Practice Test 2 | Google Cloud Certified Professional Cloud Network Engineer | Dumps | Mock Test
As the network engineer in a small firm. You are tasked with implementing a cost-effective hybrid connectivity that can serve up to 4.5Gbps, between GCP and the on-premises networks. The GCP VPC will have subnets, with resources in several regions. You have the requirements below.
- Speed of delivery and low cost.
- Dynamically advertise all subnets in the VPC to the on-premises network
- Encrypted communications between GCP and the on-premises network
Which of the following would you configure in GCP?
A. Create a VPC with a default dynamic routing mode, & subnets in the desired regions,
Create a Cloud Router in any region with a subnet, and Create Cloud VPN with two tunnels in the region of the Cloud Router.
Create a route to the on-premises network with the next hop as the VPN tunnels
B. Create a VPC with a Global dynamic routing mode, & subnets in the desired regions,
Create a Cloud Router in any region with a subnet, and
Create Cloud VPN with one tunnel in the region of the Cloud Router.
C.
Create a VPC with a default dynamic routing mode, & subnets in the desired regions,
Create Cloud VPN with two tunnels in the region of the Cloud Router.
D. Create a VPC with a Global dynamic routing mode, & subnets in the desired regions,
Create a Cloud Router in any region with a subnet, and
Create Cloud VPN with two tunnels in the region of the Cloud Router.
Answer: D
Options A is incorrect because the default dynamic routing mode is regional, this means only the subnet in the Cloud Router region will be advertised also there is no need for a static route to be created, the Cloud Router will add dynamic routes.
Option B is incorrect, because Cloud VPN tunnel has a max performance of 3Gbps which does not meet the bandwidth requirement.
Option C is incorrect, because the default dynamic routing mode is regional, this means only the subnet in the Cloud Router region will be advertised. A Cloud router is needed to dynamically learn routes to and from the GCP
Options D is correct, because Global routing mode is needed, a Cloud Router and Cloud VPN with two tunnels to meet the bandwidth requirement.
https://cloud.google.com/network-connectivity/docs/router/concepts/overview explains Dynamic routing mode.
https://cloud.google.com/network-connectivity/docs/vpn/concepts/overview#vpn-types explains how to choose VPN types
The diagram below shows the default Dynamic routing mode is Regional
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