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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 107 discussion

Exam question from Amazon's AWS Certified Advanced Networking - Specialty ANS-C01
Question #: 107
Topic #: 1
[All AWS Certified Advanced Networking - Specialty ANS-C01 Questions]

A company is establishing connectivity between its on-premises site and an existing VPC on AWS to meet a new security requirement. According to the new requirement, all public DNS queries must use an on-premises DNS security solution. The company's security team has allowed an exception for the AWS service endpoints because the company is using VPC endpoints to access AWS services.

Which combination of steps should a network engineer take to configure the architecture to meet these requirements? (Choose three.)

  • A. Create a system rule for the domain name “.” (dot) with a target IP address of the on-premises DNS security solution.
  • B. Create a new DHCP options set that provides the IP address of the on-premises DNS security solution. Update the VPC to use this new DHCP options set.
  • C. Create an Amazon Route 53 Resolver inbound endpoint. Associate this endpoint with the VPC.
  • D. Create an Amazon Route 53 Resolver outbound endpoint. Associate this endpoint with the VPC.
  • E. Create a system rule for the domain name amazonaws.com.
  • F. Create a forwarding rule for the domain name “.” (dot) with a target IP address of the on-premises DNS security solution.
Show Suggested Answer Hide Answer
Suggested Answer: DEF 🗳️
by papercuts23 at June 10, 2023, 7:22 a.m.
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Balasmaniam
Highly Voted 1 year, 4 months ago
Selected Answer: DEF
https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/resolver-overview-DSN-queries-to-vpc.html#resolver-overview-forward-vpc-to-network-autodefined-rules
upvoted 8 times
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bluz
Most Recent 8 months, 1 week ago
Selected Answer: CDF
"According to the new requirement, all public DNS queries must use an on-premises DNS security solution." - amazonaws.com is a public domain. "the company is using VPC endpoints to access AWS services." - inbound endpoint. We don't need need System Rule because "The dot rule applies to all domain names except some AWS internal domain names and record names in private hosted zones." https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/resolver-overview-DSN-queries-to-vpc.html#resolver-overview-forward-vpc-to-network-domain-name-matches
upvoted 4 times
Blitz1
3 months, 3 weeks ago
very good. From the the same article: "If you create a conditional forwarding rule for "." (dot) or "com", we recommend that you also create a system rule for amazonaws.com. (System rules cause Resolver to locally resolve DNS queries for specific domains and subdomains.) Creating this system rule improves performance, reduces the number of queries that are forwarded to your network, and reduces Resolver charges."
upvoted 1 times
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Tofu13
1 year, 2 months ago
Selected Answer: DEF
D -Create an outbound endpoint to be able to send queries from the VPC to the on-prem DNS solution F - Forward all (=".") queries over the outbound endpoint to the on-prem solution E - Only make an exception for AWS service endpoints.
upvoted 1 times
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[Removed]
1 year, 3 months ago
Selected Answer: BDF
Do you think the system rule for the domain name amazonaws.com would only apply to queries for that specific domain name. It would not apply to other public DNS queries. I think BDF is correct...
upvoted 1 times
[Removed]
1 year, 3 months ago
edit DEF is correct Creating this system rule improves performance, reduces the number of queries that are forwarded to your network and is recommended when you create a conditional forwarding rule for “.” (dot) or “com” https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/resolver-overview-DSN-queries-to-vpc.html
upvoted 2 times
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RVD
1 year, 4 months ago
Selected Answer: DEF
Ans: DEF
upvoted 3 times
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papercuts23
1 year, 5 months ago
i think it is D E F
upvoted 2 times
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