A Developer Has an Application That Can Upload Tens of Thousands

question 418

Multiple Choice

A Developer has an application that can upload tens of thousands of objects per second to Amazon S3 in parallel within a single AWS account. As part of new requirements, data stored in S3 must use server side encryption with AWS KMS (SSE-KMS) . After creating this change, performance of the application is slower. Which of the following is MOST likely the cause of the application latency?

• A) Amazon S3 throttles the rate at which uploaded objects can be encrypted using Customer Master Keys.
• B) The AWS KMS API calls limit is less than needed to achieve the desired performance.
• C) The client encryption of the objects is using a poor algorithm.
• D) KMS requires that an alias be used to create an independent display name that can be mapped to a CMK.

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Definitions:

Market Rate

The prevailing price or interest rate available in the open market for goods, services, or securities.

Nominal Rate

The interest rate stated on a financial product or agreement without adjustment for inflation or other factors that affect the real value of returns.

Stated Value

Stated value refers to an arbitrary value assigned to the no-par value stock by the board of directors of a company, used for accounting purposes.

Effective Yield

The total yield on an investment, taking into account all compounding periods, fees, and other factors affecting the actual return.