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Linux Foundation CCA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Network Policy | 18% | - Cilium network policies and intent - Kubernetes vs Cilium policies - Identity-based security model - Policy enforcement modes - Policy rule structure |
| Installation and Configuration | 10% | - Configuration management - Connectivity testing - Cilium CLI usage - Installation methods |
| Cluster Mesh | 10% | - Cross-cluster service discovery - Load balancing across clusters - Multi-cluster connectivity benefits |
| Network Observability | 10% | - Monitoring and troubleshooting - Observability features - Metrics and logging |
| BGP and External Networking | 6% | - Egress connectivity - External network integration - BGP configuration basics |
| Service Mesh | 16% | - Traffic encryption - Service mesh use cases - Ingress and Gateway API usage - Sidecar vs sidecarless architecture - Gateway API vs Ingress benefits |
| Architecture | 20% | - Component roles and responsibilities - Cilium architecture overview - Datapath models - IP Address Management (IPAM) - Role of Cilium in Kubernetes environments |
| eBPF | 10% | - Key benefits of eBPF - eBPF vs iptables datapath - Role of eBPF in Cilium |
Linux Foundation Cilium Certified Associate (CCA) Sample Questions:
Question 1
What is required for Cilium Cluster Mesh to function properly?
A. Clusters must be connected via a shared DNS system
B. All clusters must use the same IP address range
C. Clusters must use the same version of Kubernetes
D. Clusters must have a direct network connection
Question 2
What is the key difference between sidecar-based and sidecarless service mesh architectures?
A. The presence of a central management plane
B. The use of individual proxies within each pod
C. The scaling capabilities for large clusters
D. The encryption methods used for intra-service communication
Question 3
Which components are critical to managing ingress traffic in a Cilium-managed service mesh?
(Choose Two)
A. Cilium Operator
B. Cilium CLI
C. Ingress Controller
D. Gateway API
Question 4
How do eBPF-based platforms generally compare to IPtables-based platforms in terms of performance?
A. eBPF offers lower performance but greater security
B. IPtables support more types of network protocols
C. eBPF provides higher performance and greater flexibility
D. IPtables are easier to configure and manage
Question 5
What is the primary advantage of using a sidecar-based architecture in a service mesh?
A. Decoupling application logic from service communication
B. Simplified configuration of application endpoints
C. Centralized logging and monitoring
D. Reduced resource consumption
Solutions:
| Question 1 Answer: D | Question 2 Answer: B | Question 3 Answer: C,D | Question 4 Answer: C | Question 5 Answer: A |
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