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:

Underwriting

The process by which insurers or lenders assess the risk of a potential client, deciding whether to accept the risk and on what terms, thereby determining the premium or interest rate.

Tombstone

A stone marker, typically inscribed, placed over a grave.

Limit Order

Order that puts a ceiling or floor on a security purchase or sale.

Check Clearing

The process of transferring funds from the check writer's account to the recipient's account.