# What is the purpose of Istio's 'portLevelSettings' field in DestinationRule?

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

- A. To configure settings for specific ports
- B. To map ports between services
- C. To restrict access to certain ports
- D. To define port names

**Answer:** To configure settings for specific ports

**Explanation:** The 'portLevelSettings' field in Istio's DestinationRule is used to configure settings for specific ports. It allows you to override the default traffic policy for specific ports of a service.