A Company Uses Amazon S3 to Store Documents That May

question 803

Multiple Choice

A company uses Amazon S3 to store documents that may only be accessible to an Amazon EC2 instance in a certain virtual private cloud (VPC) . The company fears that a malicious insider with access to this instance could also set up an EC2 instance in another VPC to access these documents. Which of the following solutions will provide the required protection?

• A) Use an S3 VPC endpoint and an S3 bucket policy to limit access to this VPC endpoint.
• B) Use EC2 instance profiles and an S3 bucket policy to limit access to the role attached to the instance profile.
• C) Use S3 client-side encryption and store the key in the instance metadata.
• D) Use S3 server-side encryption and protect the key with an encryption context.

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Definitions:

Parallel Forms Reliability

A measure of reliability obtained by administering different versions of an assessment tool to the same group of individuals and correlating the results.

Internal Consistency Reliability

A measure of the extent to which all items in a test measure the same concept or construct.

Test-Retest Reliability

A measure of consistency where the same test is administered to the same participants at two different points in time to assess the stability of the results.

Interrater Reliability

The degree of agreement among different raters or observers assessing the same phenomenon, reflecting the consistency of their measurements.