CKA Exam Guide 2026:
Syllabus, Tips & Study Plan
Everything you need to pass the Certified Kubernetes Administrator exam — domain weights, what actually appears, killer.sh strategy, and time management tips from engineers who passed on first attempt.
What Is the CKA?
The Certified Kubernetes Administrator (CKA) is a hands-on certification from the Cloud Native Computing Foundation (CNCF) and Linux Foundation. It's the most recognised Kubernetes credential in the industry, required or preferred at thousands of companies hiring DevOps engineers in 2026.
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Format
17 tasks on live clusters
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Duration
2 hours
✓
Pass mark
66%
📖
Open book
kubernetes.io/docs only
🔄
Retake
1 free retake included
💳
Cost
~$395 USD (often 50% off)
Pro tip: Buy during sale
Linux Foundation runs 30-50% discounts on CKA bundles during KubeCon and Black Friday. The CKA + CKS bundle (with killer.sh included) is consistently good value. Set a Google alert for "Linux Foundation CKA discount".
Exam Domains & Weights
Study proportional to the weights. Troubleshooting is 30% — don't neglect it.
Cluster Architecture, Installation & Configuration
25%Workloads & Scheduling
15%Services & Networking
20%Storage
10%Troubleshooting
30%CKA vs CKAD vs CKS — Which First?
| Cert | Focus | Prerequisite | Get it if... |
|---|---|---|---|
| CKA | Cluster admin | None | You want to manage clusters — DevOps / SRE role |
| CKAD | App deployment | None | You're a developer deploying to K8s daily |
| CKS | K8s security | CKA required | You want to specialise in cloud security / compliance |
Recommendation: If you're new — get CKA first. It's the broadest, most recognised, and teaches you to run real clusters. CKAD and CKS are valuable specialisations after CKA.
6 Tips to Pass the CKA
Set up your .bashrc aliases first
In the exam, immediately run: `source <(kubectl completion bash)` and `alias k=kubectl`. Every second saved on typing counts.
Use dry-run to generate YAML fast
`kubectl run nginx --image=nginx --dry-run=client -o yaml > pod.yaml` is faster than writing YAML by hand. Know this pattern cold.
Bookmark kubernetes.io/docs ahead of time
Pre-bookmark key pages: Persistent Volumes, NetworkPolicy, RBAC, kubeadm, and the kubectl cheat sheet. You can't add bookmarks during the exam.
Troubleshooting = 30% of the exam
Practice diagnosing broken clusters weekly. CrashLoopBackOff, node NotReady, DNS resolution failures, and etcd corruption are common.
killer.sh is harder than the real thing
Buy your exam from Linux Foundation — it comes with 2 killer.sh sessions (36hr each). If you score 70%+ on killer.sh, you'll pass the real exam.
Manage your time aggressively
Each task shows its weight. Skip 2% tasks if stuck — come back later. Never spend 15 minutes on a 4% task.
CKA FAQ
How hard is the CKA?
Moderately difficult. Pass mark is 66%. It's open-book (kubernetes.io/docs only). The difficulty is time pressure — 17 tasks in 2 hours on live clusters. Speed with kubectl is critical, not memorisation.
How long should I study?
With K8s exposure: 8–12 weeks (2–3 hrs/day). Complete beginners: 12–16 weeks including learning K8s from scratch. Don't rush — one focused attempt beats two rushed ones.
Can I use documentation during the exam?
Yes — one browser tab to kubernetes.io/docs only. Know your kubectl commands well enough not to need docs for every step. Reserve docs lookups for syntax you rarely use.
Is CKA worth it in India?
Yes. CKA consistently adds ₹3-6 LPA to salary during negotiations. At senior levels, it's often a screening filter — job descriptions increasingly list 'CKA preferred' or 'CKA required'.
CKA prep with real clusters
Practice on the same infra as the exam
Devloud's CKA batch gives you live EKS and kubeadm clusters to practice on — same environment as the exam. Weekly timed mock sessions included.