A web application runs on 10 EC2 instances launched from a single customer Amazon Machine Image (AMI). The EC2 instances are behind an InternetApplication Load Balancer. Amazon Route 53 provides DNS for the application.How should a Solutions Architect automate recovery when a web server instance stops replying to request?

Question

Accepted Answer

Launch the instances in an Auto Scaling group with an Elastic Load Balancing health check.

Answer

Launch instances in multiple Availability Zones and set the load balancer to Multi-AZ.

Answer

Add CloudWatch alarm actions for each instance to restart if the Status Check (Any) fails.

Answer

Add Route 53 records for each instance with an instance health check.

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Question 192

Answers

A. Launch the instances in an Auto Scaling group with an Elastic Load Balancing health check.

B. Launch instances in multiple Availability Zones and set the load balancer to Multi-AZ.

C. Add CloudWatch alarm actions for each instance to restart if the Status Check (Any) fails.

D. Add Route 53 records for each instance with an instance health check.

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