ICA Istio Installation Upgrade And Configuration Practice Question
When using IstioOperator to customize the installation, you want to change the number of replicas for the Istiod control plane. Where should this be defined?
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
✓
spec.components.pilot.k8s.replicaCount
The 'spec.components.pilot.k8s.hpaSpec' or 'spec.components.pilot.k8s.replicaCount' fields are the correct places to define scale for the pilot component.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
spec.values.pilot.scaling
Why it's wrong here
This is not a valid IstioOperator path.
- ✗
spec.meshConfig.pilot.replicas
Why it's wrong here
MeshConfig does not handle component deployment scaling.
- ✗
spec.pilot.replicas
Why it's wrong here
This is not the correct structure for the operator spec.
- ✓
spec.components.pilot.k8s.replicaCount
Why this is correct
This field directly controls the replica count for the pilot component.
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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.