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Exam AWS Certified Solutions Architect - Professional topic 1 question 563 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 563
Topic #: 1
[All AWS Certified Solutions Architect - Professional Questions]

A fleet of Amazon ECS instances is used to poll an Amazon SQS queue and update items in an Amazon DynamoDB database. Items in the table are not being updated, and the SQS queue is filling up. Amazon CloudWatch Logs are showing consistent 400 errors when attempting to update the table. The provisioned write capacity units are appropriately configured, and no throttling is occurring.
What is the LIKELY cause of the failure?

  • A. The ECS service was deleted.
  • B. The ECS configuration does not contain an Auto Scaling group.
  • C. The ECS instance task execution IAM role was modified.
  • D. The ECS task role was modified.
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by LunchTime at Aug. 9, 2020, 6:38 p.m.
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Nemer
Highly Voted 3 years, 7 months ago
D. Between executionRoleArn (option C) and taskRoleArn (D), only the latter is used to interact with DynamoDB. The former is used to download images or write logs to Cloudwatch. https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_definition_parameters.html Status 400 with DynamoDB. Here,probably an authn failure due to someone messing up the role. https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Programming.Errors.html#Programming.Errors.MessagesAndCodes
upvoted 36 times
MarcChartouny
3 years, 6 months ago
Nemer in Arabic means 'Tiger'... And it seems you are a real AWS Tiger Man!! #Guru_Level
upvoted 11 times
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RVivek
Most Recent 3 years, 3 months ago
D is the answer
upvoted 1 times
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GeniusMikeLiu
3 years, 4 months ago
Selected Answer: D
https://sysadmins.co.za/difference-with-ecs-task-and-execution-iam-roles-on-aws/
upvoted 2 times
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AzureDP900
3 years, 4 months ago
I will go with D, This question is part of Neal Davis practice tests.
upvoted 2 times
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backfringe
3 years, 5 months ago
I go with D
upvoted 1 times
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acloudguru
3 years, 5 months ago
Selected Answer: D
C is only for agent related tasks such as cloudwatch, secret manager ,ECR, while this is 400 error, must be something wrong between DynamoDB, so such role should be D.
upvoted 3 times
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WhyIronMan
3 years, 6 months ago
I'll go with D
upvoted 3 times
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tuananhngo
3 years, 6 months ago
D IS CORRECT
upvoted 3 times
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Waiweng
3 years, 6 months ago
it's D
upvoted 4 times
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blackgamer
3 years, 6 months ago
D is the answer.
upvoted 2 times
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certainly
3 years, 6 months ago
agree D.
upvoted 1 times
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Kian1
3 years, 6 months ago
going with D
upvoted 2 times
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Firststack
3 years, 6 months ago
D - Task role modification
upvoted 2 times
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Ebi
3 years, 6 months ago
I will go with D
upvoted 4 times
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Bulti
3 years, 6 months ago
D is the correct answer.
upvoted 1 times
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T14102020
3 years, 6 months ago
Correct is D. Task Role
upvoted 1 times
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jackdryan
3 years, 7 months ago
I'll go with D
upvoted 2 times
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C (25%)
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