An architect is designing a hybrid cloud architecture. On-premises applications need to resolve DNS names of AWS resources hosted in Amazon Route 53 Private Hosted Zones. Conversely, AWS resources need to resolve on-premises DNS names. Which service should the architect use?

Answer options:

AWS Directory Service for Microsoft Active Directory

Amazon Route 53 Resolver (Inbound and Outbound Endpoints)

AWS Transit Gateway

Amazon API Gateway

How to approach this question

Identify the service for hybrid DNS resolution.

Full Answer

B.Amazon Route 53 Resolver (Inbound and Outbound Endpoints)✓ Correct

Amazon Route 53 Resolver provides Inbound Endpoints (for on-premises queries to AWS) and Outbound Endpoints (for AWS queries to on-premises), enabling seamless hybrid DNS resolution.

Common mistakes

Thinking a standard Private Hosted Zone automatically resolves on-premises without endpoints.

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Practice the full AWS Solutions Architect Professional SAP-C02 Practice Exam 2

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