ANS-C01 · Question #83
Your organization leverages an IP Address Management (IPAM) product to manage IP address distribution. The IPAM exposes an API. Development teams use CloudFormation to provision approved reference…
The correct answer is B. AWS CloudFormation custom resource using an AWS Lambda invocation. When a custom resource is created, updated, or deleted, AWS CloudFormation sends a notification to an Amazon Simple Notification Service (Amazon SNS) topic or invokes an AWS Lambda function.
Question
Your organization leverages an IP Address Management (IPAM) product to manage IP address distribution. The IPAM exposes an API. Development teams use CloudFormation to provision approved reference architectures. At deployment time, IP addresses must be allocated to the VPC. When the VPC is deleted, the IPAM must reclaim the VPC's IP allocation. Which method allows for efficient, automated integration of the IPAM with CloudFormation?
Options
- AAWS CloudFormation parameters using the "Ref::" intrinsic function
- BAWS CloudFormation custom resource using an AWS Lambda invocation.
- CCloudFormation::OpsWorks::Stack with custom Chef configuration.
- DAWS CloudFormation parameters using the "Fn::FindInMap" intrinsic function.
How the community answered
(19 responses)- A5% (1)
- B58% (11)
- C11% (2)
- D26% (5)
Explanation
When a custom resource is created, updated, or deleted, AWS CloudFormation sends a notification to an Amazon Simple Notification Service (Amazon SNS) topic or invokes an AWS Lambda function.
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