A company uses an AWS CloudFormation template to provision an Amazon EC2 instance and an Amazon RDS DB instance. A SysOps administrator must update the template to ensure that the DB instance is created before the EC2 instance is launched.
What should the SysOps administrator do to meet this requirement?
A . Add a wait condition to the template. Update the EC2 instance user data script to send a signal after the EC2 instance is started.
B . Add the DependsOn attribute to the EC2 instance resource, and provide the logical name of the RDS resource.
C . Change the order of the resources in the template so that the RDS resource is listed before the EC2 instance resource.
D . Create multiple templates. Use AWS CloudFormation StackSets to wait for one stack to complete before the second stack is created.
Answer: B
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