A network engineer is designing a hybrid DNS setup for an AWS workload. Individual teams must be able to manage application hostnames in their development environments. The solution must integrate those application-specific hostnames with centrally managed on-premises DNS names, provide bidirectional name resolution, and minimize management overhead. Which combination of actions should the engineer take? (Choose three.)
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Correct answer: Deploy an Amazon Route 53 Resolver inbound endpoint., Deploy an Amazon Route 53 Resolver outbound endpoint., Create Amazon Route 53 private hosted zones..
Why this is the answer
To achieve bidirectional name resolution between AWS and on-premises, an Amazon Route 53 Resolver inbound endpoint allows on-premises DNS servers to resolve AWS-hosted DNS names, while an outbound endpoint enables AWS resources to resolve on-premises DNS names. Creating Amazon Route 53 private hosted zones allows individual teams to manage application hostnames within their development environments, integrating with the Resolver endpoints for resolution. Modifying the DHCP options set is incorrect because it would point all instances to a custom DNS, bypassing the Resolver. Deploying DNS proxy servers adds unnecessary complexity and management overhead. Configuring a zone transfer is not a standard or scalable method for integrating Route 53 with on-premises DNS for bidirectional resolution.
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