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:

Sensory Registers

The initial processing systems in the brain that hold incoming information from the senses for a very brief period of time.

STM

Stands for Short-Term Memory, which is the capacity for holding a small amount of information in an active, readily available state for a short period of time.

LTM

Stands for Long-Term Memory, which is the capability of the brain to store, preserve, and recall information over extended periods of time.

Sperling's Experiments

Studies conducted by George Sperling that investigated the capacity and duration of visual sensory memory.