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Linux Foundation CCA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: eBPF Fundamentals | 20% | - eBPF maps - eBPF basics and concepts - eBPF in Kubernetes context - eBPF lifecycle and tooling - eBPF program types |
| Topic 2: Network Policies & Security | 20% | - CiliumNetworkPolicy CRD - Policy enforcement modes - Layer 7 policies (HTTP, Kafka, DNS) - Policy debugging and visibility - Layer 3 and Layer 4 policies |
| Topic 3: Cilium Installation & Configuration | 15% | - Basic configuration options - Installation methods (Helm, operator) - Integration with Kubernetes - Cilium CLI basics - Cilium agent and operator |
| Topic 4: Hubble for Observability | 15% | - Hubble UI - Flow visualization - Hubble CLI (hubble observe) - Network flow logging - Hubble overview and architecture |
| Topic 5: Cluster Connectivity & Multi-Cluster | 10% | - Service discovery across clusters - Cilium ClusterMesh - Cross-cluster networking |
| Topic 6: Cilium Introduction & Fundamentals | 20% | - Cilium vs traditional CNI plugins - What is Cilium - Cilium architecture components - eBPF overview and relationship with Cilium - Cilium use cases and benefits |
Linux Foundation Cilium Certified Associate (CCA) Sample Questions:
Question 1
How does Cilium handle service discovery across multiple clusters in a Cluster Mesh setup?
A. Through a centralized database storing all service records
B. By manually configuring service endpoints in each cluster
C. By replicating DNS entries across clusters
D. By using Kubernetes services with CrossCluster Service discovery
Question 2
What are the primary functions of the Cilium Operator in a Kubernetes environment?
(Choose Two)
A. Managing global IPAM (IP Address Management)
B. Handling cluster-wide configuration updates
C. Compiling and loading BPF programs
D. Enforcing network policies on each node
Question 3
Which Cilium components are typically involved during the installation process?
(Choose Two)
A. Cilium Firewall
B. Cilium Agent
C. Cilium Operator
D. Cilium Dashboard
Question 4
Which of the following are key components of Cilium's architecture?
(Choose Two)
A. Cilium Scheduler
B. Cilium Controller
C. Cilium Agent
D. Cilium Operator
Question 5
In what way does eBPF impact the scalability of applications in Cilium?
A. Offers no particular advantages for scaling
B. Facilitates automatic scaling based on real-time metrics
C. Limits the number of concurrent services that can be monitored
D. Provides tools for manual scaling only
Solutions:
| Question 1 Answer: D | Question 2 Answer: A,B | Question 3 Answer: B,C | Question 4 Answer: C,D | Question 5 Answer: B |
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