CSA Terminology

Question 1

High Availability

Answer 1

Refers to systems that are durable and likely to operate continuously without failure for a long time. For a solutions architect, this means making sure your application (hosted in AWS) is always available when a user/customer tries to access it.

Question 2

Fault Tolerance

Answer 2

Is the property that enables a system to continue operating properly n the event of the failure of one or more of its components. A fault tolerant application (in AWS) would be where one of its web server can fail, and still serve traffic to visitors (and even repair itself).

Question 3

Scalability

Answer 3

The ability of a system to easily increase in size and capacity in a cost effective way (usually based on usage demand).

Question 4

Elasticity

Answer 4

The ability for a system to increase and decrease in size (usually based on usage demand). In architecting applications, this usually referes to the ability of an application to increase and decrease server capacity on demand.

Question 5

Cost Efficient.

Answer 5

Choosing the correct options to make a system as inexpensive as possible.

Question 6

Secure

Answer 6

Following proper security guidelines and practices to secure a system.

Question 7

AWS Best Practices

Answer 7

A set of guidelines outlined by AWS that should be followed when provisioning and using their services.