Week 4 - test K8s - PArt 2

What does a Role define in Kubernetes RBAC?

• Permissions within a namespace

• Permissions cluster-wide

• Node-specific configurations

• • Pod-specific annotations

Which command creates a ConfigMap from a file?

• kubectl create configmap myconfig --from-file=config.txt

• kubectl apply configmap myconfig --from-file=config.txt

• kubectl set configmap myconfig --from-file=config.txt

• kubectl add configmap myconfig --from-file=config.txt

What is the primary function of an Ingress Controller in Kubernetes?

• To expose services externally using DNS

• To manage internal DNS records

• To manage storage volumes

• To monitor cluster health

How can DNS be used in Kubernetes?

• To assign IP addresses to Pods

• To resolve service names to IP addresses

• To provide persistent storage

• To manage user authentication

What is the primary purpose of Network Policies in Kubernetes?

• To manage storage quotas

• To define how Pods communicate with each other and with other network endpoints

• To configure service discovery

• To manage CPU and memory limits

Which Kubernetes resource can be used to create a custom API extension?

• ConfigMap

• CustomResourceDefinition (CRD)

• PersistentVolumeClaim

• ReplicaSet

Which storage type allows multiple nodes to share the same data?

• EmptyDir

• HostPath

• NFS (Network File System)

• ConfigMap

What is the role of NTP servers in a Kubernetes cluster?

• To provide DNS resolution

• To synchronize the time across all nodes

• To manage network traffic

• To provision storage

Which command is used to set up a multi-node Kubernetes cluster with kubeadm?

• kubeadm init

• kubeadm join

• kubeadm setup

• kubeadm connect

How do StatefulSets differ from Deployments in Kubernetes?

• StatefulSets provide stable, unique network identities for Pods

• StatefulSets do not support persistent storage

• Deployments are used for stateful applications

• StatefulSets cannot scale Pods