Change Control PK0-005 Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A company's production environment is experiencing performance issues after a recent deployment. The operations team needs to quickly identify the cause. What should they do first?

   • AContact the development team to write a new patch.
   • BReboot the production servers.
   • CRestore the production environment from the last backup.
   • DReview the change log and recent deployment history.
   Reveal Solution Discussion Select an answer first
2. 17application · medium

   A development team uses a CI/CD pipeline to deploy a web application. A developer commits a code change that passes automated tests but causes a critical bug in production. The team needs to quickly revert the production environment to the last known good state. Which action best supports this?

   • ARerun the failed pipeline to see if the bug is intermittent.
   • BRoll back the deployment to the previous build artifact.
   • CRestore the production database from the last backup.
   • DApply a hotfix directly to the production code.
   Reveal Solution Discussion Select an answer first
4. 18application · medium

   A software team is implementing a change to a critical application. They want to ensure that the change is traceable and can be reverted if necessary. What should they do?

   • AKeep a backup of the entire application on a USB drive.
   • BRely on the memory of the development team.
   • CUse a version control system to track all code changes.
   • DDocument the change in a shared spreadsheet.
   Reveal Solution Discussion Select an answer first
5. 19application · medium

   A development team is preparing a new release for a web application. They want to ensure that the release does not introduce any regressions. What is the best way to validate the release before deploying to production?

   • ADeploy the release directly to production and monitor for issues.
   • BDeploy the release to a staging environment and run automated tests.
   • CAsk the quality assurance team to manually test in production.
   • DRun automated tests only in the development environment.
   Reveal Solution Discussion Select an answer first
6. 20expert · hard · select all that apply

   A company wants to implement CI/CD for its web application. The team is evaluating which practices are essential for a successful CI/CD pipeline. Select all that apply.

   • AAutomated rollback capabilities
   • BDeployment to a staging environment before production
   • CVersion control for all code and configuration
   • DManual approval before every deployment to production
   • EAutomated testing at each stage
   Check answers Discussion Select an answer first