PCNE Configuring Network Services Practice Question
You are using Traffic Director with Envoy sidecars for a microservices application. You want to inject artificial delays into requests from service A to service B for testing purposes. Which Traffic Director feature should you use?
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
✓
Fault injection
Traffic Director supports fault injection, which allows you to inject delays and abort requests into the traffic between services.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Fault injection
Why this is correct
Fault injection adds delays or aborts to test resilience.
- ✗
Traffic splitting
Why it's wrong here
Traffic splitting distributes traffic across versions, not injects faults.
- ✗
Circuit breakers
Why it's wrong here
Circuit breakers protect against cascading failures by capping connections.
- ✗
Outlier detection
Why it's wrong here
Outlier detection ejects unhealthy instances.
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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.