12. Identify the Principles of DevOps Practices 200-901 Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A DevOps team deploys a new version of their application. After deployment, they notice that error rates have increased, but they are unsure which specific change caused the issue. They have centralized logging and monitoring dashboards that track application metrics and logs. What should they do to identify the root cause quickly?

   • ACorrelate the deployment time with the monitoring dashboards and logs to pinpoint the change
   • BRoll back to the previous version immediately without investigation
   • CIncrease the frequency of automated tests to catch the issue next time
   • DReview the code changes in the repository to find the bug
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2. 17application · medium

   After a major release, a DevOps team holds a retrospective to discuss what went well and what did not. They review metrics such as deployment frequency, lead time, and change failure rate. Based on this, they decide to implement automated rollback for future releases. Which DevOps principle does this activity exemplify?

   • AContinuous improvement
   • BConfiguration management
   • CContinuous integration
   • DVersion control for everything
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4. 18foundation · easy

   How do monitoring and logging practices contribute to continuous improvement in DevOps?

   • AThey ensure that code is deployed to production without human intervention
   • BThey replace the need for automated testing
   • CThey provide data and feedback that help teams identify issues and optimize performance
   • DThey automatically fix bugs in the application code
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5. 19foundation · easy

   What is the primary purpose of continuous integration (CI) in a software development workflow?

   • ATo merge code changes from multiple developers into a shared repository frequently and run automated builds and tests
   • BTo create a separate branch for each feature and merge only at the end of the project
   • CTo automatically deploy code to production after every commit
   • DTo manually review code changes before they are committed to the repository
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6. 20foundation · easy

   What is a common practice that DevOps uses to improve collaboration across teams?

   • AHaving each team maintain its own version of the deployment scripts
   • BLimiting communication to weekly status meetings
   • CUsing shared tools and chat channels for real-time communication
   • DCreating separate incident response plans for each team
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