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Google Professional Cloud Network Engineer Exam - Topic 7 Question 66 Discussion

You are designing a hybrid cloud environment for your organization. Your Google Cloud environment is interconnected with your on-premises network using Cloud HA VPN and Cloud Router. The Cloud Router is configured with the default settings. Your on-premises DNS server is located at 192.168.20.88 and is protected by a firewall, and your Compute Engine resources are located at 10.204.0.0/24. Your Compute Engine resources need to resolve on-premises private hostnames using the domain corp.altostrat.com while still resolving Google Cloud hostnames. You want to follow Google-recommended practices. What should you do?
D) Create a private zone in Cloud DNS for 'corp altostrat.com' called corp-altostrat-com. Configure DNS Server Policies and create a policy with Alternate DNS servers to 192.168.20.88. Configure your on-premises firewall to accept traffic from 35.199.192.0/19. Set a custom route advertisement on the Cloud Router for 35.199.192.0/19.
A) Create a private forwarding zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com that points to 192.168.20.88. Configure your on-premises firewall to accept traffic from 10.204.0.0/24. Set a custom route advertisement on the Cloud Router for 10.204.0.0/24
B) Create a private forwarding zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com that points to 192.168 20.88. Configure your on-premises firewall to accept traffic from 35.199.192.0/19 Set a custom route advertisement on the Cloud Router for 35.199.192.0/19.
C) Create a private forwarding zone in Cloud DNS for 'corp .altostrat.com' called corp-altostrat-com that points to 192.168.20.88. Configure your on-premises firewall to accept traffic from 10.204.0.0/24. Modify the /etc/resolv conf file on your Compute Engine instances to point to 192.168.20 88

Google Professional Cloud Network Engineer Exam - Topic 7 Question 66 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam
Question #: 66
Topic #: 7
[All Professional Cloud Network Engineer Questions]

You are designing a hybrid cloud environment for your organization. Your Google Cloud environment is interconnected with your on-premises network using Cloud HA VPN and Cloud Router. The Cloud Router is configured with the default settings. Your on-premises DNS server is located at 192.168.20.88 and is protected by a firewall, and your Compute Engine resources are located at 10.204.0.0/24. Your Compute Engine resources need to resolve on-premises private hostnames using the domain corp.altostrat.com while still resolving Google Cloud hostnames. You want to follow Google-recommended practices. What should you do?

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Suggested Answer: D

by Lisha at Mar 21, 2023, 05:14 PM

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Lynette
10 months ago
Wait, why would we need to change the resolv.conf file? That seems risky!
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Nobuko
10 months ago
D seems overly complicated for this setup.
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Dorothy
10 months ago
C sounds right, but modifying /etc/resolv.conf? Really?
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Carmen
11 months ago
I think B is a bit off with that IP range.
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Wilda
11 months ago
A is the best option for private DNS resolution!
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Helga
11 months ago
I feel like option D is off because it mentions 35.199.192.0/19, which doesn't match our Compute Engine subnet. I think we should stick with 10.204.0.0/24.
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Raymon
11 months ago
I practiced a similar question where we had to set up DNS resolution between on-premises and cloud resources, but I can't recall if we should use a private zone or a forwarding zone here.
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Micah
11 months ago
I think option A sounds familiar because it mentions configuring the firewall for 10.204.0.0/24, which seems like the right subnet for our Compute Engine resources.
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Lynna
11 months ago
I remember we discussed private forwarding zones in Cloud DNS, but I'm not sure if we need to modify the /etc/resolv.conf file for this setup.
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Jerry
11 months ago
I feel like option D is off because it mentions 35.199.192.0/19, which doesn't match our Compute Engine subnet. I think we should stick with 10.204.0.0/24.
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Aracelis
11 months ago
I practiced a similar question where we had to set up DNS resolution between on-premises and cloud resources, but I can't recall if we should use a private zone or a forwarding zone here.
upvoted 0 times
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Katina
11 months ago
I think option A sounds familiar because it mentions configuring the firewall for 10.204.0.0/24, which seems like the right subnet for our Compute Engine resources.
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Tori
11 months ago
I remember we discussed private forwarding zones in Cloud DNS, but I'm not sure if we need to modify the /etc/resolv.conf file for this setup.
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Brittni
11 months ago
Hmm, I'm a bit confused on this one. I know the stateful inspection firewall keeps track of connection state, but I'm not sure if that means it only needs to check the first packet or if it has to check each one. I'll have to think this through carefully.
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Bulah
11 months ago
I'm a bit confused on this one. I know we talked about event normalization, but I can't recall the specific details. I'll have to review my notes and try to remember which component was responsible for that. Hopefully, I can figure it out before the exam.
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Tarra
11 months ago
I believe it will be CSPOL_9 since it's the next one up, but I might be confusing that with another question I practiced.
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