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Exam Professional Cloud Network Engineer All Questions

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Exam Professional Cloud Network Engineer topic 1 question 140 discussion

Actual exam question from Google's Professional Cloud Network Engineer
Question #: 140
Topic #: 1
[All Professional Cloud Network Engineer Questions]

Your organization uses a Shared VPC architecture with a host project and three service projects. You have Compute Engine instances that reside in the service projects. You have critical workloads in your on-premises data center. You need to ensure that the Google Cloud instances can resolve on-premises hostnames via the Dedicated Interconnect you deployed to establish hybrid connectivity. What should you do?

  • A. 1. Create a Cloud DNS private forwarding zone in the host project of the Shared VPC that forwards the private zone to the on-premises DNS servers.
    2. In your Cloud Router, add a custom route advertisement for the IP 35.199.192.0/19 to the on-premises environment.
  • B. 1. Create a Cloud DNS private forwarding zone in the host project of the Shared VPC that forwards the Private zone to the on-premises DNS servers.
    2. In your Cloud Router, add a custom route advertisement for the IP 169.254 169.254 to the on-premises environment.
  • C. 1. Configure a Cloud DNS private zone in the host project of the Shared VPC.
    2. Set up DNS forwarding to your Google Cloud private zone on your on-premises DNS servers to point to the inbound forwarder IP address in your host project
    3. In your Cloud Router, add a custom route advertisement for the IP 169.254 169 254 to the on-premises environment.
  • D. 1.Configure a Cloud DNS private zone in the host project of the Shared VPC.
    2. Set up DNS forwarding to your Google Cloud private zone on your on-premises DNS servers to point to the inbound forwarder IP address in your host project.
    3. Configure a DNS policy in the Shared VPC to allow inbound query forwarding with your on-premises DNS server as the alternative DNS server.
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Suggested Answer: A 🗳️
by playpacman at Dec. 1, 2022, 11:03 a.m.

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saraali
2 months, 2 weeks ago
Selected Answer: A
Option A is indeed correct because it creates a Cloud DNS private forwarding zone in the host project of the Shared VPC. This forwarding zone allows DNS queries to be directed to on-premises DNS servers for resolution. By advertising the route for 35.199.192.0/19 through the Cloud Router, Google Cloud can ensure that the DNS queries are properly routed to the on-premises environment. This setup ensures DNS resolution between Google Cloud VMs and on-premises systems through the Dedicated Interconnect, fulfilling the hybrid connectivity requirement.
upvoted 1 times
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ZODOGAM
4 months ago
Selected Answer: D
Google recommends configuring Cloud DNS private zones with DNS policies for hybrid environments, as this approach provides: Centralized DNS management. A secure and efficient way to resolve on-premises hostnames. No dependency on unrelated route advertisements.
upvoted 1 times
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shayanahmed
8 months, 1 week ago
Answer should be a combination of A and D as both contains valid steps from the linkhttps://cloud.google.com/dns/docs/best-practices#reference_architectures_for_hybrid_dns. I will go with majority
upvoted 1 times
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AzureDP900
1 year, 4 months ago
A is right https://cloud.google.com/dns/docs/zones/zones-overview
upvoted 1 times
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pfilourenco
1 year, 4 months ago
Selected Answer: A
A is the correct. We need from cloud to on-prem.
upvoted 2 times
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ccieman2016
1 year, 4 months ago
Selected Answer: A
A is correct. We need sent source address range dns forwarding 35.199
upvoted 2 times
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al_zo
1 year, 4 months ago
Selected Answer: A
Agree on A. https://cloud.google.com/dns/docs/best-practices#reference_architectures_for_hybrid_dns
upvoted 1 times
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playpacman
1 year, 5 months ago
Selected Answer: A
Forwarding zone lets you resolve on-prem entries
upvoted 4 times
Examster1
1 year, 5 months ago
Your reasoning for selecting answer A doesn’t quite make sense as they all have a forwarding zone in the answers
upvoted 1 times
playpacman
1 year, 4 months ago
A and B are forwarding zones, the others are zones
upvoted 1 times
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Examster1
1 year, 5 months ago
NVM, I think A is correct since its listing the forwarding IP address
upvoted 1 times
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