An Application Reads Data from an Amazon DynamoDB Table

question 213

Multiple Choice

An application reads data from an Amazon DynamoDB table. Several times a day, for a period of 15 seconds, the application receives multiple ProvisionedThroughputExceeded errors. How should this exception be handled?

• A) Create a new global secondary index for the table to help with the additional requests.
• B) Retry the failed read requests with exponential backoff.
• C) Immediately retry the failed read requests.
• D) Use the DynamoDB "UpdateItem" API to increase the provisioned throughput capacity of the table.

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Definitions:

Extracellular Fluid

Fluid that exists outside the cells of an organism, including blood plasma, lymph, and interstitial fluid, providing a medium for transport of nutrients and waste.

Solute Concentration

The amount of a substance dissolved in a unit volume of solution, often referred to in terms of molarity, molality, or mass percent.

Hypertonic

A Hypertonic solution is one in which the concentration of solutes is greater outside the cell than inside it, leading to cell shrinkage.

Osmotic Pressure

Osmotic pressure is the pressure that must be applied to a solution to prevent the inward flow of water across a semipermeable membrane, driven by differences in solute concentration.