Câu 138: AWS Certified SysOps Administrator(Old)

While creating the wait condition resource in AWS CloudFormation, a SysOps Administrator receives the error `received 0 signals out of the 1 expected from theEC2 instance`.What steps should be taken to troubleshoot this issue? (Choose two.)

1. A. Confirm from the cfn logs that the cfn-signal command was successfully run on the instance. — đáp án hiện tại
2. B. Try to re-create the stack with a different IAM user.
3. C. Check that the instance has a route to the Internet through a NAT device. — đáp án hiện tại
4. D. Update the AWS CloudFormation stack service role to have iam:PassRole permission.
5. E. Delete the existing stack and attempt to create a new once.