1 Choosing an AWS Database Online Quiz Questions

True or false: Amazon Redshift is designed to be the primary database for an application's frequent, small transactional reads and writes.

True or false: When choosing DynamoDB, an application can assume arbitrary relational joins will be available and efficient.

A workload stores JSON-like documents and needs richer queries across document fields. Which AWS database service does the material suggest considering?

What RDS availability option can help provide high availability if an instance or Availability Zone fails?

A booking application must check availability and create reservations while preventing conflicting updates. Which database choice is the most appropriate starting point?

A shopping-cart service retrieves or updates each cart directly by customer or cart identifier and must handle high request volume. Which service is the best fit to evaluate first?

Executives need to compare sales across regions, products, and months using years of historical data. Which service is designed for this analytical workload?

A small application needs a familiar PostgreSQL engine and has moderate, predictable demand. Which service is a reasonable starting choice before comparing alternatives?

Select all workload requirements that point toward Amazon RDS or Aurora.

Select all statements about DynamoDB read consistency that are supported by the material.

A retailer needs to process live orders and also analyze sales trends across years of transactions. Propose a database approach for both workloads and explain how you would validate that the choices meet the retailer's needs.

A retailer needs to analyze large historical datasets with aggregations and reports. Which AWS database service is designed for this analytical workload?

An application is moving to a managed service but must continue using a familiar PostgreSQL engine. Which option is the most direct starting point?

An application stores JSON-like documents and must query across their fields. Which option is the best fit to consider?

True or false: Read replicas can help serve read traffic, but they are not a substitute for choosing an appropriate high-availability configuration.

A booking system must check availability and create a reservation while preventing conflicting updates. Which database choice is the most natural starting point?

When designing DynamoDB tables and keys, what should they be designed around?

A team is comparing databases for a workload with sharp demand peaks. Which approach is most reliable for evaluating cost?