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Google Professional Cloud Network Engineer Exam - Topic 4 Question 3 Discussion

You want to deploy a VPN Gateway to connect your on-premises network to GCP. You are using a non BGP-capable on-premises VPN device. You want to minimize downtime and operational overhead when your network grows. The device supports only IKEv2, and you want to follow Google-recommended practices.What should you do?
D) * Create a Cloud VPN instance.* Create a route-based VPN tunnel.* Configure the appropriate local and remote traffic selectors to 0.0.0.0/0.* Configure the appropriate static routes.
A) * Create a Cloud VPN instance.* Create a policy-based VPN tunnel per subnet.* Configure the appropriate local and remote traffic selectors to match your local and remote networks.* Create the appropriate static routes.
B) * Create a Cloud VPN instance.* Create a policy-based VPN tunnel.* Configure the appropriate local and remote traffic selectors to match your local and remote networks.* Configure the appropriate static routes.
C) * Create a Cloud VPN instance.* Create a route-based VPN tunnel.* Configure the appropriate local and remote traffic selectors to match your local and remote networks.* Configure the appropriate static routes.

Google Professional Cloud Network Engineer Exam - Topic 4 Question 3 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam
Question #: 3
Topic #: 4
[All Professional Cloud Network Engineer Questions]

You want to deploy a VPN Gateway to connect your on-premises network to GCP. You are using a non BGP-capable on-premises VPN device. You want to minimize downtime and operational overhead when your network grows. The device supports only IKEv2, and you want to follow Google-recommended practices.

What should you do?

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Suggested Answer: D

by Alisha at May 08, 2022, 08:54 PM

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Micaela
7 months ago
Not sure if D is a good idea, 0.0.0.0/0 sounds risky.
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Diego
7 months ago
Wait, can you really use IKEv2 with policy-based tunnels?
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Maurine
8 months ago
C seems off, route-based is usually more flexible.
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Lauran
8 months ago
I think B is better, less complexity.
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Karan
8 months ago
A is the way to go for policy-based setups.
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Glenn
8 months ago
I recall that route-based tunnels are more flexible, but since the device only supports IKEv2, I think I should stick with policy-based options like A or B.
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Luther
8 months ago
I’m a bit confused about the traffic selectors. I thought they needed to match specific subnets, so I’m leaning towards option A, but I’m not entirely sure.
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Vannessa
8 months ago
I think I practiced a similar question where I had to decide between policy-based and route-based tunnels. I feel like option C might be the right choice, but IKEv2 complicates things.
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Jules
8 months ago
I remember that policy-based VPNs are often used with non-BGP devices, but I'm not sure if I should choose option A or B.
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Rikki
8 months ago
I agree, those seem like the most logical choices. I'll also consider the decisions that deliver large economic benefits, since those would be important to keep centralized.
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Glory
8 months ago
I've seen this type of question before, and I think the answer is B. The Init state should be executed again to handle the error. But I'll double-check the options just to be sure.
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Mozell
8 months ago
Okay, I've got this. I know that reports can be graphical and can be scheduled to run automatically, so I'm pretty confident about those. Let me double-check the other options.
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