Question 700
A second organization repeatedly compiles unchanged common libraries in every parallel job. Which unsupported assumption should the engineer challenge FIRST?
Explanation
Correct Answer
A cache hit should not be trusted when its key ignores changed dependency manifests. This is the relevant unsupported assumption because caching improves build cost only if cached inputs remain valid for the current revision.
Incorrect Answers
This caution is valid in design and implement deployments, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: A cache hit should not be trusted when its key ignores changed dependency manifests.
This caution is valid in design and implement a package management strategy, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: A cache hit should not be trusted when its key ignores changed dependency manifests.
This caution is valid in design and implement a package management strategy, but it is not the failure assumption illustrated by this scenario. The directly relevant risk is: A cache hit should not be trusted when its key ignores changed dependency manifests.






Designing and Implementing Microsoft DevOps Solutions (AZ-400) Practice Tests