Cloud Architecture

Question 1

A design where components have minimal dependencies on one another is called?

Answer 1

Loosely couples architecture

Question 2

Name one advantage to loosely coupled vs tightly coupled architecture

Answer 2

The failure of a single component does not cause other components to fail.

Question 3

What AWS feature ensures that the desired number of EC2 instances are running in your application even as demand for your application changes?

Answer 3

Auto scaling group

Question 4

What AWS service distributes incoming application traffic across multiple targets and virtual appliances in one or more Availability Zones?

Answer 4

Amazon Elastic Load Balancing

Question 5

What does an auto scaling group do?

Answer 5

An auto scaling group adjusts the number of Amazon EC2 instances in response to changes in demand for the application promoting availability and scalability.

Question 6

What does an Amazon Elastic Load Balancer (ELB) do?

Answer 6

An Amazon Elastic Load Balancer (ELB) enhances the availability and fault tolerance of your applications by evenly distributing traffic, ensuring that no single server or resource is overwhelmed with request.