Which action should the SysOps administrator take to meet this requirement?

A company has an internal web application that runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an Amazon EC2 Auto Scaling group in a single Availability Zone. A SysOps administrator must make the application highly available.

Which action should the SysOps administrator take to meet this requirement?
A . Increase the maximum number of instances in the Auto Scaling group to meet the capacity that is required at peak usage.
B . Increase the minimum number of instances in the Auto Scaling group to meet the capacity that is required at peak usage.
C . Update the Auto Scaling group to launch new instances in a second Availability Zone in the same AWS Region.
D . Update the Auto Scaling group to launch new instances in an Availability Zone in a second AWS Region.

View Answer

Answer: C

Explanation:

"An Auto Scaling group can contain EC2 instances in one or more Availability Zones within the same Region. However, Auto Scaling groups cannot span multiple Regions". As stated in https://docs.aws.amazon.com/autoscaling/ec2/userguide/auto-scaling-benefits.htm