# Which component of Istio is responsible for certificate generation and distribution?

Istio, Medium (Advanced), Security. https://k8wiz.com/uquiz/which-component-of-istio-is-responsible-for-certificate-generation-and-distribution

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

**Answer:** Citadel

**Explanation:** Citadel is the component of Istio responsible for certificate generation and distribution. It acts as a Certificate Authority (CA) and issues certificates to services for mutual TLS authentication.