Exam Professional Cloud Network Engineer topic 1 question 221 discussion

Actual exam question from Google's Professional Cloud Network Engineer

Question #: 221
Topic #: 1

[All Professional Cloud Network Engineer Questions]

Your organization has a highly available application that is not HTTP-based. The application runs on multiple TCP ports and is hosted in multiple regions. You need to design a solution to load balance the application in the same Shared VPC where the service will be accessed. The IP address header must contain the client's true source IP address. No public internet access is required. What should you do?

A. Configure multiple regional internal proxy Network Load Balancers and enable global access. Use DNS routing policies to balance traffic across regions.
B. Configure multiple regional internal Application Load Balancers and enable global access. Use DNS routing policies to balance traffic across regions.
C. Configure a single cross region internal proxy Network Load Balancer.
D. Configure multiple regional internal passthrough Network Load Balancers and enable global access. Use DNS routing policies to balance traffic across regions.

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Suggested Answer: D 🗳️

by Gwendal at March 30, 2025, 9:45 a.m.

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glb2

1 month, 3 weeks ago

Selected Answer: D

Internal passthrough Network Load Balancer (NLB): - Supports non-HTTP(S) protocols. - Preserves the client’s original source IP address. - Works at Layer 4 (TCP/UDP).

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