Deployment Environments MCQs with Answers and Explanations
Practice Deployment Environments MCQs. from DevOps subject. with solved answers and explanations. updated syllabus-based questions.
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Question 1: What is the purpose of a "staging environment" in software deployment?
A staging environment is a near-identical replica of the production environment used for final testing before a release. It allows teams to validate deployments in a realistic context without affecting live users.
Question 2: What is a "rolling deployment" strategy?
A rolling deployment gradually replaces running instances of the old version with the new version, ensuring continuous availability. It reduces risk compared to a big-bang release.
Question 3: What is a "canary release" in software deployment?
A canary release gradually exposes a new version to a small percentage of users first. If no issues arise, the release is progressively expanded to all users, reducing risk of widespread failures.
Question 4: What does the term "blue-green deployment" refer to?
Blue-green deployment uses two identical production environments (blue and green). Traffic is switched from one to the other during a release, enabling zero-downtime deployments and easy rollbacks.
Question 5: Which of the following practices improve deployment reliability?
Reliable deployments depend on testing, traceability, and recovery mechanisms like rollback.
Question 6: Which environment is normally used by developers to write and test code before release?
The development environment is where developers build and test software before deployment.
Question 7: Which environment is considered live and accessible to actual end users?
The production environment is the live environment where users access the software.
Question 8: What does rollback mean in software deployment?
Rollback restores a previous stable version if a new deployment causes problems.
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