# Which network plugin is commonly used in Kubernetes to implement the Container Network Interface (CNI)?

Kubernetes, Medium (Advanced), Networking. https://k8wiz.com/uquiz/which-network-plugin-is-commonly-used-in-kubernetes-to-implement-the-container-network-interface-cni

- A. Docker Bridge
- B. Calico
- C. HAProxy
- D. Nginx

**Answer:** Calico

**Explanation:** Calico is a popular CNI plugin that provides networking and network policy for Kubernetes clusters. Other common CNI plugins include Flannel, Weave Net, and Cilium. These plugins implement the Container Network Interface specification to provide networking capabilities.