Explanation:
To meet the requirement of a single static public IP address for a single EC2 instance, an Elastic IP (EIP) must be created and associated with the instance (Option D). To allow users to reach the application via example.com (a root domain), a Route 53 'A' record must be created to map the domain name to the static IP address (Option B). CNAME records are generally used for subdomains or mapping names to other names, not directly to IP addresses in Route 53 for root domains. Using an ALB (Option A) would provide a DNS name rather than a static IP, unless combined with other services like Global Accelerator, which adds complexity.
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Question 6. A company has migrated its legacy on-premises web application to an Amazon EC2 instance. The web application requires a single static public IP address to accept traffic and process requests. End users must be able to reach the web application through the example.com domain. A SysOps administrator must implement a solution that maintains the web application with the least amount of effort. Which combination of actions will meet these requirements? (Choose two.)
A
Configure an Application Load Balancer (ALB). Add the EC2 instance to a target group that is associated with the ALB.
B
Create an Amazon Route 53 A record for the associated EC2 IP address.
C
Create an Amazon Route 53 CNAME record for the associated EC2 IP address.
D
Create an Elastic IP address, and associate it with the EC2 instance.
E
Create an Auto Scaling group with a minimum capacity of 1 and a maximum capacity of 2.
F
None
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