Quiz | Croma Campus

What is the purpose of the HorizontalPodAutoscaler in Kubernetes?

To manage DNS resolution
To scale pods based on a schedule
To automatically adjust the number of replica pods in a deployment based on CPU or memory usage
To handle network policies

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Which Kubernetes resource is used to manage network policies?

Ingress
NetworkPolicy
PodSecurityPolicy
ServiceAccount

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How does Kubernetes ensure that pods can communicate with each other?

By using host networking
By assigning each pod a unique IP address
By setting up VPN connections
By using NAT traversal

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What is the purpose of a DaemonSet in Kubernetes?

To manage application lifecycle
To load balance incoming traffic
To ensure a pod runs on every node in the cluster
To run a pod with multiple replicas

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How does Kubernetes manage pod affinity and anti-affinity?

By limiting resource usage
By using labels and selectors to schedule pods onto specific nodes
By manually configuring nodes
By setting pod priority

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How does Kubernetes handle node failures?

By rescheduling pods onto available nodes
By pausing affected applications
By terminating affected pods
By automatically scaling the cluster

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Which command is used to create a new Kubernetes cluster with kubeadm?

kubectl apply
kubeadm init
kubectl cluster create
kubectl create

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What is the role of the kube-scheduler in Kubernetes?

To handle ingress rules
To assign pods to nodes based on resource availability and scheduling requirements
To manage pod networking
To scale applications

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What is the purpose of a StatefulSet in Kubernetes?

To run pods on every node
To handle batch jobs
To manage network policies
To manage stateful applications that require stable, unique network identifiers and persistent storage

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Which component of Kubernetes is responsible for managing the lifecycle of pods?

kube-apiserver
kube-controller-manager
kube-proxy
Kubelet

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What is the recommended way to manage Kubernetes cluster configuration and secrets?

Storing in environment variables
Keeping in source code
Using ConfigMaps and Secrets
Hardcoding in application

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What is the purpose of the kube-proxy component in Kubernetes?

To handle DNS resolution
To manage network routing and load balancing for services
To manage pod lifecycles
To authenticate API requests

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Which Kubernetes component is responsible for managing secrets?

kube-scheduler
kubelet
kube-controller-manager
kube-apiserver

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Which Kubernetes component is responsible for managing secrets?

kube-apiserver
kube-controller-manager
kube-scheduler
kubelet

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Which Kubernetes object type is used to ensure a certain number of pods are always running?

Pod
StatefulSet
Deployment
ReplicaSet

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Which Kubernetes component is responsible for managing container runtime on each node?

kube-apiserver
Container runtime (e.g., Docker, containerd)
kube-proxy
kubelet

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What is the purpose of the ClusterRole in Kubernetes?

To manage network policies
To define permissions for resources at the cluster level
To handle DNS resolution
To allocate CPU resources

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What is the purpose of the kube-proxy component in Kubernetes?

To authenticate API requests
To manage pod lifecycles
To handle DNS resolution
To manage network routing and load balancing for services

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What is the purpose of a PodSecurityPolicy in Kubernetes?

To handle pod lifecycle
To manage network policies
To enforce security constraints on pods and containers
To manage DNS resolution

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Which Kubernetes resource is used to manage user access control?

NetworkPolicy
Role
ServiceAccount
Namespace

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Which Kubernetes object type is used to ensure a certain number of pods are always running?

StatefulSet
Pod
ReplicaSet
Deployment

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How does Kubernetes manage updates to applications?

By pausing affected applications
By rolling updates or recreating pods with updated configurations
By scheduling updates during off-peak hours
By scaling horizontally

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What is the purpose of the readiness probe in Kubernetes?

To authenticate API requests
To scale applications
To determine when a pod is ready to serve traffic
To manage network policies

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How does Kubernetes manage container networking between pods on different hosts?

By exposing host IP addresses
Using overlay networks
Through a network plugin
Via DNS resolution

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What is the purpose of the readiness probe in Kubernetes?

To scale applications
To authenticate API requests
To determine when a pod is ready to serve traffic
To manage network policies

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What is the purpose of a PersistentVolumeClaim (PVC) in Kubernetes?

To manage ingress rules
To allocate CPU resources
To request storage that persists beyond the life of a pod
To define pod priority

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Which Kubernetes object type is used to run batch jobs?

Job
Deployment
CronJob
Pod

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How does Kubernetes handle node failures?

By automatically scaling the cluster
By rescheduling pods onto available nodes
By terminating affected pods
By pausing affected applications

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What is the purpose of an Ingress resource in Kubernetes?

To define pod priority
To allocate CPU resources
To manage external access to services in a cluster
To manage pod lifecycle

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What is the role of kube-apiserver in a Kubernetes cluster?

To schedule pods
To manage container images
To expose the Kubernetes API
To manage node networking

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