Practice
Learn at your own pace. Answer questions one at a time with instant feedback and explanations.
Start practiceCertified Kubernetes Administrator
Performance-based certification validating the skills required to administer Kubernetes clusters in production.
Mock exam
Simulate the real thing. Take a timed, full-length test and review your score and weak areas.
Sign up to startStudy your way: beyond Practice and Mock exam, choose adaptive, hard mode, ready review, objective coverage, or retry-your-misses — and set your own question count, timer, and pass mark.
About this exam
The CKA is a hands-on, performance-based exam administered by the CNCF and Linux Foundation. Candidates solve real tasks in live Kubernetes clusters covering cluster architecture, workloads, networking, storage, and troubleshooting.
Who should take this exam
Kubernetes administrators, site reliability engineers, platform engineers, and DevOps practitioners responsible for deploying and operating Kubernetes clusters.
Career benefits
Validates real-world Kubernetes operations skills, is highly recognized for platform and SRE roles, and demonstrates ability to manage production clusters.
How to prepare
Practice extensively with kubectl against live clusters, study the official CNCF curriculum, rehearse common tasks under time pressure, and become fluent with the Kubernetes documentation allowed during the exam.
Quick facts
Exam cost$445 USD (includes one free retake)
Valid for2 years
Length120 minutes
Passing score66% (performance-based; no fixed number of items)
FormatOnline proctored, hands-on performance-based tasks solved in live Kubernetes clusters via a terminal. The number of tasks is not fixed and the official Kubernetes documentation may be used during the exam.
Practice questions150
Objectives5
Official pageView
What's covered
1. Cluster Architecture, Installation and Configuration
25%Managing RBAC, installing and configuring clusters with kubeadm, and managing highly available control planes and upgrades.
2. Workloads and Scheduling
15%Deployments, rolling updates and rollbacks, configuration with ConfigMaps and Secrets, scaling, scheduling, and resource limits.
3. Services and Networking
20%Pod and cluster networking, Services, Ingress, CoreDNS, and network policies.
4. Storage
10%Storage classes, persistent volumes, persistent volume claims, access modes, and volume reclaim policies.
5. Troubleshooting
30%Evaluating cluster and node logging, monitoring, and troubleshooting applications, cluster components, and networking.
Frequently asked questions
Are these real exam questions?
No. These are original practice questions written to match the exam objectives, each with an explanation so you actually learn the material — not exam dumps.
How does practice mode work?
You answer questions one at a time with instant feedback and explanations. Over time the app adapts, prioritizing the objectives and questions you struggle with most.
What is a mock exam?
A timed, full-length simulation that holds feedback until the end, then shows your score, pass/fail result, and a breakdown by objective.
Can I customize how I study?
Yes. Pick the study mode that fits — adaptive practice, hard mode, ready-for-review, objective coverage, or retrying questions you've missed — and set your own question count, timer, and passing score for each session.
Do I need an account?
You can try free questions for this exam without signing in. Create a free account to save your progress, track weak objectives, and unlock the full question bank.