Free Demo Questions

Test Online Free The Linux Foundation KCNA Exam Questions and Answers

Practice a live sample before buying full access. This page keeps the free KCNA question set organized by page so visitors and search engines can reach the canonical -questions.html URL directly.

Updated Feb 27, 2026 26 Questions 2 Pages

Get KCNA Full Access

Question 1 Selectable Answer

Which of the following is an example of vertical scaling?

A. Using cluster autoscaler
B. Adding more resources (memory and/or cpu) to a kubernetes node
C. Adding more nodes to kubernetes cluster
D. Adding more replica pods to a deployment

Answer:
Explanation:
https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/

Text
Description automatically generated

Question 2 Selectable Answer

How to create deployment name app-dep, image=nginx, and replicas 5 using imperative command?

A. kubectl create app-dep deployment -- image=nginx -- replicas=5
B. kubectl create deployment app-dep -- image=nginx -- replicas=5
C. kubectl create app-dep deployment -- replicas=5 --image=nginx

Answer:
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#-em-deployment-em-

Text
Description automatically generated with medium confidence

Question 3 Selectable Answer

Which of the following factors does scheduling take into account when selecting a Node?

A. How many replicas there are in a Deployment
B. Services
C. Resource requirements
D. The number of existing Pods on a Node

Answer:
Explanation:
Scheduling takes resource requirements into account in the form of resource requests.

Question 4 Selectable Answer

Which prometheus metric type represents a single number value that can increase and decrease over time?

A. Gauge
B. Histogram
C. Summary
D. Counter

Answer:
Explanation:
https://prometheus.io/docs/concepts/metric_types/#gauge

Graphical user interface, text
Description automatically generated

Question 5 Selectable Answer

What standard does kubelet use to communicate with the container runtime?

A. Service Mesh Interface (SMI)
B. CRI-O
C. ContainerD
D. Container Runtime Interface (CRI)

Answer:
Explanation:
kubelet can communicate with any runtime that supports the CRI standard.

Question 6 Selectable Answer

Which component of the kubernetes control-plane (master) are all requests to deploy and manage objects posted to?

A. ETCD
B. Controller Manager
C. Kube-proxy
D. API Server
E. Kubelet

Answer:
Explanation:
https://kubernetes.io/docs/reference/command-line-tools-reference/kube-apiserver/

Graphical user interface, text, application
Description automatically generated

Question 7 Selectable Answer

What are the two goals of Cloud-Native?

A. Rapid innovation and automation
B. Slow innovation and stable applications
C. Frequent deployments and well-defined organizational silos
D. Rapid innovation and reliability

Answer:
Explanation:
https://www.redhat.com/en/topics/cloud-native-apps

Question 8 Selectable Answer

What is the name for a service that has no clusterIp address?

A. Headless
B. NodePort
C. ClusterIP
D. LoadBalancer

Answer:
Explanation:
https://kubernetes.io/docs/concepts/services-networking/service/#headless-services

Text, letter
Description automatically generated

Question 9 Selectable Answer

Which of the following are characteristics of Statefulsets?

A. Ordered, graceful deployment and scaling
B. Creates replica sets
C. Uses headless services

Answer:
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/

Graphical user interface, text, application, email
Description automatically generated

Question 10 Selectable Answer

Which of the following computing model doesn’t require you to provision infrastructure?

A. None of the above
B. Bare Metal
C. Compute Engine
D. Virtual Machines
E. Serverless

Answer:
Explanation:

Table
Description automatically generated

Question 11 Selectable Answer

What is the functionality of the daemon set?

A. To run a copy of the pod in all the nodes of the cluster
B. To initialize the pod before starting the main pod
C. To run a copy of the pod in a single node of the cluster

Answer:
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/

Graphical user interface, text, application
Description automatically generated with medium confidence

Question 12 Selectable Answer

Which Kubernetes resource creates Kubernetes Jobs?

A. JobFactory
B. CronJob
C. Task
D. JobDeployment

Answer:
Explanation:
https://kubernetes.io/docs/concepts/workloads/controllers/cron-jobs/

Graphical user interface, text, application, email
Description automatically generated

Question 13 Selectable Answer

What does the 'kops' acronym means?

A. Kubernetes Open Platform Specification
B. Kubernetes Operations
C. Kubernetes Operators
D. Kubernetes Operation Policy Specification

Answer:
Explanation:
https://github.com/kubernetes/kops

Graphical user interface, text, application, email
Description automatically generated

Question 14 Selectable Answer

What CNCF project is the leading DNS project in the CNCF landscape?

A. Kubernetes
B. gRPC
C. KubeDNS
D. CoreDNS

Answer:
Explanation:
https://github.com/cncf/landscape#trail-map

A picture containing timeline
Description automatically generated

Question 15 Selectable Answer

Which organizational persona creates Service Level Agreements 'SLA', Service Level Objectives 'SLO', and Service Level Indicator 'SLI'?

A. Developer
B. DevSecOps
C. Site Reliability Engineer (SRE)
D. Security and Compliance Engineer
E. DevOps

Answer:
Explanation:
SREs create SLAs, SLOs, and SLIs to define and implement standards for application and infra-structure reliability.

Current Exam

KCNA

The Linux Foundation
Kubernetes and Cloud Native Associate (KCNA)

View Full KCNA Package