The aim of this study guide is to help the Cilium community prepare for the CNCF's Cilium Certified Associate(CCA) Exam 🐝

You can find all you need to know about the Certification on its official page.

• LinuxFoundationX: Introduction to Cilium 📖

• Know How to Use Cilium CLI to Query and Modify the Configuration
• Using Cilium CLI to Install Cilium, Run Connectivity Tests, and Monitor its Status

• Cilium Quick Installation - Cilium Docs 📖
• eCHO episode 1: Introduction to Cilium 📺
• Getting Started with Cilium - Lab 🥼
• Tutorial: Tips and Tricks to install Cilium 📖
• Cilium Command Cheat Sheet - Cilium Docs 📖

• Understand the Role of Cilium in Kubernetes Environments
• Cilium Architecture
• IP Address Management (IPAM) with Cilium
• Cilium Component Roles
• Datapath Models

• Getting Started with Cilium - Lab 🥼
• Cilium - Rethinking Linux Networking and Security for the Age of Microservices 📖
• Cilium 1.0: Bringing the BPF Revolution to Kubernetes Networking and Security 📖
• Cilium Component Overview - Cilium Docs 📖
• Cilium eBPF Datapath - Cilium Docs 📖
• IP Address Management (IPAM) - Cilium Docs 📖
• Cilium Technical Deep Dive: Under the Hood - Talk 📺
• Cilium's BPF kernel datapath revamped - Talk 📺
• Terminology - Cilium Docs 📖

• Interpret Cilium Network Polices and Intent
• Understand Cilium's Identity-based Network Security Model
• Policy Enforcement Modes
• Policy Rule Structure
• Kubernetes Network Policies versus Cilium Network Policies

• Identity Based - Cilium Docs 📖
• Network Policy Use Cases 📖
• From IP to identity: making cattle out of pets in cloud native 📖
• Zero Trust Security with Cilium 📖
• Network Policy - Cilium Docs 📖
• Policy Enforcement Mode - Cilium Docs 📖
• Why is Kubernetes Network Policy important? 📺
• Birth of Kubernetes Network Policy 📺
• NetworkPolicy Tutorial 📖
• eCHO Episode 43: Deep dive on FQDN Policy 📺
• Network Policy Editor 📖

• Know How to use Ingress or Gateway API for Ingress Routing
• Service Mesh Use Cases
• Understand the Benefits of Gateway API over Ingress
• Encrypting Traffic in Transit with Cilium
• Sidecar-based versus Sidecarless Architectures

• How eBPF will solve Service Mesh – Goodbye Sidecars 📖
• Cilium Service Mesh Use Cases 📖
• Hello eBPF! Goodbye Sidecars? 📺
• Cilium Service Mesh – Everything You Need to Know 📖
• Cilium Ingress Controller - Lab 🥼
• Cilium Transparent Encryption with IPSec and WireGuard - Lab 🥼
• Gateway API Support - Cilium Docs 📖
• Cilium Gateway API - Lab 🥼
• Advanced Gateway API Use Cases - Lab 📖
• Ingress Controllers or the Kubernetes Gateway API? Which Is Right for You? 📖
• A Deep Dive into Cilium Gateway API: The Future of Ingress Traffic Routing 📖
• Mutual Authentication in Cilium - Cilium Docs 📖
• Mutual Authentication in Cilium - Lab 🥼

• Understand the Observability Capabilities of Hubble
• Enabling Layer 7 Protocol Visibility
• Know How to Use Hubble from the Command Line or the Hubble UI

• eCHO episode 2: Introduction to Hubble 📺
• Observability Use Cases 📖
• Setting up Hubble Observability - Cilium Docs 📖
• Layer 7 Protocol Visibility - Cilium Docs 📖
• Back to Basics – L7 Flow Visibility 📺
• Cilium IPv6 Networking and Observability - Lab 🥼

• Understand the Benefits of Cluster Mesh for Multi-cluster Connectivity
• Achieve Service Discovery and Load Balancing Across Clusters with Cluster Mesh

• Cilium Cluster Mesh Use Cases 📖
• Setting Up Cluster Mesh - Cilium Docs 📖
• Cilium Cluster Mesh - Lab 🥼
• Connecting Klusters on the Edge with Deep Dive into Cilium Cluster Mesh - Talk 📺
• An Introduction to Cilium Cluster Mesh 📺
• eCHO episode 41: Cilium Cluster Mesh 📺
• eCHO Episode 94: Cluster API and Cilium Cluster Mesh 📺

• Understand the Role of eBPF in Cilium
• eBPF Key Benefits
• eBPF-based Platforms versus IPtables-based Platforms

• Why is the kernel community replacing iptables with BPF? 📖
• What is eBPF? 📖
• CNI Benchmark: Understanding Cilium Network Performance 📖
• eBPF - The Future of Networking & Security 📖
• Learning eBPF 📖
• Getting started with eBPF - Lab 🥼
• eBPF - Host Routing - Cilium Docs 📖

• Egress Connectivity Requirements
• Understand Options to Connect Cilium-managed Clusters with External Networks

• Cilium BGP Use Cases 📖
• Cilium BGP Control Plane - Cilium Docs 📖
• Cilium BGP Service Advertisement 📺
• BGP on Cilium - Lab 🥼
• Cilium LoadBalancer IPAM and BGP Service Advertisement - Lab 🥼
• Advanced BGP Features - Lab 🥼
• BGP with Cilium 📖
• Connecting your Kubernetes island to your network with Cilium BGP 📖
• Cilium Egress Gateway - Cilium Docs 📖
• Cilium Egress Gateway - Lab 🥼
• Cilium L2 Announcements - Cilium Docs 📖
• Cilium LoadBalancer IPAM and L2 Service Announcement - Lab 🥼

Finished this guide and want to learn more? Dive deep into the world of Cilium with more comprehensive hands-on labs.