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

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

- A. To specify the geographic location of services
- B. To configure locality-aware load balancing
- C. To define local services
- D. To restrict services to a specific locality

**Answer:** To configure locality-aware load balancing

**Explanation:** The 'locality' field in Istio's DestinationRule is used to configure locality-aware load balancing. It allows you to prioritize routing to endpoints in the same locality (region/zone) to reduce latency and costs.