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Linux Foundation CCA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Hubble for Observability | 15% | - Network flow logging - Hubble UI - Hubble CLI (hubble observe) - Flow visualization - Hubble overview and architecture |
| Topic 2: Cilium Introduction & Fundamentals | 20% | - Cilium vs traditional CNI plugins - Cilium use cases and benefits - What is Cilium - Cilium architecture components - eBPF overview and relationship with Cilium |
| Topic 3: Network Policies & Security | 20% | - Policy debugging and visibility - Layer 7 policies (HTTP, Kafka, DNS) - Policy enforcement modes - Layer 3 and Layer 4 policies - CiliumNetworkPolicy CRD |
| Topic 4: eBPF Fundamentals | 20% | - eBPF in Kubernetes context - eBPF basics and concepts - eBPF program types - eBPF lifecycle and tooling - eBPF maps |
| Topic 5: Cluster Connectivity & Multi-Cluster | 10% | - Service discovery across clusters - Cross-cluster networking - Cilium ClusterMesh |
| Topic 6: Cilium Installation & Configuration | 15% | - Integration with Kubernetes - Cilium agent and operator - Basic configuration options - Cilium CLI basics - Installation methods (Helm, operator) |
Linux Foundation Cilium Certified Associate (CCA) Sample Questions:
1. What is the primary purpose of Hubble in a Cilium-managed Kubernetes environment?
A) To manage storage volumes
B) To deploy new Kubernetes clusters
C) To handle user authentication
D) To provide visibility into network traffic and security policies
2. Why is eBPF considered advantageous for network traffic management in modern cloud environments?
A) It primarily enhances the graphical interface for network management
B) It enables older kernel versions to support newer network functions
C) It reduces the need for network monitoring tools
D) It allows for programmable packet processing at near-native speed
3. What is an advantage of integrating BGP with Cilium for external networking?
A) Direct integration with Kubernetes service discovery
B) Simplifies the configuration of network address translation
C) Eliminates the need for physical network devices
D) Provides a mechanism for automatic rerouting around network issues
4. What is required for Cilium Cluster Mesh to function properly?
A) All clusters must use the same IP address range
B) Clusters must use the same version of Kubernetes
C) Clusters must have a direct network connection
D) Clusters must be connected via a shared DNS system
5. Cilium's Policy Rule Structure allows for which of the following features?
A) Defining rules that apply to specific DNS names
B) Policies that automatically expire after a set duration
C) Strict enforcement based only on network ports
D) Rules that can only be applied within the same namespace
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: A |
