Cilium-Associate：最新的Linux Foundation認證Cilium-Associate考題，Cilium Certified AssociateCCA認證

問題1
What is the default policy enforcement behavior?

A. If any rule selects an Endpoint and the rule has an ingress section, the Endpoint goes Into default deny at egress. f any rule selects an Endpoint and the rule has an egress section, the Endpoint goes into default deny at ingress.

B. If any rule selects an Endpoint and the rule has an ingress section, the Endpoint goes Into default allow at egress, f any rule selects an Endpoint and the rule has an egress section, the Endpoint goes into default allow at ingress.

C. If any rule selects an Endpoint and the rule has an ingress section, the Endpoint goes into default deny at ingress. f any rule selects an Endpoint and the rule has an egress section, the Endpoint goes into default deny at egress.

D. If any rule selects an Endpoint and the rule has an ingress section, the Endpoint goes Into default allow at Ingress, f any rule selects an Endpoint and the rule has an egress section, the Endpoint goes into default allow at egress.

正確答案: C

問題2
You are managing two Kubernetes clusters, labeled as Cluster A and Cluster B, both of which have Cilium installed. You want to mesh Cluster A and Cluster B together The following characteristics define these clusters:
# Both clusters are configured In encapsulation mode.
# The PodCIDR ranges differ: Cluster A uses 192.168.0.0723, while Cluster B uses 192.168.2.0/24.
# There is IP connectivity between the nodes in all clusters using their respective InternallP addresses.
# The network infrastructure between the clusters enables inter-cluster communication.
# Cluster A runs Kubernetes version 1.28, and Cluster B runs Kubernetes version 1.27.
# Cilium versions also differ, with Cluster A using version 1.14 and Cluster B using version 1.13.
# Both clusters share the same cluster name and cluster ID.
# The Cilium certificate authority differs between Cluster A and Cluster B.
Is it possible to create a cluster mesh given the conditions?

A. No, Cilium certificate authority must be the same to deploy a cluster mesh. You cannot change that after installation

B. Yes. but you need to change the cluster name and cluster ID before

C. Yes, but you need to upgrade cilium version of Cluster B

D. No. cluster name and cluster ID must be different. You cannot change that after installation.

正確答案: B

說明：（僅 PDFExamDumps 成員可見）

問題3
A user has set up a global service as a Kubernetes user with access to clusters in a Cilium Cluster Mesh. They notice that all traffic is going to remote backend pods. What is a possible explanation?

A. There are no local endpoints matching the selector for the service.

B. The service.cilium.io/affinity: "none" annotation Is set on the service.

C. The cluster is not part of the Cilium Cluster Mesh.

D. The service.cilium.io/shared: "false" annotation is set on the service.

正確答案: A

說明：（僅 PDFExamDumps 成員可見）

問題4
A Kubernetes cluster is not currently running Cilium as a CNI, but the user would like to benefit from Hubbies observability capabilities on your cluster. Which one of the following options is NOT possible?

A. Migrating to Cilium and Hubble by reconfiguring /etc/cni/net .6/ to point to Cilium and restarting the nodes, accepting an outage.

B. Install Hubble on the cluster without Cilium. Hubble can be deployed in a standalone model by downloading and installing the Hubble binary

C. Install Cilium and Hubble on top of the cluster in a CNI chaining model, without disrupting the existing CNI.

D. Migrating to Cilium and Hubble on a node-by-node basis, without requiring a complete cluster outage, by using Dual Overlays.

正確答案: B

說明：（僅 PDFExamDumps 成員可見）

問題5
What is the purpose of the 12 Announcements" feature?

A. To enforce Layer 2-based network security policies.

B. To provide DNS-based service discovery within the cluster.

C. To make services visible and reachable on the local area network.

D. To support Layer 2 multicast traffic within Kubernetes.

正確答案: C

說明：（僅 PDFExamDumps 成員可見）

問題6
What is NOT a valid description of the sidecar-based model?

A. pod start-up time can be significantly slowed by the Injection of sidecars, or worse, It can cause race conditions or other instabilities.

B. With sidecars, the instrumentation container is Injected into each pod. The application pod has to be restarted for the sidecar to be added.

C. The sidecar approach used by service meshes forces the instrumentation into the source code of the application.

D. Using a networking sidecar means that all traffic to and from the application has to travel through the network stack to reach a proxy container

正確答案: C

說明：（僅 PDFExamDumps 成員可見）

問題7
Which one of the following best describes the role Cilium provides in Kubernetes?

A. Cilium is a Container Networking Interface (CNI).

B. Cilium is a monitoring tool for container metrics.

C. Cilium is a Container Storage Interface (CSI).

D. Cilium is a logging mechanism for pod operations.

正確答案: A

說明：（僅 PDFExamDumps 成員可見）

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