Explanation:
To make the application highly available, the application must be distributed across multiple Availability Zones in the same AWS Region. Updating the Auto Scaling group to launch instances in a second Availability Zone achieves high availability by ensuring that if one Availability Zone goes down, the application remains available in the other.
Question #26
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 CloudOps engineer must make the application highly available.
Which action should the CloudOps engineer 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.
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