如果你使用了我們的Linux Foundation的Cilium-Associate學習資料資源，一定會減少考試的時間成本和經濟成本，有助於你順利通過考試，在你決定購買我們Linux Foundation的Cilium-Associate之前，你可以下載我們的部門免費試題，其中有PDF版本和軟體版本，如果需要軟體版本請及時與我們客服人員索取。
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Observability | 10% | - Hubble architecture and CLI usage - Hubble UI and troubleshooting basics - Layer 7 visibility and flow monitoring |
| Topic 2: Service Mesh | 16% | - Ingress and Gateway API integration - Transparent traffic encryption - Sidecar vs sidecarless architecture |
| Topic 3: Cluster Mesh | 10% | - Cross-cluster load balancing and failover - Multi-cluster connectivity and service discovery |
| Topic 4: Network Policy | 18% | - Cilium vs Kubernetes network policies - Policy enforcement modes - Identity-aware and L3–L7 policy models |
| Topic 5: BGP and External Networking | 6% | - BGP peering and service advertisement - External gateway integration |
| Topic 6: Architecture | 20% | - CNI integration and kube-proxy replacement - Cilium core architecture and components |
| Topic 7: eBPF | 10% | - eBPF fundamentals and relevance to Cilium - eBPF-based networking, security, and observability |
| Topic 8: Installation and Configuration | 10% | - Deployment methods (Helm, cilium-cli) - Post-install validation and connectivity testing |
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問題 #48
This an Ingress configuration. What is the equivalent Gateway API configuration?
Question 19 source Ingress
A)
Question 19 option A
B)
Question 19 option B
C)
Question 19 option C
D)
Question 19 option D
答案：C
解題說明：
Technical explanation
Option B correctly represents the Ingress as a Gateway and an attached HTTPRoute . The Gateway is named cilium , uses gatewayClassName: cilium , and exposes an HTTP listener on port 80. The HTTPRoute uses parentRefs with the same Gateway name, cilium , so the route attaches to the declared listener. Its two rules preserve the original routing behavior: /details with PathPrefix targets the details Service on port 9080, while / with PathPrefix targets productpage on port 9080.
Option A declares a Gateway named cilium but attaches its route to nginx-gateway . Because the parent reference does not identify the displayed Gateway, it is not equivalent. Options C and D use kind: Route ; the correct resource kind for HTTP path routing is HTTPRoute . They also contain malformed or altered backend and matching fields. Option D changes the details backend name, while option C contains incorrect route structure and path content.
Cilium's official migration example uses the same conversion pattern: the Ingress class becomes the Gateway' s class, paths move into HTTPRoute.rules , and the route identifies its Gateway through parentRefs .
The supplied key incorrectly identifies A. The verified answer is B.
Official references
HTTP Migration Example .
Study Guide topic: Service Mesh.
問題 #49
Which one of the following commands will correctly display show the Cilium configuration?
答案：A
解題說明：
Technical explanation
cilium config view is the Cilium CLI command used to display the current Cilium configuration. It reads the configuration associated with the selected Kubernetes context, Cilium namespace, and Helm release. The command belongs to the cilium config command group, which manages installation configuration.
Option B reverses the expected command structure and does not correspond to a documented Cilium CLI operation. Option D resembles command syntax used on traditional network appliances but is not part of the Cilium CLI. Option C is both textually corrupted and conceptually inaccurate: Cilium configuration is not generally exposed through a cluster-wide resource named ciliumconfig.cilium.io . Runtime settings are commonly represented through the Cilium ConfigMap and Helm release values, while specialized resources such as CiliumNodeConfig apply targeted per-node configuration.
The wording "display show" is a source-bank editing defect but does not affect the answer. Administrators should also distinguish the external cilium management CLI from cilium-dbg , which runs with or communicates with the node-local Cilium agent and provides detailed datapath and agent diagnostics.
Official references
cilium config view , Cilium Component Overview
Study Guide topic: Cilium CLI configuration inspection and command structure.
