Exam AWS Certified SysOps Administrator - Associate topic 1 question 22 discussion

Custom resources enable you to write custom provisioning logic in templates that AWS CloudFormation runs anytime you create, update (if you changed the custom resource), or delete stacks. For example, you might want to include resources that aren't available as AWS CloudFormation resource types. You can include those resources by using custom resources. That way you can still manage all your related resources in a single stack. https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/template-custom-resources.html

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The Custom::MyCustomType is a CloudFormation custom resource type that allows you to define your own resource type using AWS Lambda-backed custom logic. This means you can use AWS Lambda functions to create and delete the custom resource. By creating a custom resource backed by an AWS Lambda function, you have the flexibility to define and orchestrate multiple AWS services as a single resource within your CloudFormation stack. The custom Lambda function can handle the logic for creating and deleting the resources across multiple services in the desired order and configuration.

The correct answer is D. You can create a custom resource type, such as Custom::MyCustomType, to meet these requirements. A custom resource allows you to write custom provisioning logic in templates that AWS CloudFormation runs anytime you create, update, or delete stacks. You can use the custom resource to create a single resource that consists of multiple AWS services and supports creation and deletion through the CloudFormation console. Received message. The correct answer is **D**. You can create a custom resource type, such as `Custom::MyCustomType`, to meet these requirements. A custom resource allows you to write custom provisioning logic in templates that AWS CloudFormation runs anytime you create, update, or delete stacks. You can use the custom resource to create a single resource that consists of multiple AWS services and supports creation and deletion through the CloudFormation console.

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