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Linux Foundation CCA Exam Syllabus Topics:
| Section | Weight | Objectives |
| Topic 1: Cluster Connectivity & Multi-Cluster | 10% | - Cross-cluster networking
- Cilium ClusterMesh
- Service discovery across clusters
|
| Topic 2: Hubble for Observability | 15% | - Network flow logging
- Hubble UI
- Flow visualization
- Hubble CLI (hubble observe)
- Hubble overview and architecture
|
| Topic 3: eBPF Fundamentals | 20% | - eBPF lifecycle and tooling
- eBPF in Kubernetes context
- eBPF basics and concepts
- eBPF program types
- eBPF maps
|
| Topic 4: Cilium Installation & Configuration | 15% | - Cilium agent and operator
- Basic configuration options
- Cilium CLI basics
- Integration with Kubernetes
- Installation methods (Helm, operator)
|
| Topic 5: Cilium Introduction & Fundamentals | 20% | - What is Cilium
- Cilium use cases and benefits
- Cilium vs traditional CNI plugins
- Cilium architecture components
- eBPF overview and relationship with Cilium
|
| Topic 6: Network Policies & Security | 20% | - CiliumNetworkPolicy CRD
- Policy enforcement modes
- Layer 3 and Layer 4 policies
- Policy debugging and visibility
- Layer 7 policies (HTTP, Kafka, DNS)
|
Linux Foundation Cilium Certified Associate (CCA) Sample Questions:
1. What are the benefits of using eBPF over traditional networking technologies like IPtables?
(Choose Three)
A) More granular control over network traffic
B) Higher efficiency in data processing
C) Lower resource consumption on the host machine
D) Enhanced capability for inline debugging and performance tracking
E) Ability to run arbitrary code within the kernel
2. How can Cilium be configured to handle egress traffic in a multi-cloud environment?
(Choose Two)
A) Deploying a uniform set of egress rules in each cloud instance
B) Using BGP to establish routing protocols across cloud providers
C) By setting up a virtual private network between clouds
D) Enforcing a single egress point for all cloud traffic
3. What is a primary requirement for egress connectivity in a Cilium-managed cluster?
A) Reliable external network access for services running in the cluster
B) Ensuring all nodes have identical configurations
C) Constant synchronization with internal DNS servers
D) High bandwidth for internal cluster communication
4. What are the benefits of using BGP in a Cilium environment?
(Choose Two)
A) Simplifies network policy enforcement
B) Minimizes latency by optimizing path selection
C) Allows dynamic routing updates
D) Enhances security with encrypted routing information
5. Which two are major components of Cilium's architecture?
(Choose Two)
A) Kubernetes native scheduling
B) Datapath models
C) IP Address Management (IPAM)
D) Linux kernel customization
Solutions:
Question # 1 Answer: A,B,C | Question # 2 Answer: A,B | Question # 3 Answer: A | Question # 4 Answer: B,C | Question # 5 Answer: B,C |