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Linux Foundation CCA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Service Mesh | 16% | - Sidecar vs sidecarless architecture - Traffic encryption - Gateway API vs Ingress benefits - Ingress and Gateway API usage - Service mesh use cases |
| Topic 2: BGP and External Networking | 6% | - Egress connectivity - External network integration - BGP configuration basics |
| Topic 3: Cluster Mesh | 10% | - Cross-cluster service discovery - Multi-cluster connectivity benefits - Load balancing across clusters |
| Topic 4: eBPF | 10% | - Role of eBPF in Cilium - Key benefits of eBPF - eBPF vs iptables datapath |
| Topic 5: Architecture | 20% | - Component roles and responsibilities - Datapath models - Role of Cilium in Kubernetes environments - IP Address Management (IPAM) - Cilium architecture overview |
| Topic 6: Network Policy | 18% | - Identity-based security model - Policy enforcement modes - Cilium network policies and intent - Policy rule structure - Kubernetes vs Cilium policies |
| Topic 7: Network Observability | 10% | - Monitoring and troubleshooting - Metrics and logging - Observability features |
| Topic 8: Installation and Configuration | 10% | - Installation methods - Cilium CLI usage - Connectivity testing - Configuration management |
Linux Foundation Cilium Certified Associate (CCA) Sample Questions:
1. What is a primary use case for employing an Ingress or Gateway API in a service mesh environment?
A) Internal cluster communication
B) Load balancing external traffic
C) Node-level logging
D) Persistent storage management
2. How does encrypting traffic in transit with Cilium enhance security in a service mesh environment?
A) It replaces the need for application-level encryption
B) It enables compliance with external audit requirements
C) It prevents unauthorized data access from within the cluster
D) It secures data against external threats only
3. eBPF is an abbreviation for which of the following?
A) Extended Berkeley Packet Filter
B) None of the above
C) Enhanced Binary Programming Framework
D) Elastic Backend Platform Facility
4. What is a unique feature of Cilium's IPAM when compared to traditional IPAM solutions in Kubernetes environments?
A) It can operate without any CNI plugins
B) It uses a centralized database for address management
C) It supports IPv6 only
D) It allows for fine-grained allocation of pod IP addresses
5. Which of the following is a prerequisite for installing Cilium in a Kubernetes environment?
A) Helm must be installed
B) Kubernetes must be running version 1.16 or later
C) The cluster must use IPVS for load balancing
D) Nodes must have at least 8 GB of RAM
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: C | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: B |
