# What is Cilium?

Cilium, Easy (Beginner), Concepts. https://k8wiz.com/uquiz/what-is-cilium

- A. A Kubernetes monitoring solution
- B. A container runtime interface
- C. An eBPF-based networking, observability, and security solution for Kubernetes
- D. A service mesh control plane

**Answer:** An eBPF-based networking, observability, and security solution for Kubernetes

**Explanation:** Cilium is an open source project that provides networking, security, and observability for cloud native environments using eBPF technology. It can replace traditional Linux networking components with more efficient and powerful eBPF-based implementations.