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Linux Foundation CCA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Installation and Configuration | 10% | - Configuration management - Installation methods - Cilium CLI usage - Connectivity testing |
| Cluster Mesh | 10% | - Cross-cluster service discovery - Multi-cluster connectivity benefits - Load balancing across clusters |
| Service Mesh | 16% | - Gateway API vs Ingress benefits - Traffic encryption - Service mesh use cases - Ingress and Gateway API usage - Sidecar vs sidecarless architecture |
| BGP and External Networking | 6% | - External network integration - BGP configuration basics - Egress connectivity |
| Network Observability | 10% | - Observability features - Monitoring and troubleshooting - Metrics and logging |
| Architecture | 20% | - Cilium architecture overview - Datapath models - Component roles and responsibilities - IP Address Management (IPAM) - Role of Cilium in Kubernetes environments |
| Network Policy | 18% | - Identity-based security model - Cilium network policies and intent - Kubernetes vs Cilium policies - Policy rule structure - Policy enforcement modes |
| eBPF | 10% | - eBPF vs iptables datapath - Role of eBPF in Cilium - Key benefits of eBPF |
Linux Foundation Cilium Certified Associate (CCA) Sample Questions:
Which of the following are essential functionalities of Cilium in managing Kubernetes network policies?
(Choose Two)
- A. Pod-to-pod encryption
- B. Inter-cluster communication management
- C. External load balancing
- D. Access control based on application protocol
Correct Answer: B,D 🗳️
Which benefits does Cilium's sidecarless service mesh architecture offer over traditional sidecar-based approaches?
(Choose Two)
- A. Reduced CPU and memory overhead
- B. Improved compatibility with legacy applications
- C. Enhanced security through network isolation
- D. Lower latency in service communication
Correct Answer: A,D 🗳️
Which of the following statements accurately describe the differences between Kubernetes and Cilium network policies?
- A. Kubernetes network policies support identity-based rules
- B. Cilium extends capabilities to support security at API level
- C. Kubernetes policies are mainly focused on IP-based rules
- D. Cilium requires additional plugins for network policy enforcement
Correct Answer: B,C 🗳️
What is the primary purpose of Cilium's Cluster Mesh feature?
- A. To enable multi-cluster connectivity and service discovery
- B. To monitor network traffic between pods
- C. To provide a backup of Kubernetes configurations
- D. To manage storage volumes across clusters
Correct Answer: A 🗳️
In a Cilium-managed service mesh, how is traffic typically encrypted in transit between microservices?
- A. By relying on Kubernetes Ingress resources
- B. By deploying additional firewall rules
- C. Through IPsec tunnels
- D. Using built-in TLS encryption at the service level
Correct Answer: D 🗳️
Daphne -
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