PCNE Configuring Network Services Practice Question
A company needs to load balance TCP traffic without SSL termination for a gaming application where client IP preservation is critical. The backend is a group of Compute Engine instances. Which load balancer types meet these requirements? (Choose TWO.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Regional External TCP/UDP Network Load Balancer
Global TCP Proxy Load Balancer terminates SSL? Actually, TCP Proxy LB does not terminate SSL; it forwards TCP traffic but does not preserve client IP by default (uses Proxy Protocol). Regional External TCP/UDP Network Load Balancer is pass-through and preserves client IP. The Internal TCP/UDP LB is pass-through but internal. For external TCP without SSL termination and client IP preservation, the best options are the Regional External TCP/UDP NLB (pass-through) and a Global TCP Proxy with Proxy Protocol enabled (which can preserve IP via Proxy Protocol).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Regional External TCP/UDP Network Load Balancer
Why this is correct
It is pass-through and preserves client IP by default.
- ✓
Global TCP Proxy Load Balancer
Why this is correct
It forwards TCP without SSL termination and can preserve client IP via Proxy Protocol.
- ✗
Regional Internal TCP/UDP Load Balancer
Why it's wrong here
This is internal, not external.
- ✗
Global SSL Proxy Load Balancer
Why it's wrong here
This terminates SSL, which is not required.
- ✗
Global HTTPS Load Balancer
Why it's wrong here
This terminates SSL and is HTTP(S) only.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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