ICA Traffic Management Practice Question
A service is experiencing high latency. You want to implement a circuit breaker to prevent cascading failures. Which resource do 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
✓
DestinationRule
DestinationRule allows the configuration of traffic policies including circuit breaking via the outlierDetection field.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Gateway
Why it's wrong here
Gateway handles external traffic entry.
- ✓
DestinationRule
Why this is correct
DestinationRule defines outlierDetection for circuit breaking.
- ✗
VirtualService
Why it's wrong here
VirtualService handles traffic routing, not circuit breaking.
- ✗
EnvoyFilter
Why it's wrong here
EnvoyFilter is for low-level configuration; circuit breaking is a standard Istio feature.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official CNCF / Linux Foundation exam blueprint
This ICA practice question is part of Courseiva's free CNCF / Linux Foundation 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 ICA exam.