SOA-C02 · Question #706
SOA-C02 Question #706: Real Exam Question with Answer & Explanation
The correct answer is C: An alias record. A Route 53 alias record lets you map a zone-apex name like example.com to an ALB DNS name. It behaves like an A/AAAA record, avoids the CNAME-at-apex restriction, and stays in sync with the ALB’s IPs automatically.
Question
A company has a microservice that runs on a set of Amazon EC2 instances. The EC2 instances run behind an Application Load Balancer (ALB). A SysOps administrator must use Amazon Route 53 to create a record that maps the ALB URL to example.com. Which type of record will meet this requirement?
Options
- AAn A record
- BAn AAAA record
- CAn alias record
- DA CNAME record
Explanation
A Route 53 alias record lets you map a zone-apex name like example.com to an ALB DNS name. It behaves like an A/AAAA record, avoids the CNAME-at-apex restriction, and stays in sync with the ALB’s IPs automatically.
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