Which of the following can be used in Cloudformation to coordinate the creation of stack resources. Choose 2 answers from the options given below

Answer options:

A.AWS::CloudFormation::HoldCondition
B.AWS::CloudFormation::WaitCondition
C.HoldPolicy attribute
D.CreationPolicy attribute

Answer – B and D
The AWS Documentation mentions the following
Using the AWS::CloudFormation::WaitCondition resource and CreationPolicy attribute, you can do the following:
Coordinate stack resource creation with other configuration actions that are external to the stack creation
Track the status of a configuration process
For more information on wait conditions, please refer to the below link:
http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-waitcondition.html