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Exam AWS Certified Developer Associate topic 1 question 279 discussion

Exam question from Amazon's AWS Certified Developer Associate
Question #: 279
Topic #: 1
[All AWS Certified Developer Associate Questions]

A company is using Amazon OpenSearch Service to implement an audit monitoring system. A developer needs to create an AWS CloudFormation custom resource that is associated with an AWS Lambda function to configure the OpenSearch Service domain. The Lambda function must access the OpenSearch Service domain by using OpenSearch Service internal master user credentials.

What is the MOST secure way to pass these credentials to the Lambda function?

  • A. Use a CloudFormation parameter to pass the master user credentials at deployment to the OpenSearch Service domain's MasterUserOptions and the Lambda function's environment variable. Set the NoEcho attribute to true.
  • B. Use a CloudFormation parameter to pass the master user credentials at deployment to the OpenSearch Service domain's MasterUserOptions and to create a parameter in AWS Systems Manager Parameter Store. Set the NoEcho attribute to true. Create an IAM role that has the ssm GetParameter permission. Assign the role to the Lambda function. Store the parameter name as the Lambda function's environment variable. Resolve the parameter's value at runtime
  • C. Use a CloudFormation parameter to pass the master user credentials at deployment to the OpenSearch Service domain's MasterUserOptions and the Lambda function's environment variable. Encrypt the parameter's value by using the AWS Key Management Service (AWS KMS) encrypt command.
  • D. Use CloudFormation to create an AWS Secrets Manager secret. Use a CloudFormation dynamic reference to retrieve the secret's value for the OpenSearch Service domain's MasterUserOptions. Create an IAM role that has the secretsmanager:GetSecretValue permission. Assign the role to the Lambda function. Store the secret's name as the Lambda function's environment variable. Resolve the secret's value at runtime.
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Suggested Answer: D 🗳️
by k1kavi1 at Dec. 1, 2022, 10:04 a.m.
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a15ce96
1 year, 1 month ago
Selected Answer: D
I'm confused with tons of steps, but I like D because of storing creds in Secrets Manager. A, B, C options propose passing them as it is (as a parameter). It doesn't sound good.
upvoted 2 times
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CarlosC
1 year, 9 months ago
Selected Answer: B
B is just as secured
upvoted 1 times
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rcaliandro
1 year, 10 months ago
Selected Answer: D
I agree with D
upvoted 1 times
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Mom305
2 years, 3 months ago
Selected Answer: D
AWS Secrets Manager
upvoted 1 times
...
k1kavi1
2 years, 4 months ago
Selected Answer: D
Choosing D : Most secure way - AWS Secrets Manager secret
upvoted 3 times
...
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