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Exam AWS Certified Advanced Networking - Specialty ANS-C01 All Questions

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Exam AWS Certified Advanced Networking - Specialty ANS-C01 topic 1 question 84 discussion

Exam question from Amazon's AWS Certified Advanced Networking - Specialty ANS-C01
Question #: 84
Topic #: 1
[All AWS Certified Advanced Networking - Specialty ANS-C01 Questions]

A company's AWS architecture consists of several VPCs. The VPCs include a shared services VPC and several application VPCs. The company has established network connectivity from all VPCs to the on-premises DNS servers.

Applications that are deployed in the application VPCs must be able to resolve DNS for internally hosted domains on premises. The applications also must be able to resolve local VPC domain names and domains that are hosted in Amazon Route 53 private hosted zones.

What should a network engineer do to meet these requirements?

  • A. Create a new Route 53 Resolver inbound endpoint in the shared services VPC. Create forwarding rules for the on-premises hosted domains. Associate the rules with the new Resolver endpoint and each application VPC. Update each application VPC's DHCP configuration to point DNS resolution to the new Resolver endpoint.
  • B. Create a new Route 53 Resolver outbound endpoint in the shared services VPC. Create forwarding rules for the on-premises hosted domains. Associate the rules with the new Resolver endpoint and each application VPC.
  • C. Create a new Route 53 Resolver outbound endpoint in the shared services VPCreate forwarding rules for the on-premises hosted domains. Associate the rules with the new Resolver endpoint and each application VPUpdate each application VPC's DHCP configuration to point DNS resolution to the new Resolver endpoint.
  • D. Create a new Route 53 Resolver inbound endpoint in the shared services VPC. Create forwarding rules for the on-premises hosted domains. Associate the rules with the new Resolver endpoint and each application VPC.
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Suggested Answer: B 🗳️
by Spike2020 at April 20, 2023, 8:08 p.m.
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study_aws1
Highly Voted 1 year, 6 months ago
Yes it is B). Should have been completed with DHCP Option set as AmazonProvidedDNS for resolving local VPC domain names.
upvoted 11 times
johnconnor
1 year, 3 months ago
Isn't that the answer for C? C Is B plus the DHCP?
upvoted 5 times
Jordarlu
6 months ago
https://docs.aws.amazon.com/vpc/latest/userguide/DHCPOptionSet.html#ChangingDHCPOptionsofaVPC Note After you create a DHCP option set, you can't modify it. To update the DHCP options for your VPC, you must create a new DHCP option set and then associate it with your VPC. hence, C is incorrect
upvoted 1 times
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Raphaello
Most Recent 6 months, 4 weeks ago
Selected Answer: B
B is the correct answer.
upvoted 2 times
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Arad
1 year ago
Selected Answer: B
B is the correct answer.
upvoted 1 times
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neotusca
1 year, 2 months ago
Absolutely B. I don't know why suggested answer is A.
upvoted 1 times
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evargasbrz
1 year, 2 months ago
Selected Answer: B
Definitely option B. Outbound resolver + forwarding rule
upvoted 2 times
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Pratap
1 year, 5 months ago
B, VPC DHCP option set need should be AmazonProvided DNS ( Default)
upvoted 2 times
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ITgeek
1 year, 6 months ago
Selected Answer: B
Outbound resolver + forwarding rule
upvoted 3 times
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Spike2020
1 year, 6 months ago
Answer is B you need an outboud R53 resolver to resolve on premise domains.
upvoted 3 times
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