A Company Wants to Host a Web Application on AWS

question 395

Multiple Choice

A company wants to host a web application on AWS that will communicate to a database within a VPC. The application should be highly available. What should a solutions architect recommend?

• A) Create two Amazon EC2 instances to host the web servers behind a load balancer, and then deploy the database on a large instance.
• B) Deploy a load balancer in multiple Availability Zones with an Auto Scaling group for the web servers, and then deploy Amazon RDS in multiple Availability Zones.
• C) Deploy a load balancer in the public subnet with an Auto Scaling group for the web servers, and then deploy the database on an Amazon EC2 instance in the private subnet.
• D) Deploy two web servers with an Auto Scaling group, configure a domain that points to the two web servers, and then deploy a database architecture in multiple Availability Zones.

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Definitions:

Net Operating Income

This refers to a company's income after operating expenses are deducted, but before interest and taxes are subtracted.

Grinding Minutes

The amount of time spent on grinding operations in the manufacturing process, often used as a measure of labor or machine use.

Variable Manufacturing Overhead

Costs in manufacturing that vary with operational output, such as indirect materials, utilities, and other expenses that increase with production volume.

Fixed Manufacturing Overhead

Regular, consistent costs associated with operating a manufacturing facility that do not vary with the level of production, such as salaries and rent.