Continuous integration, continuous deployment, and DevOps pipeline concepts.
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- What does CI stand for in DevOps?
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Continuous Integration- What does CD stand for in DevOps?
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Continuous Deployment or Continuous Delivery- What is a build pipeline?
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An automated sequence of stages that compiles code, runs tests, and prepares software for release- What is the purpose of a linter in the CI/CD pipeline?
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To check code for style violations and potential bugs before deployment- What is artifact storage in DevOps?
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A repository that stores compiled binaries, packages, or build outputs for deployment- What is blue-green deployment?
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A deployment strategy where two identical production environments (blue and green) are maintained, with traffic switched between them for zero-downtime releases- What is a webhook in CI/CD?
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An automated callback that triggers a pipeline when an event occurs, such as a code push- What does YAML stand for?
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YAML Ain't Markup Language- What is containerization?
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Packaging an application and its dependencies into a lightweight, isolated, executable unit- What is an infrastructure-as-code (IaC) tool?
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Software that manages and provisions infrastructure (servers, networks, storage) through code and configuration files instead of manual processes- What is the purpose of environment variables in CI/CD?
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To store sensitive data (API keys, passwords, credentials) and configuration values that differ between environments without hardcoding them- What is a release candidate (RC)?
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A build that is ready to be promoted to production pending final testing and approval- What is rollback in DevOps?
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The process of reverting a deployment to the previous stable version if issues are detected- What does immutable infrastructure mean?
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Infrastructure that is never modified after deployment, instead being replaced entirely with a new version- What is canary deployment?
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A deployment strategy where new code is rolled out to a small subset of users or servers first to test for issues before full rollout
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