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Exam Professional Cloud Network Engineer topic 1 question 225 discussion

Actual exam question from Google's Professional Cloud Network Engineer
Question #: 225
Topic #: 1
[All Professional Cloud Network Engineer Questions]

Your organization is connecting their Shared VPC network to their on-premises data center by using Dedicated Interconnect to provide connectivity to all of its service projects. You need to create a design to configure your VLAN attachments and Cloud Routers. You also want to achieve a 99.9% Cloud Interconnect SLA based on Google Cloud s reference design. What should you do?

  • A. Create two Cloud Interconnect connections in different edge availability domains of two different co-location facilities in a project that will contain your connections. Create one VLAN attachment and Cloud Router for each physical interconnect in the Shared VPC host project.
  • B. Create two Interconnect connections in different edge availability domains of the co-location facility in a project that will contain your connections. Create one VLAN attachment for each physical Cloud Interconnect connection and a single Cloud Router in the Shared VPC host project.
  • C. Create two Cloud Interconnect connections in different edge availability domains of the co-location facility in a project that will contain your connections. Create one VLAN attachment for each physical interconnect and a single Cloud Router in the service projects.
  • D. Create two Cloud Interconnect connections in different edge availability domains of the co-location facility in a project that will contain your connections. Create a Cloud Router in the Shared VPC host project and the VLAN attachments in the Shared VPC service projects.
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Suggested Answer: B 🗳️
by RKS_2021 at Feb. 24, 2025, 7:46 p.m.

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lolanczos
2 weeks ago
Selected Answer: B
Requirements for 99.9% Cloud Interconnect SLA: Redundant Dedicated Interconnect connections: Two physical interconnects in different edge availability domains within the same metro/colocation facility. One VLAN attachment per interconnect: Ensures that traffic can fail over properly. Single Cloud Router: It can manage both BGP sessions over both VLAN attachments. Hosted in Shared VPC host project: Networking infrastructure (VLAN attachments, Cloud Router) should live in the host project where the networking is centrally managed.
upvoted 1 times
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mohitms1996
1 month ago
Selected Answer: B
Your goal is to configure Dedicated Interconnect to connect your Shared VPC to the on-premises data center while achieving a 99.9% SLA based on Google's reference design. Key Requirements for 99.9% SLA: Redundant Interconnects: You must have two Cloud Interconnect connections in different edge availability domains (within the same co-location facility). VLAN Attachments: Each Cloud Interconnect connection must have one VLAN attachment. Cloud Router Placement: A single Cloud Router in the Shared VPC host project is recommended because it simplifies BGP route management for all service projects.
upvoted 1 times
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1f01b87
1 month, 2 weeks ago
Selected Answer: B
B is the correct answer. No need to create 2 cloud routers. https://cloud.google.com/network-connectivity/docs/interconnect/tutorials/dedicated-creating-999-availability#creating_a_999_topology
upvoted 3 times
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RKS_2021
2 months ago
Selected Answer: A
A is correct.
upvoted 1 times
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