Kubernetes architecture

What is a Cluster?

• A set of node machines for running containerized applications

• one computer program that provides services to other computers

• A specific set of ordered operations

• A software package that performs a specific function for an end user

Which one of the following can be considered as the primary data store (database) of Kubernetes?

• Pod

• Node

• ETCD

• None of these

What is the purpose of a ReplicaSet?(choose 2 answers)

• to maintain a stable set of replica(duplicate) Pods running at any given time

• guarantee the availability of a specified number of identical Pods

• To create and maintain volumes

• To prevent clones from invading other clusters

Which of the following runs on each worker node and ensures containers are running in a pod?

• Pod

• ETCD

• Kubelet

• Scheduler

which of the following manages the assigning nodes to pods depending on resource availability?

• Scheduler

• Etcd

• Pod

• flanneld

Which of the following are the components of Kubernetes Master Node (machine)

• Scheduler

• Controller Manager

• API server & ETCD

• All of these

Which of the following are kubernetes worker Node components?

• Container Runtime

• Kubelet Service

• Kube proxy

• All of these