# How can you implement rate limiting in Istio?

Istio, Hard (Expert), Traffic Management. https://k8wiz.com/uquiz/how-can-you-implement-rate-limiting-in-istio

- A. By using Kubernetes resource limits
- B. By using Istio's built-in rate limiting feature
- C. By using an external rate limiting service with EnvoyFilter
- D. By modifying the application code

**Answer:** By using an external rate limiting service with EnvoyFilter

**Explanation:** Rate limiting in Istio is typically implemented by using an external rate limiting service with EnvoyFilter. Istio does not have a built-in rate limiting feature, but it can be integrated with external rate limiting services like Envoy's rate limit service.