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Question 366 - SCS-C01 discussion

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Which of the following is the correct sequence of how KMS manages the keys when used along with the Redshift cluster service Please select:

A.
The master keys encrypts the cluster key. The cluster key encrypts the database key. The database key encrypts the data encryption keys.
Answers
A.
The master keys encrypts the cluster key. The cluster key encrypts the database key. The database key encrypts the data encryption keys.
B.
The master keys encrypts the database key. The database key encrypts the data encryption keys.
Answers
B.
The master keys encrypts the database key. The database key encrypts the data encryption keys.
C.
The master keys encrypts the data encryption keys. The data encryption keys encrypts the database key
Answers
C.
The master keys encrypts the data encryption keys. The data encryption keys encrypts the database key
D.
The master keys encrypts the cluster key, database key and data encryption keys
Answers
D.
The master keys encrypts the cluster key, database key and data encryption keys
Suggested answer: A

Explanation:

This is mentioned in the AWS Documentation

Amazon Redshift uses a four-tier, key-based architecture for encryption. The architecture consists of data encryption keys, a database key, a cluster key, and a master key. Data encryption keys encrypt data blocks in the cluster. Each data block is assigned a randomlygenerated AES-256 key. These keys are encrypted by using the database key for the cluster. The database key encrypts data encryption keys in the cluster. The database key is a randomlygenerated AES-256 key. It is stored on disk in a separate network from the Amazon Redshift cluster and passed to the cluster across a secure channel.

The cluster key encrypts the database key for the Amazon Redshift cluster.

Option B is incorrect because the master key encrypts the cluster key and not the database key

Option C is incorrect because the master key encrypts the cluster key and not the data encryption keys Option D is incorrect because the master key encrypts the cluster key only For more information on how keys are used in Redshift, please visit the following URL:

https://docs.aws.amazon.com/kms/latest/developereuide/services-redshift.htmlThe correct answer is: The master keys encrypts the cluster key. The cluster key encrypts thedatabase key. The database key encrypts the data encryption keys. Submit your Feedback/Queries to our Experts

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asked 16/09/2024
Dominique Dusabe
42 questions
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