A Solutions Architect Is Helping a Developer Design a New

question 579

Multiple Choice

A solutions architect is helping a developer design a new ecommerce shopping cart application using AWS services. The developer is unsure of the current database schema and expects to make changes as the ecommerce site grows. The solution needs to be highly resilient and capable of automatically scaling read and write capacity. Which database solution meets these requirements?

• A) Amazon Aurora PostgreSQL
• B) Amazon DynamoDB with on-demand enabled
• C) Amazon DynamoDB with DynamoDB Streams enabled
• D) Amazon SQS and Amazon Aurora PostgreSQL

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Definitions:

Game Theory Matrix

A tabular representation used in game theory to display the payoffs for each player for every possible combination of strategies.

Economic Efficiency

A situation where all resources in an economy are optimally allocated to serve each individual or entity in the best way while minimizing waste and inefficiency.

Game Theory

A mathematical and logical model used to analyze strategies in competitive situations where the outcome depends critically on the actions of all participants.

High-Price Policy

A strategy where a firm sets the prices of its products or services higher than its competitors, often to signal higher quality or to cover higher costs.