Google Cloud Professional Cloud DevOps Engineer — Question 78

Your development team has created a new version of their service's API. You need to deploy the new versions of the API with the least disruption to third-party developers and end users of third-party installed applications. What should you do?

Answer options

• A. Introduce the new version of the API. Announce deprecation of the old version of the API. Deprecate the old version of the API. Contact remaining users of the old API. Provide best effort support to users of the old API. Turn down the old version of the API.
• B. Announce deprecation of the old version of the API. Introduce the new version of the API. Contact remaining users on the old API. Deprecate the old version of the API. Turn down the old version of the API. Provide best effort support to users of the old API.
• C. Announce deprecation of the old version of the API. Contact remaining users on the old API. Introduce the new version of the API. Deprecate the old version of the API. Provide best effort support to users of the old API. Turn down the old version of the API.
• D. Introduce the new version of the API. Contact remaining users of the old API. Announce deprecation of the old version of the API. Deprecate the old version of the API. Turn down the old version of the API. Provide best effort support to users of the old API.

Correct answer: A

Explanation

The correct answer, A, outlines a clear strategy which prioritizes the introduction of the new API version while ensuring the old version is supported until users transition. Other options either reverse the order of operations or lack a structured approach to provide continued support, which may lead to confusion among users and disrupt their experience.