CI/CD Pipelines CV0-004 Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A rapidly growing startup has a CI/CD pipeline that runs on a single Jenkins server. The number of builds and developers is increasing, and builds are taking longer due to resource contention. The team wants to scale the pipeline without significant infrastructure management overhead. Which solution is most appropriate?

   • ASet up a second Jenkins server and manually distribute builds.
   • BIncrease the memory of the Jenkins server.
   • CMigrate to a cloud-based CI/CD service like GitHub Actions or CircleCI.
   • DAdd more executors to the existing Jenkins server.
   Reveal Solution Discussion Select an answer first
2. 17expert · hard

   A company has a mix of legacy applications that require specific build environments and modern applications that use containers. They want a single CI/CD platform that can handle both types. The platform must support custom build environments and be able to scale. Which tool is most suitable?

   • ACircleCI with Docker executors only.
   • BGitLab CI with only container-based runners.
   • CGitHub Actions with only hosted runners.
   • DJenkins with a combination of static agents and dynamic container agents.
   Reveal Solution Discussion Select an answer first
4. 18foundation · easy

   Which of the following is a common output of a build automation step?

   • AA source code commit
   • BA compiled binary or package
   • CA test report
   • DA deployment configuration
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5. 19expert · hard

   A company uses blue-green deployments for their application. After switching traffic to the green environment, they notice a significant increase in error rates. They want to roll back quickly. What is the most efficient action?

   • ARestore the database from a backup.
   • BRedeploy the previous version to the green environment.
   • CSwitch traffic back to the blue environment.
   • DScale down the green environment.
   Reveal Solution Discussion Select an answer first
6. 20application · medium

   A DevOps team wants to monitor the performance of their CI/CD pipeline. They need to track the duration of each stage (build, test, deploy), identify bottlenecks, and receive alerts when a stage exceeds a threshold. Which approach should they take?

   • AReview pipeline logs manually after each run.
   • BRely on developers to report slow builds.
   • CInstrument the pipeline to emit metrics to a monitoring system like Prometheus and set up alerts.
   • DUse a stopwatch to time each stage during testing.
   Reveal Solution Discussion Select an answer first