A Developer Must Increase Read Performance from an Unencrypted Amazon

question 274

Multiple Choice

A developer must increase read performance from an unencrypted Amazon S3 bucket. The application requires 100,000 read requests each second. Cost-effectiveness is a priority. What would be the SIMPLEST approach to implement these requirements?

• A) Create 20 or more prefixes in Amazon S3. Place files by prefixes. Read in parallel by prefixes.
• B) Create 20 or more AWS accounts. Create a bucket in each account. Read in parallel by bucket.
• C) Deploy Memcached on Amazon EC2. Cache the files in memory. Retrieve from the Memcached cache.
• D) Copy all files to Amazon DynamoDB. Index the files with S3 metadata. Retrieve from DynamoDB.

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Definitions:

Psychophysical Study

The branch of psychology that deals with the relationships between physical stimuli and their subjective perception or psychological effects.

Absolute Threshold

The minimum stimulus intensity that an organism can detect at least 50% of the time, a concept used in sensory psychology.

Brightness

The perception of how luminous an object appears, influenced by the object's illumination and the contrast with its surroundings.

Perceptual Set

A mental predisposition to perceive one thing and not another, influenced by expectations, emotions, and experiences.