CNI Installation

Install and configure one Container Network Interface (CNI) plugin from the options below. Available options Flannel v0.26.1 — manifest: kube-flannel.yml…

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The task

Task

Install and configure one Container Network Interface (CNI) plugin from the options below.

Available options

Flannel v0.26.1 — manifest: kube-flannel.yml

https://github.com/flannel-io/flannel/releases/download/v0.26.1/kube-flannel.yml

Calico v3.28.2 — install the Tigera operator manifest, then apply the Calico custom resources manifest

https://raw.githubusercontent.com/projectcalico/calico/v3.28.2/manifests/tigera-operator.yaml https://raw.githubusercontent.com/projectcalico/calico/v3.28.2/manifests/custom-resources.yaml

Requirements

The CNI you install must:

allow pods to communicate with each other
support Kubernetes NetworkPolicy enforcement
be installed from manifests

Exam

CKA

Domain

Cluster Architecture, Installation & Configuration

Grading

Programmatic · partial credit

Reference

Kubernetes docs ↗

What this tests

Build clusters with kubeadm, manage RBAC, etcd, and the control plane, and install a CNI. On the CKA exam, Cluster Architecture, Installation & Configuration tasks are graded purely on what you build in the cluster — not multiple choice — so the only way to get faster is to do them on a real cluster against a clock.

Practice it for real

prepium.sh drops you into your own isolated Kubernetes cluster in the browser — no install, no credit card. You solve the task in a real terminal, hit validate, and a programmatic checker scores exactly what you got right and wrong (with partial credit). The canonical solution unlocks after you attempt it, so you learn the fast, exam-ready way to do it.

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