CDP Cheat Sheet 2026

The 30 highest-yield CDP facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What does the `kubectl rollout undo` command accomplish? → It rolls back a deployment to the previous revision
2. Which of the following is a collaborative practice for managing code changes in DevOps? → Pull requests
3. When troubleshooting system architecture & design issues in Certified DevOps Practitioner, what is the BEST approach? → Systematic diagnosis starting with the most likely causes and documenting steps
4. What is the primary advantage of version controlling infrastructure code? → Ability to track changes and collaborate effectively.
5. How often should performance monitoring & optimization metrics be reviewed in Certified DevOps Practitioner? → Regularly at defined intervals with additional reviews triggered by significant events
6. Which of these is a best practice when configuring system alerts? → Set actionable, priority-based alerts to avoid alert fatigue.
7. In IaC, what does 'idempotency' refer to? → Applying the same configuration yields the same result every time.
8. In Certified DevOps Practitioner, how should data management & integration challenges be prioritized? → Based on potential impact, urgency, and alignment with strategic objectives
9. Which of the following tools is commonly used for log analysis and visualization? → Kibana
10. Which DevOps concept involves progressively routing a small percentage of production traffic to a new version before a full rollout? → Canary deployment
11. What is the benefit of integrating chatbots into DevOps collaboration tools? → They automate routine notifications and updates.
12. What does TDD (Test-Driven Development) require developers to do before writing production code? → Write a failing test first
13. What is the primary purpose of Infrastructure as Code (IaC)? → Automating infrastructure provisioning and management.
14. In Docker Compose, what does the `depends_on` directive control? → The startup order of services
15. Which of the following tools is widely used for instant team messaging in DevOps collaboration? → Slack
16. Which characteristic BEST describes a successful performance monitoring & optimization culture in Certified DevOps Practitioner? → Continuous learning where all team members actively seek improvement
17. What is the primary cultural shift DevOps promotes between development and operations teams? → Shared responsibility and collaboration across the entire software lifecycle
18. Which metric BEST indicates successful project planning & deployment in Certified DevOps Practitioner? → Achievement of defined key performance indicators and stakeholder satisfaction
19. Which tool is commonly used in US enterprises for scanning container images for known vulnerabilities in a CI/CD pipeline? → Trivy
20. What is the role of 'modules' in Terraform? → They enable code reuse and organization.
21. Which testing framework is commonly used for behavior-driven development (BDD) in DevOps pipelines? → Cucumber
22. What is the main goal of Continuous Integration (CI) in DevOps practices? → To integrate and test code frequently.
23. Which factor BEST indicates mastery of security & access control in Certified DevOps Practitioner? → The ability to adapt knowledge and skills to varying contexts while maintaining standards
24. Which factor BEST indicates mastery of troubleshooting & problem resolution in Certified DevOps Practitioner? → The ability to adapt knowledge and skills to varying contexts while maintaining standards
25. In DevOps, what is the purpose of a retrospective meeting? → To review and improve team processes.
26. Which DevOps practice involves automating the entire software release process from code commit to production? → Continuous Delivery (CD)
27. In container orchestration, what is a sidecar container pattern? → A helper container that runs alongside the main application container in the same pod
28. What does a 'rollback' in a deployment pipeline refer to? → Reverting to a previous stable version after a failed release
29. In Certified DevOps Practitioner, how should sensitive documentation & best practices be protected? → Through role-based access controls, encryption, and compliance with privacy regulations
30. What is the function of a Kubernetes ConfigMap? → To store non-confidential configuration data as key-value pairs