Kubernetes Fundamentals MCQs

Which of the following best describes Kubernetes?

a) An open-source container orchestration platform

b) A programming language

c) A database management system

d) A performance testing tool

View Answer

Correct answer: A — An open-source container orchestration platform
Kubernetes clusters consist of:

a) Master and worker nodes

b) Only worker nodes

c) Only master nodes

d) Only monitoring nodes

View Answer

Correct answer: A — Master and worker nodes
Which of the following is true about Kubernetes pods?

a) They are the smallest deployable units in Kubernetes

b) They are only used for monitoring

c) They are only used for testing

d) They are only used for CI/CD

View Answer

Correct answer: A — They are the smallest deployable units in Kubernetes
Kubernetes kubelet runs on:

a) Each node to manage pods

b) Only master nodes

c) Only worker nodes

d) Only CI/CD servers

View Answer

Correct answer: A — Each node to manage pods
Which of the following is true about Kubernetes services?

a) They expose pods to network traffic

b) They validate performance only

c) They validate usability only

d) They validate integration only

View Answer

Correct answer: A — They expose pods to network traffic
Kubernetes deployments are used to:

a) Manage desired state of pods

b) Validate performance only

c) Validate usability only

d) Validate integration only

View Answer

Correct answer: A — Manage desired state of pods
Which of the following is true about Kubernetes namespaces?

a) They logically isolate resources within a cluster

b) They validate performance only

c) They validate usability only

d) They validate integration only

View Answer

Correct answer: A — They logically isolate resources within a cluster
Kubernetes ConfigMaps are used to:

a) Store configuration data

b) Store performance metrics

c) Store usability data

d) Store integration data

View Answer

Correct answer: A — Store configuration data
Which of the following is true about Kubernetes Secrets?

a) They store sensitive information securely

b) They store performance metrics

c) They store usability data

d) They store integration data

View Answer

Correct answer: A — They store sensitive information securely
Kubernetes ReplicaSets ensure:

a) A specified number of pod replicas are running

b) Only one pod runs at a time

c) Pods run only on master nodes

d) Pods run only manually

View Answer

Correct answer: A — A specified number of pod replicas are running
What will be printed?

1 echo "Eduinq Kubernetes Fundamentals"

a) Eduinq Kubernetes Fundamentals

b) Kubernetes Fundamentals

c) No output

d) Error

View Answer

Correct answer: A — Eduinq Kubernetes Fundamentals
Kubernetes StatefulSets are used for:

a) Managing stateful applications

b) Managing stateless applications only

c) Managing usability tests

d) Managing integration tests

View Answer

Correct answer: A — Managing stateful applications
Which of the following is true about Kubernetes DaemonSets?

a) They run a copy of a pod on all nodes

b) They run pods only on master nodes

c) They run pods only on worker nodes

d) They run pods only manually

View Answer

Correct answer: A — They run a copy of a pod on all nodes
Kubernetes Ingress is used to:

a) Manage external access to services

b) Manage performance only

c) Manage usability only

d) Manage integration only

View Answer

Correct answer: A — Manage external access to services
Which of the following is true about Kubernetes etcd?

a) It stores cluster configuration data

b) It stores performance metrics

c) It stores usability data

d) It stores integration data

View Answer

Correct answer: A — It stores cluster configuration data
Kubernetes kube-proxy is responsible for:

a) Managing network rules for pods

b) Managing performance only

c) Managing usability only

d) Managing integration only

View Answer

Correct answer: A — Managing network rules for pods
Which of the following is true about Kubernetes labels?

a) They organize and select resources

b) They validate performance only

c) They validate usability only

d) They validate integration only

View Answer

Correct answer: A — They organize and select resources
Kubernetes annotations are used to:

a) Attach metadata to objects

b) Validate performance only

c) Validate usability only

d) Validate integration only

View Answer

Correct answer: A — Attach metadata to objects
Which of the following is true about Kubernetes cluster autoscaler?

a) It adjusts the number of nodes based on demand

b) It adjusts performance metrics only

c) It adjusts usability only

d) It adjusts integration only

View Answer

Correct answer: A — It adjusts the number of nodes based on demand
Kubernetes Horizontal Pod Autoscaler adjusts:

a) Number of pods based on CPU/memory usage

b) Number of pods based on usability

c) Number of pods based on integration

d) Number of pods based on manual triggers

View Answer

Correct answer: A — Number of pods based on CPU/memory usage
Which of the following is true about Kubernetes nodes?

a) They only store logs

b) They run workloads and manage pods

c) They only manage CI/CD

d) They only monitor performance

View Answer

Correct answer: B — They run workloads and manage pods
Kubernetes control plane components include:

a) kubelet and kube-proxy

b) API server, etcd, scheduler, controller manager

c) Only kubelet

d) Only kube-proxy

View Answer

Correct answer: B — API server, etcd, scheduler, controller manager
Which of the following is true about Kubernetes API server?

a) It stores cluster data

b) It exposes the Kubernetes API to clients

c) It runs pods directly

d) It monitors logs

View Answer

Correct answer: B — It exposes the Kubernetes API to clients
Kubernetes scheduler is responsible for:

a) Monitoring logs

b) Assigning pods to nodes

c) Running CI/CD pipelines

d) Managing secrets

View Answer

Correct answer: B — Assigning pods to nodes
Which of the following is true about Kubernetes controller manager?

