# What is the purpose of Istio's RequestAuthentication resource?

Istio, Easy (Beginner), Security. https://k8wiz.com/uquiz/what-is-the-purpose-of-istios-requestauthentication-resource

- A. To authenticate requests using JWT tokens
- B. To authenticate users with username and password
- C. To authenticate service-to-service communication
- D. To authenticate API keys

**Answer:** To authenticate requests using JWT tokens

**Explanation:** RequestAuthentication in Istio is used to validate JWT tokens in requests. It specifies the issuer, audiences, and public keys to use for JWT validation.