DOP-C02 · Question #371
DOP-C02 Question #371: Real Exam Question with Answer & Explanation
The correct answer is D: Blue-Green. AWS specifically recommends Blue-Green for super-fast, zero-downtime deploys - and thus rollbacks, which are redeploying old code. You use various strategies to migrate the traffic from your current application stack (blue) to a new version of the application (green). This is a p
Question
Which of these techniques enables the fastest possible rollback times in the event of a failed deployment?
Options
- ARolling; Immutable
- BRolling; Mutable
- CCanary or A/B
- DBlue-Green
Explanation
AWS specifically recommends Blue-Green for super-fast, zero-downtime deploys - and thus rollbacks, which are redeploying old code. You use various strategies to migrate the traffic from your current application stack (blue) to a new version of the application (green). This is a popular technique for deploying applications with zero downtime. https://d0.awsstatic.com/whitepapers/overview-of-deployment-options-onaws.pdf
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