Which Option for the Use of the AWS Key Management

question 141

Multiple Choice

Which option for the use of the AWS Key Management Service (KMS) supports key management best practices that focus on minimizing the potential scope of data exposed by a possible future key compromise?

• A) Use KMS automatic key rotation to replace the master key, and use this new master key for future encryption operations without re-encrypting previously encrypted data.
• B) Generate a new Customer Master Key (CMK), re-encrypt all existing data with the new CMK, and use it for all future encryption operations.
• C) Change the CMK alias every 90 days, and update key-calling applications with the new key alias.
• D) Change the CMK permissions to ensure that individuals who can provision keys are not the same individuals who can use the keys.

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Definitions:

Characteristics

Features or qualities that distinguish one thing from another, used to describe unique aspects of individuals, objects, or concepts.

Short-run Supply Curve

A graphical representation showing the quantity of goods and services that producers are willing to sell at each possible price level, over a short time period where some production factors are fixed.

Long-run Supply Curve

A graphical representation showing the relationship between the price of a good and the quantity supplied over a long period, considering all possible changes in inputs and technology.

Elastic

Elastic refers to the responsiveness of the quantity demanded or supplied of a good or service to a change in its price, with high elasticity meaning significant responsiveness.