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Exam AWS Certified Solutions Architect - Professional All Questions

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Exam AWS Certified Solutions Architect - Professional topic 1 question 793 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 793
Topic #: 1
[All AWS Certified Solutions Architect - Professional 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 VPC. Configure a new inbound resolver endpoint with Amazon Route 53 Resolver. Configure 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 (Amazon CloudWatch Events) rule to run the document when an instance is entering the running state.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by kubala at Dec. 29, 2021, 7:32 a.m.
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andras
1 year, 7 months ago
Selected Answer: C
Inbound resolvers allow you to resolve your private Route 53 zones from off-premise. Outbound resolvers allow you to forward requests to your name servers of choice for things like AD resolution. These are common sense things that a managed DNS service that you have no choice but to use would offer.
upvoted 1 times
andras
1 year, 7 months ago
sorry... it's outbound: the new service can resolve hostnames on the company example domain to integrate with existing services.
upvoted 1 times
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Blair77
1 year, 11 months ago
Selected Answer: B
No doubt! It's BBB
upvoted 2 times
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gnic
2 years, 1 month ago
Selected Answer: B
it's B, outbound resolver https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/resolver.html
upvoted 2 times
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asfsdfsdf
2 years, 2 months ago
Selected Answer: B
B - need to resolve DNS entries from the VPC to the on-prem, already have VPN connection so forward DNS resolving query usingg outbound endpoint and rule to the DNS server of the company
upvoted 3 times
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LiamNg
2 years, 4 months ago
Answer: B Ref https://docs.amazonaws.cn/en_us/Route53/latest/DeveloperGuide/resolver-forwarding-outbound-queries.html To forward DNS queries that originate on Amazon EC2 instances in one or more VPCs to your network, you create an outbound endpoint and Route 53 Resolver rules
upvoted 4 times
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omishaaaa
2 years, 6 months ago
I think its B, since services within VPC wants to connect to on-prem network, hence a clear case of outbound traffic.
upvoted 2 times
user0001
2 years, 4 months ago
Based on the question the answer is B.
upvoted 1 times
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Bigbearcn
2 years, 8 months ago
Selected Answer: B
It's B
upvoted 2 times
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tkanmani76
2 years, 9 months ago
B it is - DNS is in on-prem and requires outbound endpoints.
upvoted 3 times
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Firelord
2 years, 9 months ago
I think it’s outbound B, the dns is on prem
upvoted 3 times
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kubala
2 years, 9 months ago
inbound resolver - C
upvoted 2 times
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