問題 #50
Which one of the following best describes the role Cilium provides in Kubernetes?
答案：A
解題說明：
Technical explanation
Cilium functions as a Kubernetes Container Network Interface implementation. When Kubernetes creates or removes a pod sandbox, the container runtime invokes the configured CNI plugin. Cilium establishes the pod' s network connectivity, connects the workload to the node's networking environment, allocates or obtains an address through the configured IPAM mode, and coordinates the endpoint with the Cilium agent. Its eBPF datapath then supplies routing, service load balancing, policy enforcement, and network visibility.
Cilium provides substantially more functionality than the minimum CNI contract, but those additional capabilities do not change its primary Kubernetes networking role. Hubble supplies integrated network observability, yet Cilium is not merely a container-metrics monitor. Resource utilization such as CPU and memory is normally handled through Kubernetes metrics and monitoring systems.
Cilium is also not a Container Storage Interface. CSI drivers manage storage volumes, attachment, mounting, and lifecycle operations, which are unrelated to Cilium's primary responsibilities. Nor is Cilium simply a pod- operation logging mechanism. It can emit datapath events and diagnostic logs, but those are supporting capabilities.
Accordingly, D provides the correct architectural classification for Cilium in a Kubernetes cluster.
Official references
Introduction to Cilium and Hubble ; Cilium Helm Installation .
Study Guide topic: Architecture.
問題 #51
You want to consult the current Cilium configuration using the Cilium CLI. Which command should you use?
答案：A
解題說明：
Technical explanation
cilium config view is the Cilium CLI command intended to display the current configuration. It reads the configuration associated with the selected Kubernetes context, Cilium namespace, and Helm release and presents the relevant settings for inspection. This makes D the direct answer.
cilium status performs a different function. It reports the health and readiness of Cilium components such as the agent DaemonSet, operator, Envoy, Hubble Relay, and Cluster Mesh. Although status output may reveal a small amount of deployment information, it is not a complete configuration-viewing command.
cilium sysdump collects a comprehensive troubleshooting archive containing Kubernetes resources, component logs, command output, configuration data, and other diagnostic evidence. It is appropriate when preparing a support bundle, but it is unnecessarily broad for simply consulting the current configuration.
cilium context deals with Kubernetes context selection or inspection rather than displaying Cilium's configured values.
The Cilium CLI organizes configuration operations under the cilium config command group. Related subcommands include set , delete , and view . Because the requested action is read-only inspection of the existing settings, view is the appropriate subcommand.
Official references
Cilium CLI `config view` .
Study Guide topic: Installation and Configuration.
問題 #52
Among the definitions provided for the entities host, remote-node, cluster, and all, which description is accurate in the context of Cilium network policy?
答案：C
解題說明：
Technical explanation
The host entity represents the local node on which the selected Cilium endpoint resides. It also includes processes and containers using the local host network namespace. Therefore, A reproduces the official entity definition accurately.
The remote-node entity does not represent arbitrary unmanaged endpoints. It represents hosts other than the local node across the local cluster and connected clusters, including host-networked containers on those nodes. Unmanaged endpoints instead have the reserved unmanaged identity.
Option C gives the definition of the separate kube-apiserver entity, not cluster . The cluster entity is the logical collection of endpoints and reserved identities inside the local cluster, including Cilium-managed endpoints, unmanaged local endpoints, hosts, remote nodes, health, ingress, initialization, and kube-apiserver identities. Current documentation separately provides a cluster-mesh entity for endpoints in connected clusters.
Option D confuses all with world . world represents endpoints outside the cluster. all covers all identities and is not simply equivalent to the IPv4 CIDR 0.0.0.0/0 , particularly in identity-aware, node, and IPv6 contexts.
Official references
Cilium Layer 3 Policy Entities , Cilium Reserved Identities
Study Guide topic: Reserved entities and identity-based Layer 3 policies.
問題 #53
......
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