The common use cases for DynamoDB Fine-Grained Access Control (FGAC) are cases in which the end user wants ______.

The common use cases for DynamoDB Fine-Grained Access Control (FGAC) are cases in which the end user wants ______.
A .  to change the hash keys of the table directly
B .  to check if an IAM policy requires the hash keys of the tables directly
C .  to read or modify any code commit key of the table directly, without a middle-tier service
D .  to read or modify the table directly, without a middle-tier service

Answer: D

Explanation:

FGAC can benefit any application that tracks information in a DynamoDB table, where the end user (or application client acting on behalf of an end user) wants to read or modify the table directly, without a middle-tier service. For instance, a developer of a mobile app named Acme can use FGAC to track the top score of every Acme user in a DynamoDB table. FGAC allows the application client to modify only the top score for the user that is currently running the application.

Reference: http://aws.amazon.com/dynamodb/faqs/#security_anchor

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