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Google Professional Cloud Network Engineer Exam - Topic 3 Question 70 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam
Question #: 70
Topic #: 3
[All Professional Cloud Network Engineer Questions]

You have the networking configuration shown In the diagram Two VLAN attachments associated With two Dedicated Interconnect connections terminate on the same Cloud Router (mycloudrouter). The Interconnect connections terminate on two separate on-premises routers. You advertise the same prefixes from the Border Gateway Protocol (BOP) sessions associated With each Of the VLAN attachments.

You notice an asymmetric traffic flow between the two Interconnect connections. Which of the following actions should you take to troubleshoot the asymmetric traffic flow?

Show Suggested Answer Hide Answer
Suggested Answer: B

The correct answer is B. From the Cloud CLI, run gcloud compute --project_ID router get-status mycloudrouter --region REGION and review the results.

This command will show you the BGP session status, the advertised and learned routes, and the last error for each VLAN attachment. You can use this information to troubleshoot the asymmetric traffic flow and identify any issues with the BGP configuration or the Interconnect connections.

The other options are not correct because:

Option A will only show you the BGP session status, but not the advertised and learned routes or the last error for each VLAN attachment.

Option C will only show you the VPC Flow Logs, which are useful for monitoring and troubleshooting network performance and security issues within your VPC network, but not for your Interconnect connections.

Option D will only show you the basic information about the Cloud Router, such as its name, region, network, and BGP settings, but not the detailed status of each VLAN attachment.


by Ahmed at Oct 08, 2023, 12:51 PM

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Kimi
3 months ago
Not sure if that’s enough info to solve the issue, though.
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Isidra
3 months ago
I’d go with option C for flow logs, they can show a lot of detail.
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Ruth
3 months ago
Wait, can you really troubleshoot just by looking at logs? Seems too simple.
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Floyd
4 months ago
Definitely, option A makes the most sense here.
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Sherita
4 months ago
I think checking the BGP sessions is a good start.
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Denise
4 months ago
I feel like we should check the BGP sessions first, but I'm a bit confused about whether the CLI or console is better for that.
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Ashlee
4 months ago
I practiced a similar question before, and I think using the Cloud CLI to get the router status might give us some insights too.
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Rima
4 months ago
I'm not entirely sure, but I think looking at VPC Flow Logs could help identify where the traffic is going wrong.
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Silvana
5 months ago
I remember we discussed BGP sessions in class, so checking those from the Cloud Router sounds like a good start.
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Mira
5 months ago
Ah, I see. The asymmetric traffic could be caused by routing or configuration differences between the two Interconnect connections. I'll need to review the router details and flow logs to pinpoint the problem.
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Fabiola
5 months ago
This seems straightforward. I'll start by checking the BGP sessions on the Cloud Router to see if there are any issues there.
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Myrtie
5 months ago
I'm a bit confused by the question. Do I need to check the Cloud Router, the on-premises routers, or both? I want to make sure I don't miss anything.
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Hannah
5 months ago
Okay, I think I've got this. The key is to check the BGP sessions and VPC Flow Logs to see where the asymmetric traffic is occurring.
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Tenesha
5 months ago
Hmm, this looks like a tricky one. I'll need to carefully review the networking diagram and understand the configuration before deciding on the best approach.
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Jacquline
5 months ago
Hmm, I'm a bit unsure about this one. The question mentions a "personalized UX" but I'm not sure which of these features would be the best fit. I'll need to think it through.
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Alyssa
5 months ago
Ah, I see. The Decision Warehouse is for storing historical changes to rule projects so previous versions can be restored. That makes sense, so I'll choose option D.
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Lyla
5 months ago
I'm kind of confused about the quick ratio. I thought it could change too, but maybe the machinery is considered a long-term asset?
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Tiffiny
5 months ago
I remember reading that JSON uses arrays for ordered values, but I can't quite recall if that's how tuples are handled.
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Karina
5 months ago
I'm pretty confident that the system test phase should not start until all the requirements are frozen. The iterative nature of the project doesn't change that fundamental principle.
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