Linux Foundation Cilium Certified Associate (CCA) - CCA FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

How can traffic be encrypted in transit within a Cilium-managed service mesh?
(Choose Two)

A. Implementing TLS termination at the Gateway B. Employing WireGuard integration at the node level C. Utilizing IPsec for data plane encryption D. Using native Kubernetes secrets for encryption

Discussion 0

Correct Answer: B,C Vote an answer

Question 2

What does the cilium monitor command provide?

A. Real-time visibility into API calls B. Log analysis C. System resource usage D. Real-time monitoring of network events

Discussion 0

Correct Answer: D Vote an answer

Question 3

Which Kubernetes feature does Cilium extend to enforce more sophisticated network policies?

A. Kubernetes StatefulSets B. Kubernetes Ingress Controllers C. Kubernetes ConfigMaps D. Kubernetes NetworkPolicy

Discussion 0

Correct Answer: D Vote an answer

Question 4

How does Cilium enforce network policies across pod-to-pod communications?

A. By dynamically inserting BPF programs into the Linux kernel B. Through IP-based rules managed by iptables C. By deploying sidecar proxies in each pod D. By relying on external firewall configurations

Discussion 0

Correct Answer: A Vote an answer

Question 5

What distinguishes sidecar-based architectures from sidecarless ones in service mesh deployments?
(Choose Two)

A. Sidecarless architectures typically exhibit lower latency due to fewer proxy hops B. Higher resource consumption in sidecar-based setups due to additional proxies C. Enhanced security isolation in sidecarless architectures D. Requirement for a dedicated proxy for each service instance in sidecar-based architectures

Discussion 0

Correct Answer: B,D Vote an answer

Question 6

What is the primary role of Cilium in Kubernetes environments?

A. Network policy enforcement B. Load balancing C. Intrusion detection D. Data replication

Discussion 0

Correct Answer: A Vote an answer

Question 7

What is a unique feature of Cilium's IPAM compared to traditional Kubernetes IPAM solutions?

A. Dependence on external DHCP services B. Exclusive use of IPv6 C. Static IP assignment for pods D. Fine-grained allocation of pod IP addresses

Discussion 0

Correct Answer: D Vote an answer

Question 8

How can you modify an existing Cilium configuration using the CLI?

A. cilium update B. cilium config C. cilium set-config D. cilium modify

Discussion 0

Correct Answer: B Vote an answer

Question 9

What best describes the approach Cilium takes to network security within a Kubernetes environment?

A. Identity and API-aware policy enforcement B. Use of external devices for traffic management and control C. Purely IP address-based rule enforcement D. Manual configuration and maintenance of network policies

Discussion 0

Correct Answer: A Vote an answer

Question 10

Which of the following are key benefits of eBPF?
(Choose Two)

A. Allows for kernel-level logging without additional overhead B. Simplifies application-level encryption C. Enables dynamic code execution in the Linux kernel D. Reduces the need for custom hardware acceleration

Discussion 0

Correct Answer: C,D Vote an answer

Question 11

Which steps are involved in troubleshooting a failed Cilium installation?
(Choose two)

A. Review the Cilium logs using kubectl logs B. Restart the Kubernetes master node C. Re-run the cilium install command with increased verbosity D. Upgrade the Kubernetes version to 1.20

Discussion 0

Correct Answer: A,C Vote an answer

Question 12

Which of the following are common use cases for a service mesh?
(Choose Two)

A. Managing stateful applications B. Automated service discovery and load balancing C. Offloading SSL processing from application pods D. Centralized management of network policies

Discussion 0

Correct Answer: B,C Vote an answer

Question 13

What makes eBPF particularly well-suited for use in cloud-native environments?

A. Its capability to run on any Linux distribution B. Its native support for containerized applications C. Its ability to handle high levels of encrypted traffic D. Its flexibility in performing network operations at near-native speed

Discussion 0

Correct Answer: D Vote an answer