# Which of the following is NOT a core component of Istio?

Istio, Easy (Beginner), Architecture. https://k8wiz.com/uquiz/which-of-the-following-is-not-a-core-component-of-istio

- A. Pilot
- B. Mixer
- C. Citadel
- D. Kubelet

**Answer:** Kubelet

**Explanation:** Kubelet is a component of Kubernetes, not Istio. Istio's core components include Pilot (for service discovery and traffic management), Mixer (for policy enforcement and telemetry collection), and Citadel (for security).