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Exam AWS Certified SysOps Administrator - Associate topic 1 question 343 discussion

Exam question from Amazon's AWS Certified SysOps Administrator - Associate
Question #: 343
Topic #: 1
[All AWS Certified SysOps Administrator - Associate Questions]

A developer creates an AWS Lambda function that runs when an object is put into an Amazon S3 bucket. The function reformats the object and places the object back into the S3 bucket. During testing, the developer notices a recursive invocation loop. The developer asks a SysOps administrator to immediately stop the recursive invocations.

What should the SysOps administrator do to stop the loop without errors?

  • A. Delete all the objects from the S3 bucket.
  • B. Set the function’s reserved concurrency to 0.
  • C. Update the S3 bucket policy to deny access for the function.
  • D. Publish a new version of the function.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by Phat_nguyen_VN at June 25, 2023, 9:34 a.m.
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Christina666
9 months ago
Selected Answer: B
https://aws.amazon.com/blogs/compute/avoiding-recursive-invocation-with-amazon-s3-and-aws-lambda/ Monitoring applications for recursive invocation Whenever you have a Lambda function writing objects back to the same S3 bucket that triggered the event, it’s best practice to limit the scaling in the development and testing phases. Use reserved concurrency to limit a function’s scaling, for example. Setting the function’s reserved concurrency to a lower limit prevents the function from scaling concurrently beyond that limit. It does not prevent the recursion, but limits the resources consumed as a safety mechanism.
upvoted 4 times
[Removed]
8 months, 4 weeks ago
If you trigger a recursive invocation loop accidentally, you can press the “Throttle” button in the Lambda console to scale the function concurrency down to zero and break the recursion cycle.
upvoted 1 times
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[Removed]
9 months, 3 weeks ago
B. Set the function’s reserved concurrency to 0.
upvoted 2 times
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TQM__9MD
9 months, 4 weeks ago
Selected Answer: B
B is answer
upvoted 3 times
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Creature
10 months ago
Selected Answer: B
Concur with B and reference this document - https://aws.amazon.com/blogs/compute/avoiding-recursive-invocation-with-amazon-s3-and-aws-lambda/
upvoted 3 times
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Warza
10 months ago
Selected Answer: B
https://docs.aws.amazon.com/lambda/latest/dg/configuration-concurrency.html
upvoted 3 times
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Phat_nguyen_VN
10 months ago
option B
upvoted 2 times
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