# What is a 'subset' in Istio's DestinationRule?

Istio, Medium (Advanced), Traffic Management. https://k8wiz.com/uquiz/what-is-a-subset-in-istios-destinationrule

- A. A group of similar services
- B. A named version of a service
- C. A subset of traffic to be routed
- D. A group of users

**Answer:** A named version of a service

**Explanation:** In Istio's DestinationRule, a subset is a named version of a service. Subsets are defined based on labels and are used for traffic splitting between different versions of a service.