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Microsoft DevOps Engineer Expert AZ-400 Practice Question

Your Azure DevOps project contains a single-stage YAML pipeline that is triggered by every push to the main branch. During periods of high activity, developers often push several commits within a few minutes, leading to multiple runs being queued and unnecessary consumption of Microsoft-hosted agents. You must ensure that no more than one run of this pipeline executes at any time and that any in-progress or queued run is automatically cancelled when a newer commit is detected, thereby reducing agent usage charges and queue length.

Which YAML modification should you implement to meet this requirement?

  • Enable batching by adding batch: true to the continuous-integration trigger.

  • Add a root-level concurrency block that specifies a shared group name and sets cancelInProgress to true.

  • Configure the pool section with demands that set minimumParallelJobs to 1.

  • Define a retention policy with minimumRuns: 1 and days: 0 to keep only the latest successful run.

Microsoft DevOps Engineer Expert AZ-400
Design and implement build and release pipelines
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