PCNE Configuring Network Services Practice Question
A company uses Traffic Director with Envoy sidecars. They want to implement traffic splitting to gradually migrate traffic from version v1 to v2 of a service. Which TWO resources must be configured? (Select 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
✓
TrafficDirectorRoute with traffic splitting rules
Traffic splitting in Traffic Director is configured via routing rules (TrafficDirectorRoute) and backend services (or weighted backends).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Health check
Why it's wrong here
Health checks are needed but not directly part of traffic splitting configuration.
- ✗
Firewall rule
Why it's wrong here
Firewall rules not required for splitting.
- ✗
Cloud CDN cache key
Why it's wrong here
Not relevant for service mesh traffic splitting.
- ✓
TrafficDirectorRoute with traffic splitting rules
Why this is correct
Correct: the route rule specifies the percentage distribution.
- ✓
Backend service with weighted backends
Why this is correct
Correct: weighted backends allow splitting traffic between two versions.
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JA
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.