EC2 instances must resolve AWS resource names and internal service names.
Enable the VPC DNS features used by those instances.
Which configuration is most appropriate?
Enable the VPC enableDnsSupport and enableDnsHostnames attributes as required.
Detailed explanation
These VPC attributes enable AWS-provided DNS resolution and hostnames for eligible instances.
These VPC attributes enable AWS-provided DNS resolution and hostnames for eligible instances.
S3 is not the VPC DNS resolver.
S3 is not the VPC DNS resolver.
A public hosted zone alone does not enable the VPC DNS attributes.
A public hosted zone alone does not enable the VPC DNS attributes.
CloudFront does not provide VPC DNS attributes or a VPC resolver.
CloudFront does not provide VPC DNS attributes or a VPC resolver.
Check official documentation
Compare the following points with the official documentation.
Amazon VPC DNS attributes enableDnsSupport enableDnsHostnamesの公式説明を確認する。
What to confirm
VPC DNS属性とRoute 53ホストゾーンを区別できる。
Key points
- enableDnsSupport
- enableDnsHostnames
- VPC DNS
Notes
- Environment: AWS公式SOA-C03試験ガイドとAWS公式ドキュメントの確認
- Confirm current AWS service behavior in the official documentation.
Foundation review
VPC attribute
The DNS settings belong to the VPC and are separate from a Route 53 hosted zone.
Resolver versus zone
The resolver answers names; hosted zones define records and their visibility.