A Company Running an On-Premises Application Is Migrating the Application

question 86

Multiple Choice

A company running an on-premises application is migrating the application to AWS to increase its elasticity and availability. The current architecture uses a Microsoft SQL Server database with heavy read activity. The company wants to explore alternate database options and migrate database engines, if needed. Every 4 hours, the development team does a full copy of the production database to populate a test database. During this period, users experience latency. What should a solutions architect recommend as replacement database?

• A) Use Amazon Aurora with Multi-AZ Aurora Replicas and restore from mysqldump for the test database.
• B) Use Amazon Aurora with Multi-AZ Aurora Replicas and restore snapshots from Amazon RDS for the test database.
• C) Use Amazon RDS for MySQL with a Multi-AZ deployment and read replicas, and use the standby instance for the test database.
• D) Use Amazon RDS for SQL Server with a Multi-AZ deployment and read replicas, and restore snapshots from RDS for the test database.

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Definitions:

Indifference Curve

A graph showing different bundles of goods, each measured as to quantity, between which a consumer is indifferent.

Slope

In mathematics, the measure of the steepness or incline of a line, typically defined as the ratio of the vertical change to the horizontal change.

Utility Function

An economic concept that measures preferences over a set of goods and services, reflecting satisfaction or happiness.

Indifference Curve

A graphical representation in microeconomic theory of all possible bundles of goods between which a consumer is indifferent, showing preferences of equal utility.