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Question 232 - SCS-C01 discussion

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An Amazon EC2 instance is denied access to a newly created AWS KMS CMK used for decrypt actions.

The environment has the following configuration:

The instance is allowed the kms:Decrypt action in its IAM role for all resources The AWS KMS CMK status is set to enabled The instance can communicate with the KMS API using a configured VPC endpoint What is causing the issue?

A.
The kms:GenerateDataKey permission is missing from the EC2 instance’s IAM role
Answers
A.
The kms:GenerateDataKey permission is missing from the EC2 instance’s IAM role
B.
The ARN tag on the CMK contains the EC2 instance’s ID instead of the instance’s ARN
Answers
B.
The ARN tag on the CMK contains the EC2 instance’s ID instead of the instance’s ARN
C.
The kms:Encrypt permission is missing from the EC2 IAM role
Answers
C.
The kms:Encrypt permission is missing from the EC2 IAM role
D.
The KMS CMK key policy that enables IAM user permissions is missing
Answers
D.
The KMS CMK key policy that enables IAM user permissions is missing
Suggested answer: D

Explanation:

In a key policy, you use "*" for the resource, which means "this CMK." A key policy applies only to the CMK it is attached to References:

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asked 16/09/2024
Koh Renbin
35 questions
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