Category «AWS-DevOps»

which stack state refuses UpdateStack calls?

For AWS CloudFormation, which stack state refuses UpdateStack calls? A. UPDATE_ROLLBACK_FAILED B. UPDATE_ROLLBACK_COMPLETE C. UPDATE_COMPLETE D. CREATE_COMPLETE Explanation:When a stack is in the UPDATE_ROLLBACK_FAILED state, you can continue rolling it back to return it to a working state(to UPDATE_ROLLBACK_COMPLETE). You cannot update a stack that is in the UPDATE_ROLLBACK_FAILED state.However, if you can continue to …

What is the most likely issue?

Your serverless architecture using AWS API Gateway, AWS Lambda, and AWS DynamoDB experienced a large increasein traffic to a sustained 400 requests per second, and dramatically increased in failure rates. Your requests, during normaloperation, last 500 milliseconds on average. Your DynamoDB table did not exceed 50% of provisioned throughput, and Table primary keys are designed …

How might you do this?

You need to process long-running jobs once and only once. How might you do this? A. Use an SNS queue and set the visibility timeout to long enough for jobs to process. B. Use an SQS queue and set the reprocessing timeout to long enough for jobs to process. C. Use an SQS queue and …