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A company uses AWS WAF to protect its cloud infrastructure. A DevOps engineer needs to give an operations team the ability to analyze log messages from AWS WAR. The operations team needs to be able to create alarms for specific patterns in the log output. Which solution will meet these requirements with the LEAST operational overhead?
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Question 114 - DOP-C02 discussion

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A company updated the AWS Cloud Formation template for a critical business application. The stack update process failed due to an error in the updated template and AWS CloudFormation automatically began the stack rollback process Later a DevOps engineer discovered that the application was still unavailable and that the stack was in the UPDATE_ROLLBACK_FAILED state.

Which combination of actions should the DevOps engineer perform so that the stack rollback can complete successfully? (Select TWO.)

A.
Attach the AWSC loud Formation FullAccess IAM policy to the AWS CtoudFormation role.
Answers
A.
Attach the AWSC loud Formation FullAccess IAM policy to the AWS CtoudFormation role.
B.
Automatically recover the stack resources by using AWS CloudFormation drift detection.
Answers
B.
Automatically recover the stack resources by using AWS CloudFormation drift detection.
C.
Issue a ContinueUpdateRollback command from the AWS CloudFormation console or the AWS CLI.
Answers
C.
Issue a ContinueUpdateRollback command from the AWS CloudFormation console or the AWS CLI.
D.
Manually adjust the resources to match the expectations of the stack.
Answers
D.
Manually adjust the resources to match the expectations of the stack.
E.
Update the existing AWS CloudFormation stack by using the original template.
Answers
E.
Update the existing AWS CloudFormation stack by using the original template.
Suggested answer: C, D

Explanation:

https://docs.aws.amazon.com/cli/latest/reference/cloudformation/continue-update-rollback.html For a specified stack that is in the UPDATE_ROLLBACK_FAILED state, continues rolling it back to the UPDATE_ROLLBACK_COMPLETE state. Depending on the cause of the failure, you can manually fix the error and continue the rollback. By continuing the rollback, you can return your stack to a working state (the UPDATE_ROLLBACK_COMPLETE state), and then try to update the stack again.

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asked 16/09/2024
DANIEL DOYEN
33 questions
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