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Google Professional Cloud Network Engineer Exam - Topic 1 Question 77 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam
Question #: 77
Topic #: 1
[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: A

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 Chauncey at Mar 10, 2024, 04:43 PM

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Dona
3 months ago
Wait, why is there asymmetric traffic? That sounds weird!
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Tabetha
3 months ago
Not sure if D will help much, seems less relevant.
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Almeta
4 months ago
I think C could also provide useful insights.
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Von
4 months ago
Totally agree, gotta start with the console!
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Nicolette
4 months ago
A is the first step to check BGP sessions.
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Dan
4 months ago
I feel like option D could also be relevant, but I’m not confident if it would provide the right insights for asymmetric traffic flow.
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Keneth
4 months ago
I practiced a similar question where we had to troubleshoot BGP settings, and I think option B might give us some useful status information.
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Mila
5 months ago
I'm not entirely sure, but I think option C could help us see if there's any unusual traffic patterns in the VPC Flow Logs.
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Stefan
5 months ago
I remember we discussed BGP sessions in class, so option A seems like a good starting point to check for issues.
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Kris
5 months ago
Confident I can solve this. The BGP sessions are the obvious place to start, and the Cloud CLI commands should provide the necessary details.
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Marjory
5 months ago
Ah, I see. Checking the Cloud Router status and description should give me the information I need to troubleshoot this. I'll try that first.
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Natalya
5 months ago
Okay, I think I've got this. The key is to check the BGP sessions on the Cloud Router and see if there are any issues there. I'll start with that.
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Harrison
5 months ago
Hmm, this looks like a tricky one. I'll need to carefully review the networking configuration and understand the BGP sessions to figure out the best approach.
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Golda
5 months ago
I'm a bit confused by the asymmetric traffic flow. I'll need to dive into the VPC Flow Logs to see if I can spot any clues there.
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Geoffrey
5 months ago
Okay, let me think this through. Since it's a Citrix environment, I'm guessing the Citrix-optimized Windows 10 image would be the best choice. But I'll double-check the other options just to be sure.
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Fletcher
5 months ago
Hmm, I'm a bit confused on this one. I think it might be hashing the image stream, then the copy, and comparing the hashes, but I'm not 100% sure. Option B maybe?
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Aliza
5 months ago
I'm leaning towards quality of service, but I feel like that's more about prioritizing traffic rather than building redundancy.
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Herminia
5 months ago
This is a tricky one. I know communication and analysis are important, but I'm not sure if the other options are must-haves or just helpful components. I'll need to review my notes on the core requirements for a successful BC program implementation.
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Elizabeth
2 years ago
Let's try both options and see which one provides us with the most useful information.
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Flo
2 years ago
We could also use the Cloud CLI to describe the Cloud Router for more details.
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Dominic
2 years ago
I prefer checking the BGP sessions first, it's more related to the networking configuration.
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Lauryn
2 years ago
Another option is to review the VPC Flow Logs in Cloud Logging.
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Novella
2 years ago
Yeah, that could give us some insights into the asymmetric traffic flow.
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Celestina
2 years ago
I think we should check the BGP sessions on the Cloud Router.
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Bulah
2 years ago
Haha, yeah, the other options sound a bit more complicated. Especially that one about running some command from the Cloud CLI. I'm not sure I'd want to try that on an exam, you know? Better to stick with something more user-friendly like the console.
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Pete
2 years ago
Haha, yeah, the other options sound a bit more complicated. Especially that one about running some command from the Cloud CLI. I'm not sure I'd want to try that on an exam, you know? Better to stick with something more user-friendly like the console.
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Adelaide
2 years ago
A) From the Google Cloud console, navigate to the Hybrid Connectivity, select the Cloud Router, and view BGP sessions.
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Rodolfo
2 years ago
You know, I was just thinking the same thing. Looking at the VPC Flow Logs could give us some valuable insights into what's happening with the traffic. Plus, it's a pretty straightforward approach compared to some of the other options.
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Dierdre
2 years ago
I agree. The options provided seem to point us towards different tools and methods we can use to investigate the issue. I'm leaning towards option C, where we can check the VPC Flow Logs to see if there's any information that could help us understand the traffic patterns.
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Mari
2 years ago
Hmm, this question seems to be testing our knowledge of networking troubleshooting on Google Cloud Platform. The key here is to identify the root cause of the asymmetric traffic flow between the two Interconnect connections.
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