# What is the purpose of Istio's 'corsPolicy' field in VirtualService?

Istio, Hard (Expert), Traffic Management. https://k8wiz.com/uquiz/what-is-the-purpose-of-istios-corspolicy-field-in-virtualservice

- A. To implement Cross-Origin Resource Sharing policies
- B. To define core service policies
- C. To configure cross-service routing
- D. To set up service correlation

**Answer:** To implement Cross-Origin Resource Sharing policies

**Explanation:** The 'corsPolicy' field in Istio's VirtualService is used to implement Cross-Origin Resource Sharing (CORS) policies. It allows you to control which origins, methods, and headers are allowed when browsers make cross-origin requests to your services.