When deploying a risky update to an application in Google App Engine that can only be tested in a live environment, what is the best strategy to minimize risk?

Real Exam

Create a new project with the new app version, and then redirect users to the new version.

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Warn users that a new app version may have issues and provide a way to contact you if there are problems.

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Deploy a new version of the application but use traffic splitting to only direct a small number of users to the new version.

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Deploy the application temporarily and be prepared to pull it back if needed.

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Google Associate Cloud Engineer