Google Professional Cloud Network Engineer Exam - Topic 6 Question 85 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam

Question #: 85
Topic #: 6

[All Professional Cloud Network Engineer Questions]

You have the following Shared VPC design VPC Flow Logs is configured for Subnet-1 In the host VPC. You also want to monitor flow logs for Subnet-2. What should you do?

AConfigure a firewall rule to permit Subnet-2 IP addresses outbound in the host protect VPC.

BConfigure Packet Mirroring in both the host and service project VPCs.

CConfigure a VPC Flow Logs filter for Subnet-2 in the host project VPC.

DConfigure VPC Flow Logs in the service project VPC for Subnet-2.

Show Suggested Answer

Suggested Answer: D

Understanding VPC Flow Logs:

VPC Flow Logs is a feature that captures information about the IP traffic going to and from network interfaces in a VPC. It helps in monitoring and analyzing network traffic, ensuring security, and optimizing network performance.

Current Configuration:

According to the diagram, VPC Flow Logs is already configured for Subnet-1 in the host VPC. This means that traffic information for Subnet-1 is being captured and logged.

Requirement for Subnet-2:

The goal is to monitor flow logs for Subnet-2, which is in the service project VPC.

Correct Configuration for Subnet-2:

To monitor the flow logs for Subnet-2, you need to configure VPC Flow Logs within the service project VPC where Subnet-2 resides. This is because VPC Flow Logs must be configured in the same project and VPC where the subnet is located.

Implementation Steps:

Go to the Google Cloud Console.

Navigate to the service project where Subnet-2 is located.

Select the VPC network containing Subnet-2.

Enable VPC Flow Logs for Subnet-2 by editing the subnet settings and enabling the flow logs option.

Cost and Performance Considerations:

Enabling VPC Flow Logs may incur additional costs based on the volume of data logged. Ensure to review and understand the pricing implications.

Analyze and manage the data collected to avoid unnecessary logging and costs.

Google Cloud VPC Flow Logs Documentation

Configuring VPC Flow Logs

Shared VPC Overview

By configuring VPC Flow Logs in the service project VPC for Subnet-2, you ensure that traffic data is correctly captured and monitored, adhering to Google Cloud's best practices.

by Martha at Jun 24, 2024, 04:59 PM

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Veda

4 months ago

Definitely need to configure flow logs in the service project for Subnet-2.

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Bernadine

5 months ago

Nah, option A doesn't make sense for flow logs.

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Beatriz

5 months ago

Wait, can you really monitor flow logs across different projects?

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Karrie

5 months ago

I think option C is the way to go!

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Rosalyn

5 months ago

Just set up flow logs for Subnet-2 in the service project VPC.

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Goldie

6 months ago

I’m a bit confused about whether we should use Packet Mirroring or just set up flow logs directly for Subnet-2. I feel like both could work, but I need to double-check.

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Brittani

6 months ago

This question feels similar to one we practiced about monitoring traffic. I think configuring a filter for Subnet-2 in the host project might be the right approach.

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An

6 months ago

I think we might need to set up flow logs specifically for Subnet-2 in the service project, but I can't recall if that’s the only step needed.

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Corinne

6 months ago

I remember that VPC Flow Logs can be configured per subnet, but I'm not sure if it needs to be done in the host or service project for Subnet-2.

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Geraldine

6 months ago

I'm pretty confident this is a straightforward VPC flow log question. I'll quickly review the options and select the best one.

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Thurman

6 months ago

Okay, I think I've got it. The key is to configure the VPC flow logs in the right place to monitor Subnet-2. Option C seems like the way to go.

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Germaine

6 months ago

Hmm, I'm a bit confused about the difference between the host and service project VPCs. I'll need to re-read the question to make sure I understand the setup.

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Silvana

6 months ago

This looks like a tricky one. I'll need to carefully review the options and think through the VPC flow log configuration.

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Dorothy

6 months ago

Hmm, I think the key here is to increase the available SNAT connections. Adding a public IP address or binding the NAT gateway to another subnet might help, but I'm not sure if that's the most direct solution.

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Raul

6 months ago

Hmm, this looks like a subnetting question. I'll need to think through the subnet mask and how that affects the number of subnets and hosts.

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Walton

2 years ago

Hmm, I'm torn between C and D. Guess I'll have to flip a coin!

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Justine

2 years ago

I'm going with C. Filtering the flow logs for Subnet-2 is a simple and effective solution.

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Rupert

2 years ago

I'm not sure, but it does seem like a logical choice to configure the filter in the host project VPC.

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Phung

2 years ago

Agreed, that sounds like the most efficient way to monitor flow logs for Subnet-2.

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Aracelis

2 years ago

I think C is the best option. It's straightforward to configure a VPC Flow Logs filter for Subnet-2 in the host project VPC.

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Cecil

2 years ago

I would go with C as well. It's a clear and practical solution to the issue.

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Vivan

2 years ago

Agreed, that seems like the most efficient way to monitor flow logs for Subnet-2.

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Edelmira

2 years ago

I think C is the best option. It's straightforward to configure a VPC Flow Logs filter for Subnet-2.

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Erick

2 years ago

B might be the way to go. Configuring Packet Mirroring in both VPCs could give you a more comprehensive view of the traffic.

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Lelia

2 years ago

D looks good to me. Enabling VPC Flow Logs in the service project VPC for Subnet-2 would give you the visibility you need.

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Mendy

2 years ago

I agree, configuring VPC Flow Logs in the service project VPC for Subnet-2 is the right approach.

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Jodi

2 years ago

D looks good to me. Enabling VPC Flow Logs in the service project VPC for Subnet-2 would give you the visibility you need.

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Viva

2 years ago

I think option C is the best choice. Configuring a VPC Flow Logs filter for Subnet-2 in the host project VPC is the most straightforward solution.

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Deonna

2 years ago

I'm not sure. Maybe we should also consider configuring Packet Mirroring in both the host and service project VPCs.

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Genevive

2 years ago

I think the answer is C. Configuring a VPC Flow Logs filter for Subnet-2 in the host project VPC seems like the most straightforward way to monitor the flow logs for that subnet.

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