[Full-Version] 2026 New Preparation Guide of Linux Foundation CCA Exam
CCA Practice Exam - 174 Unique Questions
NEW QUESTION # 65
How does Cilium handle ingress traffic in a service mesh?
- A. Through dynamic DNS resolution
- B. By leveraging the Ingress Controller in Kubernetes
- C. Through its native load balancing capabilities
- D. By directly managing firewall rules
Answer: B
NEW QUESTION # 66
Which tool is commonly used for network observability in cloud-native environments?
- A. All of the above
- B. Prometheus
- C. Grafana
- D. Elastic Stack
Answer: A
NEW QUESTION # 67
What are the benefits of using BGP in a Cilium environment?
(Choose Two)
- A. Minimizes latency by optimizing path selection
- B. Allows dynamic routing updates
- C. Enhances security with encrypted routing information
- D. Simplifies network policy enforcement
Answer: A,B
NEW QUESTION # 68
Which features are supported by Cilium's Cluster Mesh?
(Choose Two)
- A. Cross-cluster service discovery
- B. Load balancing across clusters
- C. Centralized logging of all cluster events
- D. Automatic IP address management across clusters
Answer: A,B
NEW QUESTION # 69
What are some common issues that can occur during Cilium installation?
(Choose Two)
- A. Insufficient disk space on the nodes
- B. Incompatible Kubernetes version
- C. Conflicting network policies
- D. Missing network interface on the nodes
Answer: B,D
NEW QUESTION # 70
How does Cilium handle service discovery across multiple clusters in a Cluster Mesh setup?
- A. By replicating DNS entries across clusters
- B. By manually configuring service endpoints in each cluster
- C. By using Kubernetes services with CrossCluster Service discovery
- D. Through a centralized database storing all service records
Answer: C
NEW QUESTION # 71
How can Hubble be accessed for monitoring network flows in a Cilium environment?
- A. Via a command-line interface or the Hubble UI
- B. Through manual inspection of log files
- C. Using custom shell scripts
- D. Through direct integration with Kubernetes dashboards
Answer: A
NEW QUESTION # 72
What are the key differences between eBPF and traditional IPtables-based platforms?
(Choose Two)
- A. eBPF is limited to small-scale network environments
- B. eBPF allows for dynamic policy updates without service interruption
- C. IPtables provides better integration with cloud-native applications
- D. IPtables requires more manual configuration and maintenance
Answer: B,D
NEW QUESTION # 73
What is a unique feature of Cilium's IPAM compared to traditional Kubernetes IPAM solutions?
- A. Fine-grained allocation of pod IP addresses
- B. Static IP assignment for pods
- C. Exclusive use of IPv6
- D. Dependence on external DHCP services
Answer: A
NEW QUESTION # 74
Which Cilium component is responsible for managing service-to-service communication in a service mesh?
- A. Cilium Envoy
- B. Cilium CLI
- C. Cilium Operator
- D. Cilium Agent
Answer: D
NEW QUESTION # 75
What role does the cilium monitor command play in managing network policies?
- A. It triggers automated testing of network policies.
- B. It logs and monitors traffic allowed or denied by Cilium policies.
- C. It monitors the status of BPF programs in the kernel.
- D. It audits the configuration of network policies.
Answer: B
NEW QUESTION # 76
Which of the following statements about Cilium's network policy capabilities are true?
(Choose Two)
- A. Supports external traffic routing only
- B. Can isolate namespaces from each other
- C. Requires manual restarts for updates
- D. Allows setting policies based on Kubernetes labels
Answer: B,D
NEW QUESTION # 77
What distinguishes a sidecar-based architecture from a sidecarless one in the context of a service mesh?
- A. Sidecar-based architecture requires more memory allocation.
- B. Sidecarless architecture depends on external hardware for service communication.
- C. Sidecar-based architecture involves deploying a proxy alongside each service instance.
- D. Sidecarless architecture has better support for multi-cloud environments.
Answer: C
NEW QUESTION # 78
What command would you use with Cilium CLI to install Cilium on a Kubernetes cluster?
- A. cilium start
- B. cilium deploy
- C. cilium install
- D. cilium setup
Answer: C
NEW QUESTION # 79
Which capabilities does Hubble provide for improving network observability?
(Choose Two)
- A. Real-time alerting for specific network events
- B. Automated deployment of Kubernetes pods
- C. Enhanced API access management
- D. Historical data analysis and trend prediction
Answer: A,D
NEW QUESTION # 80
How does Cluster Mesh facilitate service discovery across multiple clusters?
- A. Through a shared DNS that resolves service names across clusters
- B. By replicating all services to each cluster
- C. Using a centralized service registry accessible by all clusters
- D. By limiting services to only their home clusters
Answer: A
NEW QUESTION # 81
Which command is used to update Cilium to the latest version?
- A. cilium refresh
- B. cilium install --upgrade
- C. cilium update
- D. cilium upgrade
Answer: B
NEW QUESTION # 82
Which Kubernetes feature does Cilium extend to enforce more sophisticated network policies?
- A. Kubernetes NetworkPolicy
- B. Kubernetes StatefulSets
- C. Kubernetes ConfigMaps
- D. Kubernetes Ingress Controllers
Answer: A
NEW QUESTION # 83
Which format is typically used for defining network policies in a Kubernetes cluster?
- A. HTTP
- B. TCP
- C. UDP
- D. YAML
Answer: D
NEW QUESTION # 84
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