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Google Professional Cloud Network Engineer Exam - Topic 6 Question 33 Discussion

You are deploying a global external TCP load balancing solution and want to preserve the source IP address of the original layer 3 payload.Which type of load balancer should you use?
D) TCP/SSL proxy load balancer
A) HTTP(S) load balancer
B) Network load balancer
C) Internal load balancer

Google Professional Cloud Network Engineer Exam - Topic 6 Question 33 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam
Question #: 33
Topic #: 6
[All Professional Cloud Network Engineer Questions]

You are deploying a global external TCP load balancing solution and want to preserve the source IP address of the original layer 3 payload.

Which type of load balancer should you use?

Show Suggested Answer Hide Answer
Suggested Answer: D

By default TCP/SSL proxy load balancer original client IP address and port information is not preserved, but it can be preserved using the PROXY protocol: https://cloud.google.com/load-balancing/docs/tcp#target-proxies

https://medium.com/google-cloud/preserving-client-ips-through-google-clouds-global-tcp-and-ssl-proxy-load-balancers-3697d76feeb1


by Harrison at May 08, 2022, 10:16 AM

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Matilda
7 months ago
NLB is definitely the right choice here, no doubt!
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Tish
7 months ago
I thought TCP/SSL proxy was better for this.
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Shaquana
8 months ago
Wait, can an HTTP(S) load balancer even do that?
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Princess
8 months ago
Totally agree, NLB is the way to go!
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Larae
8 months ago
You should go with a Network load balancer for preserving source IP.
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Lucy
8 months ago
I thought internal load balancers were for private networks, so they definitely wouldn't apply to this global solution.
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Lai
8 months ago
I feel like the HTTP(S) load balancer wouldn't work here since it operates at a higher layer, but I can't recall the specifics.
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Juliann
8 months ago
I think we need to use a Network load balancer for preserving the source IP, but I'm not entirely sure.
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Delila
8 months ago
I remember practicing a similar question, and I think the TCP/SSL proxy load balancer might also be an option, but it doesn't seem right for this case.
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Sharmaine
8 months ago
I think the best approach here is to walk the actual process from beginning to end. That way, you can see firsthand how the process works and identify any pain points or areas for improvement.
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Gilberto
8 months ago
Ugh, I'm drawing a blank on the specific command name. But I know it's one of the standard process management tools, so I'll try to eliminate the obvious wrong answers.
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Yolando
8 months ago
I remember the Service Broker pattern being a crucial part of Enterprise Service Bus, but I'm not entirely sure about the Schema Centralization part.
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