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Exam AWS Certified Solutions Architect - Professional SAP-C02 topic 1 question 278 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional SAP-C02
Question #: 278
Topic #: 1
[All AWS Certified Solutions Architect - Professional SAP-C02 Questions]

A company plans to deploy a new private intranet service on Amazon EC2 instances inside a VPC. An AWS Site-to-Site VPN connects the VPC to the company's on-premises network. The new service must communicate with existing on-premises services. The on-premises services are accessible through the use of hostnames that reside in the company.example DNS zone. This DNS zone is wholly hosted on premises and is available only on the company's private network.

A solutions architect must ensure that the new service can resolve hostnames on the company.example domain to integrate with existing services.

Which solution meets these requirements?

  • A. Create an empty private zone in Amazon Route 53 for company.example. Add an additional NS record to the company's on-premises company.example zone that points to the authoritative name servers for the new private zone in Route 53.
  • B. Turn on DNS hostnames for the VPC. Configure a new outbound endpoint with Amazon Route 53 Resolver. Create a Resolver rule to forward requests for company.example to the on-premises name servers.
  • C. Turn on DNS hostnames for the VPConfigure a new inbound resolver endpoint with Amazon Route 53 Resolver. Configur&the on-premises DNS server to forward requests for company.example to the new resolver.
  • D. Use AWS Systems Manager to configure a run document that will install a hosts file that contains any required hostnames. Use an Amazon EventBridge rule to run the document when an instance is entering the running state.
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Suggested Answer: B 🗳️
by psyx21 at June 21, 2023, 11:32 a.m.
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bhanus
Highly Voted 10 months, 2 weeks ago
Selected Answer: B
Outbound resolver endpoints will let you query your onprem DNS Inbound resolver endpoints will let your onprem DNS server to query the AWS VPC DNS server
upvoted 13 times
gd1
10 months, 1 week ago
Option B leverages Amazon Route 53 Resolver to handle DNS resolution between the VPC and the on-premises network. By turning on DNS hostnames for the VPC, the EC2 instances will have DNS resolution capabilities. Setting up an outbound endpoint with Route 53 Resolver enables the VPC to resolve DNS queries for external domains. Creating a Resolver rule specifically for the company.example domain allows forwarding of requests for that domain to the on-premises name servers.
upvoted 4 times
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career360guru
Most Recent 5 months, 2 weeks ago
Selected Answer: B
A is incorrect. B is right answer.
upvoted 1 times
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SK_Tyagi
8 months, 2 weeks ago
Selected Answer: B
bhanus explanation spot on
upvoted 1 times
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ggrodskiy
9 months, 2 weeks ago
Correct B.
upvoted 1 times
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NikkyDicky
10 months ago
Selected Answer: B
B for sure
upvoted 1 times
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Jonalb
10 months, 1 week ago
Selected Answer: B
b its a B
upvoted 1 times
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SmileyCloud
10 months, 1 week ago
Selected Answer: B
B - Outbound. https://catalog.us-east-1.prod.workshops.aws/workshops/b4a4be0e-d4f9-4ff5-af82-ebfb86dbe46a/en-US/4-route-53-resolvers-with-active-directory/endpoints
upvoted 1 times
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shree2023
10 months, 1 week ago
Selected Answer: B
B is correct
upvoted 1 times
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bhanus
10 months, 2 weeks ago
Selected Answer: B
Outbound resolver endpoints will let you query your onprem DNS Inbound resolver endpoints will let onprem DNS query the AWS default DNS server of VPC (.2)
upvoted 2 times
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psyx21
10 months, 2 weeks ago
Selected Answer: B
Correct Answer is B
upvoted 2 times
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