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Question 686 - SAA-C03 discussion

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A company has a mobile app for customers The app's data is sensitive and must be encrypted at rest The company uses AWS Key Management Service (AWS KMS)

The company needs a solution that prevents the accidental deletion of KMS keys The solution must use Amazon Simple Notification Service (Amazon SNS) to send an email notification to administrators when a user attempts to delete a KMS key

Which solution will meet these requirements with the LEAST operational overhead''

A.
Create an Amazon EventBndge rule that reacts when a user tries to delete a KMS key Configure an AWS Config rule that cancels any deletion of a KMS key Add the AWS Config rule as a target of the EventBridge rule Create an SNS topic that notifies the administrators
Answers
A.
Create an Amazon EventBndge rule that reacts when a user tries to delete a KMS key Configure an AWS Config rule that cancels any deletion of a KMS key Add the AWS Config rule as a target of the EventBridge rule Create an SNS topic that notifies the administrators
B.
Create an AWS Lambda function that has custom logic to prevent KMS key deletion Create an Amazon CloudWatch alarm that is activated when a user tries to delete a KMS key Create an Amazon EventBridge rule that invokes the Lambda function when the DeleteKey operation is performed Create an SNS topic Configure the EventBndge rule to publish an SNS message that notifies the administrators
Answers
B.
Create an AWS Lambda function that has custom logic to prevent KMS key deletion Create an Amazon CloudWatch alarm that is activated when a user tries to delete a KMS key Create an Amazon EventBridge rule that invokes the Lambda function when the DeleteKey operation is performed Create an SNS topic Configure the EventBndge rule to publish an SNS message that notifies the administrators
C.
Create an Amazon EventBndge rule that reacts when the KMS DeleteKey operation is performed Configure the rule to initiate an AWS Systems Manager Automation runbook Configure the runbook to cancel the deletion of the KMS key Create an SNS topic Configure the EventBndge rule to publish an SNS message that notifies the administrators.
Answers
C.
Create an Amazon EventBndge rule that reacts when the KMS DeleteKey operation is performed Configure the rule to initiate an AWS Systems Manager Automation runbook Configure the runbook to cancel the deletion of the KMS key Create an SNS topic Configure the EventBndge rule to publish an SNS message that notifies the administrators.
D.
Create an AWS CloudTrail trail Configure the trail to delrver logs to a new Amazon CloudWatch log group Create a CloudWatch alarm based on the metric filter for the CloudWatch log group Configure the alarm to use Amazon SNS to notify the administrators when the KMS DeleteKey operation is performed
Answers
D.
Create an AWS CloudTrail trail Configure the trail to delrver logs to a new Amazon CloudWatch log group Create a CloudWatch alarm based on the metric filter for the CloudWatch log group Configure the alarm to use Amazon SNS to notify the administrators when the KMS DeleteKey operation is performed
Suggested answer: C

Explanation:

This solution meets the requirements with the least operational overhead because it uses AWS services that are fully managed and scalable. The EventBridge rule can detect the DeleteKey operation from the AWS KMS API and trigger the Systems Manager Automation runbook, which can execute a predefined workflow to cancel the key deletion. The EventBridge rule can also publish an SNS message to the topic that sends an email notification to the administrators. This way, the company can prevent the accidental deletion of KMS keys and notify the administrators of any attempts to delete them.

Option A is not a valid solution because AWS Config rules are used to evaluate the configuration of AWS resources, not to cancel the deletion of KMS keys. Option B is not a valid solution because it requires creating and maintaining a custom Lambda function that has logic to prevent KMS key deletion, which adds operational overhead. Option D is not a valid solution because it only notifies the administrators of the DeleteKey operation, but does not cancel it.

Using Amazon EventBridge rules to trigger Systems Manager Automation workflows - AWS Systems Manager

Using Amazon SNS for system-to-administrator communications - Amazon Simple Notification Service

Deleting AWS KMS keys - AWS Key Management Service

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asked 16/09/2024
Byron Lawrence
38 questions
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