Maintain Pipelines AZ-400 Practice Questions (Page 8)

Questions 36–40

1. 36foundation · easy

   Which strategy is most effective for reducing the cost of running Azure Pipelines by avoiding unnecessary pipeline runs?

   • AUsing path filters to trigger builds only for relevant code changes
   • BExtending artifact retention periods
   • CAdding more stages to the pipeline
   • DIncreasing the number of parallel jobs
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2. 37foundation · easy

   What is the primary benefit of migrating a classic pipeline to a YAML pipeline in Azure Pipelines?

   • AAutomatic removal of all build artifacts
   • BReduced need for agent pools
   • CVersion control of the pipeline definition
   • DGuaranteed faster execution
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4. 38expert · hard

   Your team has a classic build pipeline that uses a custom script to set variables and a separate task to run tests. The team wants to migrate to YAML to improve maintainability, but the classic pipeline has a complex variable scope that is used across multiple tasks. What is the best way to handle the variable scope in the YAML pipeline?

   • ADefine the variables in each task that uses them to avoid scope issues.
   • BUse a script task to set the variables at runtime for each job.
   • CKeep the classic pipeline because YAML cannot handle complex variable scopes.
   • DDefine the variables at the pipeline level in the YAML file so they are available to all jobs and tasks.
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5. 39application · medium

   You have a classic release pipeline with multiple stages and manual approval gates. You want to migrate it to YAML to enable pipeline-as-code and faster iterations. What should you do?

   • AUse the classic pipeline as a build step in a YAML pipeline.
   • BExport the classic pipeline to YAML using the Azure DevOps UI.
   • CRecreate the pipeline in YAML using environments and approvals.
   • DKeep the classic pipeline and create a separate YAML pipeline for new releases.
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6. 40application · medium

   A company uses Microsoft-hosted agents for all pipelines. The finance team wants to reduce the cost of the CI pipeline, which runs on every commit. The pipeline currently runs a full build and all tests on every commit. The team wants to maintain quality and reduce cost. What should you do?

   • ARun the full pipeline only on the main branch and run a faster validation pipeline on pull requests.
   • BReduce the number of tests run in the pipeline to save time.
   • CIncrease the pipeline timeout to allow more time for the build.
   • DUse a self-hosted agent that is always on to avoid per-minute charges.
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