DOP-C02 · Question #371
Which of these techniques enables the fastest possible rollback times in the event of a failed deployment?
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…
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
How the community answered
(27 responses)- B4% (1)
- C4% (1)
- D93% (25)
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
Topics
Community Discussion
No community discussion yet for this question.