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You must install a basic Kubernetes cluster.
Which tool would you use in this situation?
To install a basic Kubernetes cluster, you need a tool that simplifies the process of bootstrapping and configuring the cluster. Let's analyze each option:
A . kubeadm
Correct:
kubeadm is a command-line tool specifically designed to bootstrap a Kubernetes cluster. It automates the process of setting up the control plane and worker nodes, making it the most suitable choice for installing a basic Kubernetes cluster.
B . kubectl apply
Incorrect:
kubectl apply is used to deploy resources (e.g., pods, services) into an existing Kubernetes cluster by applying YAML or JSON manifests. It does not bootstrap or install a new cluster.
C . kubectl create
Incorrect:
kubectl create is another Kubernetes CLI command used to create resources in an existing cluster. Like kubectl apply, it does not handle cluster installation.
D . dashboard
Incorrect:
The Kubernetes dashboard is a web-based UI for managing and monitoring a Kubernetes cluster. It requires an already-installed cluster and cannot be used to install one.
Why kubeadm?
Cluster Bootstrapping: kubeadm provides a simple and standardized way to initialize a Kubernetes cluster, including setting up the control plane and joining worker nodes.
Flexibility: While it creates a basic cluster, it allows for customization and integration with additional tools like CNI plugins.
JNCIA Cloud Reference:
The JNCIA-Cloud certification covers Kubernetes installation methods, including kubeadm. Understanding how to use kubeadm is essential for deploying and managing Kubernetes clusters effectively.
For example, Juniper Contrail integrates with Kubernetes clusters created using kubeadm to provide advanced networking and security features.
Kubernetes Documentation: kubeadm
Juniper JNCIA-Cloud Study Guide: Kubernetes Installation