VISUAL BASIC

INTRODUCTION TO NET

APPLICATION DEVELOPMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the three processes that are part of the Kubernetes Master in a Kubernetes cluster?
A
The process are:kubelet, kube-proxy and kube-controller
B
The processes are:kube-aplserver, kube-controller manager and kube-scheduler.
C
The processare:kubectl, kubelet and kube-proxy.
D
The processes are:oke kube-aplserver, oke-kube-controller-manager and oke-kube-scheduler.
Explanation: 

Detailed explanation-1: -Kubernetes Components and Architecture The master server consists of various components including a kube-apiserver, an etcd storage, a kube-controller-manager, a cloud-controller-manager, a kube-scheduler, and a DNS server for Kubernetes services.

Detailed explanation-2: -The Kubernetes cluster master runs the Kubernetes control plane processes, including the Kubernetes API server, scheduler, and core resource controllers. The following master components are required on a Kubernetes cluster: kube-apiserver. Master component that exposes the Kubernetes API for all operations.

Detailed explanation-3: -Kubernetes is a modular platform with three components groups: Master, Worker, and Addons; making Kubernetes flexible and extensible.

Detailed explanation-4: -Having multiple master nodes ensures that services remain available should master node(s) fail. In order to facilitate availability of master services, they should be deployed with odd numbers (e.g. 3, 5, 7, 9 etc.) so quorum (master node majority) can be maintained should one or more masters fail.

Detailed explanation-5: -The Kubernetes API server validates and configures data for the api objects which include pods, services, replicationcontrollers, and others. The API Server services REST operations and provides the frontend to the cluster’s shared state through which all other components interact.

Detailed explanation-6: -etcd. It stores the configuration information which can be used by each of the nodes in the cluster. API Server. Controller Manager. Scheduler. Docker. Kubelet Service. Kubernetes Proxy Service.

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