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Question 729 - SAA-C03 discussion

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A company stores sensitive data in Amazon S3 A solutions architect needs to create an encryption solution The company needs to fully control the ability of users to create, rotate, and disable encryption keys with minimal effort for any data that must be encrypted.

Which solution will meet these requirements?

A.
Use default server-side encryption with Amazon S3 managed encryption keys (SSE-S3) to store the sensitive data
Answers
A.
Use default server-side encryption with Amazon S3 managed encryption keys (SSE-S3) to store the sensitive data
B.
Create a customer managed key by using AWS Key Management Service (AWS KMS). Use the new key to encrypt the S3 objects by using server-side encryption with AWS KMS keys (SSE-KMS).
Answers
B.
Create a customer managed key by using AWS Key Management Service (AWS KMS). Use the new key to encrypt the S3 objects by using server-side encryption with AWS KMS keys (SSE-KMS).
C.
Create an AWS managed key by using AWS Key Management Service {AWS KMS) Use the new key to encrypt the S3 objects by using server-side encryption with AWS KMS keys (SSE-KMS).
Answers
C.
Create an AWS managed key by using AWS Key Management Service {AWS KMS) Use the new key to encrypt the S3 objects by using server-side encryption with AWS KMS keys (SSE-KMS).
D.
Download S3 objects to an Amazon EC2 instance. Encrypt the objects by using customer managed keys. Upload the encrypted objects back into Amazon S3.
Answers
D.
Download S3 objects to an Amazon EC2 instance. Encrypt the objects by using customer managed keys. Upload the encrypted objects back into Amazon S3.
Suggested answer: B

Explanation:

Understanding the Requirement: The company needs to control the creation, rotation, and disabling of encryption keys for data stored in S3 with minimal effort.

Analysis of Options:

SSE-S3: Provides server-side encryption using S3 managed keys but does not offer full control over key management.

Customer managed key with AWS KMS (SSE-KMS): Allows the company to fully control key creation, rotation, and disabling, providing a high level of security and compliance.

AWS managed key with AWS KMS (SSE-KMS): While it provides some control, it does not offer the same level of granularity as customer-managed keys.

EC2 instance encryption and re-upload: This approach is operationally intensive and does not leverage AWS managed services for efficient key management.

Best Solution:

Customer managed key with AWS KMS (SSE-KMS): This solution meets the requirement for full control over encryption keys with minimal operational overhead, leveraging AWS managed services for secure key management.

AWS Key Management Service (KMS)

Amazon S3 Encryption

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asked 16/09/2024
Vahit Erciyas
44 questions
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