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SAA-C03 · Question #463

A company runs an application in a VPC on AWS. The company's on-premises data center has a DNS server. The data center is connected to AWS through an AWS Direct Connect connection with a private…

The correct answer is D. Create an Amazon Route 53 Resolver inbound endpoint in the VPC. Configure the on-premises. When on-premises DNS servers need to resolve private DNS names in a VPC, the correct pattern is to create a Route 53 Resolver inbound endpoint. The inbound endpoint allows DNS queries to flow from the on-premises environment into the VPC, where Route 53 can resolve VPC-specific…

Submitted by javi_es· Mar 4, 2026Design Secure Architectures

Question

A company runs an application in a VPC on AWS. The company's on-premises data center has a DNS server. The data center is connected to AWS through an AWS Direct Connect connection with a private virtual interface (VIF). The on-premises DNS server needs to resolve the DNS name of the application in the VPC. Which solution will meet this requirement?

Options

  • ASet up AWS Verified Access endpoints in the VPC. Configure DNS forwarding rules in Verified
  • BConfigure the Direct Connect connection to enable DNS resolution between the on-premises
  • CCreate an Amazon Route 53 Resolver outbound endpoint and a Resolver rule in the VPC.
  • DCreate an Amazon Route 53 Resolver inbound endpoint in the VPC. Configure the on-premises

How the community answered

(51 responses)
  • A
    16% (8)
  • B
    10% (5)
  • C
    4% (2)
  • D
    71% (36)

Explanation

When on-premises DNS servers need to resolve private DNS names in a VPC, the correct pattern is to create a Route 53 Resolver inbound endpoint. The inbound endpoint allows DNS queries to flow from the on-premises environment into the VPC, where Route 53 can resolve VPC-specific names (such as private hosted zones or private resource records). Outbound endpoints (C) are for sending VPC DNS queries to on-premises, not the reverse. Verified Access (A) is unrelated to DNS resolution. Direct Connect (B) provides network connectivity but does not provide DNS forwarding capabilities. Therefore, option D is the correct design.

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