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Question 822 - SAP-C01 discussion

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A company is migrating mobile banking applications to run on Amazon EC2 instances in a VPC. Backend service applications run in an on-premises data center. The data center has an AWS Direct Connect connection into AWS. The applications that run in the VPC need to resolve DNS requests to an on-premises Active Directory domain that runs in the data center. Which solution will meet these requirements with the LEAST administrative overhead?

A.
Provision a set of EC2 instances across two Availability Zones in the VPC as caching DNS servers to resolve DNS queries from the application servers within the VPC.
Answers
A.
Provision a set of EC2 instances across two Availability Zones in the VPC as caching DNS servers to resolve DNS queries from the application servers within the VPC.
B.
Provision an Amazon Route 53 private hosted zone. Configure NS records that point to on-premises DNS servers.
Answers
B.
Provision an Amazon Route 53 private hosted zone. Configure NS records that point to on-premises DNS servers.
C.
Create DNS endpoints by using Amazon Route 53 Resolver Add conditional forwarding rules to resolve DNS namespaces between the on-premises data center and the VPC.
Answers
C.
Create DNS endpoints by using Amazon Route 53 Resolver Add conditional forwarding rules to resolve DNS namespaces between the on-premises data center and the VPC.
D.
Provision a new Active Directory domain controller in the VPC with a bidirectional trust between this new domain and the on-premises Active Directory domain.
Answers
D.
Provision a new Active Directory domain controller in the VPC with a bidirectional trust between this new domain and the on-premises Active Directory domain.
Suggested answer: B

Explanation:

Reference: https://aws.amazon.com/blogs/security/how-to-set-up-dns-resolution-between-on-premises-networks-and-awsusing-aws-directory-service-and-amazon-route-53/

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asked 16/09/2024
Sandesh Somaiah
39 questions
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