Which status represents a failure state in AWS CloudFormation?
A.
UPDATE_COMPLETE_CLEANUP_IN_PROGRESS
B.
DELETE_COMPLETE_WITH_ARTIFACTS
C.
ROLLBACK_IN_PROGRESS
D.
ROLLBACK_FAILED
Explanation:
ROLLBACK_IN_PROGRESS means an UpdateStack operation failed and the stack is in the process of trying to return
to the valid, pre-update state. UPDATE_COMPLETE_CLEANUP_IN_PROGRESS means an update was successful,
and CloudFormation is deleting any replaced, no longer used resources. ROLLBACK_FAILED is not a CloudFormation
state (but UPDATE_ROLLBACK_FAILED is). DELETE_COMPLETE_WITH_ARTIFACTS does not exist at all.
http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks.html
C
For cloud formation life cycle go through the following URL
http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks.html
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C
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I think the answer is wrong, the answer should be D:
http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-describing-stacks.html
ROLLBACK_FAILED is a state of CF and reflect an error when delete or view the stack.
ROLLBACK_IN_PROGRESS also can represent cancelled stack creation.
The answer should be D
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ROLLBACK_IN_PROGRESS does not mean CloudFormation failed – it could mean I failed to specify a working solution.
ROLLBACK_FAILED means CloudFormation failed to carry out a valid operation – rolling back changes it attempted to introduce but could not complete.
D.
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Answer C.
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