a) It manages cluster state through controllers

b) It runs pods directly

c) It stores logs

d) It manages CI/CD

View Answer

Correct answer: B — It runs pods directly
Kubernetes kube-proxy manages:

a) Pod lifecycle

b) Network rules and service communication

c) Cluster state

d) Secrets

View Answer

Correct answer: B — Network rules and service communication
Which of the following is true about Kubernetes etcd?

a) It runs pods directly

b) It stores cluster configuration data

c) It monitors logs

d) It manages CI/CD pipelines

View Answer

Correct answer: B — It stores cluster configuration data
Kubernetes deployments support:

a) Manual updates only

b) Rolling updates and rollbacks

c) Only scaling

d) Only monitoring

View Answer

Correct answer: B — Rolling updates and rollbacks
Which of the following is true about Kubernetes StatefulSets?

a) They run stateless applications

b) They manage stateful applications with stable identities

c) They only manage secrets

d) They only manage logs

View Answer

Correct answer: B — They manage stateful applications with stable identities
Kubernetes DaemonSets ensure:

a) Pods run only on master nodes

b) Pods run on all nodes

c) Pods run only manually

d) Pods run only in CI/CD

View Answer

Correct answer: B — Pods run on all nodes
What will be printed?

1 echo "Eduinq Kubernetes Node Test"

a) Kubernetes Node Test

b) Eduinq Kubernetes Node Test

c) No output

d) Error

View Answer

Correct answer: B — Eduinq Kubernetes Node Test
Kubernetes Ingress provides:

a) Internal pod communication

b) External access to services via HTTP/HTTPS

c) Only monitoring

d) Only CI/CD

View Answer

Correct answer: B — External access to services via HTTP/HTTPS
Which of the following is true about Kubernetes labels?

a) They store secrets

b) They organize and select resources

c) They monitor logs

d) They run pods

View Answer

Correct answer: B — They organize and select resources
Kubernetes annotations are used to:

a) Run pods

b) Attach metadata to objects

c) Store secrets

d) Monitor logs

View Answer

Correct answer: B — Attach metadata to objects
Which of the following is true about Kubernetes namespaces?

a) They store logs

b) They isolate resources logically within a cluster

c) They run pods directly

d) They manage CI/CD

View Answer

Correct answer: B — They isolate resources logically within a cluster
Kubernetes kubelet ensures:

a) Secrets are stored securely

b) Pods are running as expected on nodes

c) Logs are monitored

d) CI/CD pipelines are executed

View Answer

Correct answer: B — Pods are running as expected on nodes
Which of the following is true about Kubernetes services?

a) They store secrets

b) They expose pods to network traffic

c) They monitor logs

d) They run CI/CD pipelines

View Answer

Correct answer: B — They expose pods to network traffic
Kubernetes ConfigMaps are used to:

a) Store secrets

b) Store configuration data

c) Monitor logs

d) Run pods

View Answer

Correct answer: B — Store configuration data
Which of the following is true about Kubernetes Secrets?

a) They store configuration data

b) They store sensitive information securely

c) They monitor logs

d) They run pods

View Answer

Correct answer: B — They store sensitive information securely
Kubernetes ReplicaSets ensure:

a) Pods run only manually

b) A specified number of pod replicas are running

c) Pods run only on master nodes

d) Pods run only in CI/CD

View Answer

Correct answer: B — A specified number of pod replicas are running
Which of the following is true about Kubernetes cluster autoscaler?

a) It monitors logs

b) It adjusts the number of nodes based on demand

c) It runs CI/CD pipelines

d) It stores secrets

View Answer

Correct answer: B — It adjusts the number of nodes based on demand
Kubernetes Horizontal Pod Autoscaler adjusts:

a) Pods based on manual triggers

b) Pods based on CPU/memory usage

c) Pods based on usability

d) Pods based on integration

View Answer

Correct answer: B — Pods based on CPU/memory usage
Which of the following is true about Kubernetes rolling updates?

a) They update all pods at once

b) They update pods gradually without downtime

c) They only update staging pods

d) They only update manually

View Answer

Correct answer: B — They update pods gradually without downtime
Kubernetes rollbacks allow:

a) Manual updates only

b) Reverting deployments to previous versions

c) Monitoring logs only

d) Running CI/CD pipelines only

View Answer

Correct answer: B — Reverting deployments to previous versions
Which of the following is true about Kubernetes kube-proxy?

a) It runs pods directly

b) It manages network rules for services and pods

c) It stores secrets

d) It monitors logs

View Answer

Correct answer: B — It manages network rules for services and pods
Kubernetes etcd is:

a) A monitoring tool

b) A distributed key-value store for cluster data

c) A CI/CD pipeline manager

d) A logging driver

View Answer

Correct answer: B — A distributed key-value store for cluster data
Which of the following is true about Kubernetes deployments?

a) They run pods manually

b) They manage desired state of applications

c) They store secrets

d) They monitor logs

View Answer

Correct answer: B — They manage desired state of applications
Kubernetes StatefulSets provide:

a) Stateless pod management

b) Stable network identities and persistent storage

c) Only monitoring

d) Only CI/CD

View Answer

Correct answer: B — Stable network identities and persistent storage
Which of the following is true about Kubernetes DaemonSets?

a) They run pods only manually

b) They ensure pods run on all nodes

c) They store secrets

d) They monitor logs

View Answer

Correct answer: B — They ensure pods run on all nodes
Which of the following best describes Kubernetes fundamentals overall?

a) Running CI/CD pipelines

b) Managing containerized applications with orchestration, scaling, and networking

c) Monitoring logs only

d) Storing secrets only

View Answer

Correct answer: B — Managing containerized applications with orchestration, scaling, and networking

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