An Application Running on Multiple Amazon EC2 Instances Pulls Messages

question 263

Multiple Choice

An application running on multiple Amazon EC2 instances pulls messages from a standard Amazon SQS queue. A requirement for the application is that all messages must be encrypted at rest. Developers are instructed to use methods that allow for centralized key management and minimize possible support requirements whenever possible. Which of the following solutions supports these requirements?

• A) Encrypt individual messages by using client-side encryption with customer managed keys, then write to the SQS queue.
• B) Encrypt individual messages by using SQS Extended Client and the Amazon S3 encryption client.
• C) Create an SQS queue, and encrypt the queue by using sewer-side encryption with AWS KMS.
• D) Create an SQS queue, and encrypt the queue by using client-side encryption.

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Definitions:

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels, a critical vital sign indicating cardiovascular health.

Superior Vena Cava

The Superior Vena Cava is a large vein that carries deoxygenated blood from the upper half of the body to the heart's right atrium.

Aorta

The largest artery in the body, originating from the left ventricle of the heart and extending down to the abdomen, where it splits into smaller arteries.

Phlebitis

Inflammation of a vein, usually in the legs, that can cause pain, swelling, redness, and sometimes leading to thrombosis.