PCNE Configuring Network Services Practice Question
You need to configure a health check for a gRPC-based backend service. Which protocol should you use for the health check?
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
✓
gRPC
Health checks support HTTP, HTTPS, HTTP2, TCP, SSL, and gRPC. For gRPC backends, a gRPC health check is the most appropriate as it reflects the application health. The other protocols may not accurately indicate gRPC service health.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
HTTPS
Why it's wrong here
HTTPS check is not ideal for gRPC.
- ✗
TCP
Why it's wrong here
TCP check only verifies port connectivity, not application health.
- ✗
HTTP
Why it's wrong here
HTTP health check may not work for gRPC unless a health endpoint is exposed over HTTP, but best practice is gRPC health check.
- ✓
gRPC
Why this is correct
gRPC health check is specifically designed to check gRPC service health.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCNE practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCNE exam.