ-400 exam?
The most demanding portion of the exam centers around YAML pipeline troubleshooting. Candidates are routinely tripped up by questions displaying slightly broken multi-stage build scripts or variable scope dependencies across Azure Pipelines and GitHub Actions. Furthermore, selecting the exact configuration variables for secret offloading using Azure Key Vault service connections, or determining the precise KQL queries needed to filter custom application exceptions within Application Insights, serve as frequent high-failure components. Our practice questions reproduce these exact failure points with step-by-step YAML debugging walkthroughs.
How do the certification expiration timelines and free renewal processes apply to this Expert credential?
Upon earning the DevOps Engineer Expert designation, your certification stays active for exactly 12 months. Microsoft opens a free online renewal eligibility window 6 months prior to the expiration date. To renew your credential for an additional year without paying a fee or retaking the proctored exam, you must complete a short, unproctored, open-book assessment via Microsoft Learn that assesses core technical shifts and tool changes that occurred during the preceding 12 months.
What is Microsoft's structural retake policy if I fail my initial attempt?
If you do not achieve a passing score on the first attempt, you must observe a strict 24-hour waiting period before rescheduling. For a third, fourth, or fifth attempt, a mandatory 14-day cooling-off window is enforced between each subsequent test date. Candidates are restricted to a maximum of 5 sittings for the same exam code within a rolling 12-month window, and each attempt requires a standard $165 USD payment unless covered by an Exam Replay voucher.
Is Microsoft Learn documentation accessible during the AZ-400 exam?
Yes. Like all Expert-level Microsoft exams, AZ-400 provides access to live Microsoft Learn documentation via a split-screen interface inside the Pearson VUE secure delivery environment. You can search and read official documentation during the exam, but external code execution sandboxes, GitHub repositories, and community forums are blocked. Our practice tests are designed to be attempted without documentation access first, building the YAML pipeline and KQL query mental models you will need to navigate the docs efficiently under time pressure.
How does the AZ-400 mock exam prepare me for YAML pipeline debugging and multi-stage CI/CD scenarios?
The mock exam includes multi-stage YAML pipeline questions where you must debug variable scope issues, correct trigger expression syntax, and configure appropriate deployment strategies (blue-green, canary, ring-based) for given risk profiles. Topics covered include Azure Pipelines and GitHub Actions YAML schema validation, Azure Key Vault service connection integration for secret retrieval, Bicep and ARM template deployment with drift detection, GitHub Advanced Security workflow configuration for SAST and SCA scanning, and KQL query authoring for Application Insights exception diagnostics. Every practice question includes a detailed walkthrough of the pipeline logic and deployment architecture decisions.
Is the AZ-400 question bank available as a downloadable PDF for offline study?
Yes, our complete AZ-400 practice test is available as a downloadable PDF package that includes all scenario-based questions, YAML debugging exercises, case studies, and detailed answer explanations. The PDF covers every domain: Design and Implement Processes and Communications (Azure Boards traceability, Mermaid diagrams), Design and Implement a Source Control Strategy (GitFlow vs. trunk-based, branch policies, Git LFS), Design and Implement Build and Release Pipelines (YAML multi-stage pipelines, blue-green deployment, Bicep IaC, self-hosted agents), Develop a Security and Compliance Plan (GitHub Advanced Security SAST/SCA, Azure Key Vault secrets, OSS licensing), and Implement an Instrumentation Strategy (Application Insights telemetry, KQL queries, synthetic monitoring). Download the PDF for offline review during commutes or in restricted network environments.
What prerequisite certifications are required for the DevOps Engineer Expert credential?
To earn the full Microsoft Certified: DevOps Engineer Expert credential, you must pass AZ-400 AND hold at least one of the following active prerequisite certifications: Azure Administrator Associate (AZ-104) or Azure Developer Associate (AZ-204). The exams can be completed in any order, but the Expert badge only unlocks once the associate prerequisite is validated. If you have not yet passed AZ-104 or AZ-204, our corresponding practice tests cover the administrator-level or developer-level skills you will need before tackling the DevOps-level CI/CD architecture decisions in AZ-400. The DevOps Engineer Expert certification is valid for 12 months and can be renewed for free via Microsoft Learn within the final 6 months.
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