# Which proxy does Istio use for its data plane?

Istio, Easy (Beginner), Architecture. https://k8wiz.com/uquiz/which-proxy-does-istio-use-for-its-data-plane

- A. NGINX
- B. HAProxy
- C. Envoy
- D. Traefik

**Answer:** Envoy

**Explanation:** Istio uses Envoy as its proxy for the data plane. Envoy is a high-performance proxy developed in C++ that handles all inbound and outbound traffic for services in the service mesh.