AWS Certified Solutions Architect – Professional SAP-C01 – Question294

Identify a benefit of using Auto Scaling for your application.

A. Your application gains better fault tolerance.
B. Your application optimizes only logistics and operations.
C. Your application receives latency requirements in every region.
D. You acquire clarity on prototypes in your application.

Correct Answer: A

Explanation:

Explanation: When you use Auto Scaling, your applications gain better fault tolerance. Auto Scaling can detect when an instance is unhealthy, terminate it, and launch an instance to replace it. You can also configure Auto Scaling to use multiple Availability Zones. If one Availability Zone becomes unavailable, Auto Scaling can launch instances in another one to compensate.
Reference:
http://docs.aws.amazon.com/AutoScaling/latest/DeveloperGuide/how-as…