An Online Photo Application Lets Users Upload Photos and Perform

question 305

Multiple Choice

An online photo application lets users upload photos and perform image editing operations. The application offers two classes of service: free and paid. Photos submitted by paid users are processed before those submitted by free users. Photos are uploaded to Amazon S3 and the job information is sent to Amazon SQS. Which configuration should a solutions architect recommend?

• A) Use one SQS FIFO queue. Assign a higher priority to the paid photos so they are processed first.
• B) Use two SQS FIFO queues: one for paid and one for free. Set the free queue to use short polling and the paid queue to use long polling.
• C) Use two SQS standard queues: one for paid and one for free. Configure Amazon EC2 instances to prioritize polling for the paid queue over the free queue.
• D) Use one SQS standard queue. Set the visibility timeout of the paid photos to zero. Configure Amazon EC2 instances to prioritize visibility settings so paid photos are processed first.

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Definitions:

Psychological Approaches

Diverse theories and methods utilized in psychology to understand, explain, and predict human behavior and mental processes.

Mental

Refers to anything related to the mind, including processes, functions, and states of consciousness.

Biological Approach

An approach in psychology focusing on understanding human behavior through the lens of genetics, brain structures, and biochemical processes.

Psychology

The scientific study of the mind and behavior, encompassing a wide range of topics from biological influences to social pressures.