Linux Foundation CCA Premium Exam Engine pdf - Download Free Updated 174 Questions
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NEW QUESTION # 70
How does Cilium integrate with BGP to support external networking in Kubernetes?
(Choose Two)
- A. By automating the assignment of pod IP addresses
- B. By enabling cross-cluster communication through BGP peering
- C. By providing DNS resolution for internal services
- D. By routing traffic between Kubernetes clusters and external networks
Answer: B,D
NEW QUESTION # 71
How does BGP enhance connectivity for a Cilium-managed Kubernetes cluster?
- A. By automating internal IP address management
- B. Reducing the load on the cluster's ingress controllers
- C. Providing robust routes to external networks
- D. Isolating the cluster from external network failures
Answer: C
NEW QUESTION # 72
Which component of Cilium is primarily responsible for interpreting and enforcing network policies?
- A. Cilium Envoy
- B. Cilium Operator
- C. Cilium Agent
- D. Cilium CLI
Answer: C
NEW QUESTION # 73
What is the benefit of using sidecarless architecture in a service mesh managed by Cilium?
- A. Simplified monitoring of service interactions
- B. Enhanced logging capabilities
- C. Easier configuration of network policies
- D. Reduced latency and overhead
Answer: D
NEW QUESTION # 74
How does Cilium handle traffic between different Kubernetes namespaces?
- A. By automatically allowing traffic between all namespaces
- B. By applying default allow-all policies across namespaces
- C. By isolating namespaces unless explicitly allowed by policies
- D. By using Kubernetes ServiceAccounts as the primary identity
Answer: C
NEW QUESTION # 75
Which benefits does BGP provide in managing external network connectivity for Cilium-managed clusters?
(Choose Two)
- A. High availability through automatic route failover
- B. Dynamic routing updates without service interruption
- C. Simplified management of Kubernetes service meshes
- D. Enhanced control over Kubernetes pod scheduling
Answer: A,B
NEW QUESTION # 76
How does Cilium enhance the security model over traditional firewalls?
- A. Prioritizing traffic based on port numbers only
- B. Through dynamic policy updates without restarting pods
- C. Employing a static rule set that rarely needs updates
- D. By using hardware-based filtering
Answer: B
NEW QUESTION # 77
A cluster mesh is beneficial for which of the following scenarios?
- A. Simplifying application deployment
- B. Reducing operational costs
- C. Managing multiple clusters as one
- D. Improving single cluster performance
Answer: A,C
NEW QUESTION # 78
To run a connectivity test using Cilium CLI, which command should be executed?
- A. cilium run-test
- B. cilium check connectivity
- C. cilium test connectivity
- D. cilium connectivity test
Answer: D
NEW QUESTION # 79
Which benefits does Cilium's sidecarless service mesh architecture offer over traditional sidecar-based approaches?
(Choose Two)
- A. Improved compatibility with legacy applications
- B. Lower latency in service communication
- C. Reduced CPU and memory overhead
- D. Enhanced security through network isolation
Answer: B,C
NEW QUESTION # 80
Which of the following is a prerequisite for installing Cilium in a Kubernetes environment?
- A. The cluster must use IPVS for load balancing
- B. Nodes must have at least 8 GB of RAM
- C. Kubernetes must be running version 1.16 or later
- D. Helm must be installed
Answer: C
NEW QUESTION # 81
What is a key benefit of using Gateway API over traditional Ingress in a service mesh environment?
- A. Improved logging capabilities
- B. Better integration with external monitoring tools
- C. Increased flexibility in routing and policy enforcement
- D. Easier deployment of services
Answer: C
NEW QUESTION # 82
Cilium's integration with Kubernetes allows for which of the following capabilities?
- A. Native API support for defining security policies
- B. Management of cloud provider-specific networking solutions
- C. Automatic scaling of nodes and pods based on traffic
- D. Direct management of host networking
Answer: A
NEW QUESTION # 83
Cilium uses which technology to manage network policies at scale?
- A. OpenFlow
- B. eBPF
- C. OVS
- D. Docker Swarm
Answer: B
NEW QUESTION # 84
How does Cilium provide network security?
- A. Through encrypted databases
- B. Using traditional VPN services
- C. Via external firewall integrations
- D. By implementing identity-based security policies
Answer: D
NEW QUESTION # 85
What does the "Cilium CLI" primarily provide for Cilium in Kubernetes environments?
- A. An interface for configuring the Linux kernel
- B. A command-line interface for installing, managing, and monitoring Cilium
- C. A GUI for visualizing network policies
- D. A logging tool for Kubernetes events
Answer: B
NEW QUESTION # 86
How can traffic be encrypted in transit within a Cilium-managed service mesh?
(Choose Two)
- A. Employing WireGuard integration at the node level
- B. Using native Kubernetes secrets for encryption
- C. Implementing TLS termination at the Gateway
- D. Utilizing IPsec for data plane encryption
Answer: A,D
NEW QUESTION # 87
Which command is used to test connectivity after installing Cilium in a Kubernetes cluster?
- A. cilium test-connectivity
- B. cilium check-connectivity
- C. cilium ping
- D. cilium connectivity test
Answer: D
NEW QUESTION # 88
What distinguishes sidecar-based architectures from sidecarless ones in service mesh deployments?
(Choose Two)
- A. Higher resource consumption in sidecar-based setups due to additional proxies
- B. Enhanced security isolation in sidecarless architectures
- C. Sidecarless architectures typically exhibit lower latency due to fewer proxy hops
- D. Requirement for a dedicated proxy for each service instance in sidecar-based architectures
Answer: A,D
NEW QUESTION # 89
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
Answer: B
NEW QUESTION # 90
What is a unique feature of Cilium's IPAM compared to traditional Kubernetes IPAM solutions?
- A. Dependence on external DHCP services
- B. Fine-grained allocation of pod IP addresses
- C. Exclusive use of IPv6
- D. Static IP assignment for pods
Answer: B
NEW QUESTION # 91
What is Hubble primarily used for in a Kubernetes environment?
- A. Observing network traffic and security policies
- B. Managing cluster storage
- C. Handling cluster authentication
- D. Deploying new applications
Answer: A
NEW QUESTION # 92
Which of the following statements accurately describe the differences between Kubernetes and Cilium network policies?
- A. Kubernetes network policies support identity-based rules
- B. Kubernetes policies are mainly focused on IP-based rules
- C. Cilium requires additional plugins for network policy enforcement
- D. Cilium extends capabilities to support security at API level
Answer: B,D
NEW QUESTION # 93
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