CNCF · 2026 Edition
CKS Study Guide — How to Pass Certified Kubernetes Security Specialist
A complete preparation guide written by CNCF-certified engineers. Covers the exam format, all 6 blueprint domains, a week-by-week study plan, and proven tips for passing first time.
2–4 months
Prep time
Intermediate
Difficulty
60–90
Exam questions
67/1000
Pass mark
CKS Exam at a Glance
Exam code
CKS
Full name
Certified Kubernetes Security Specialist
Vendor
CNCF
Duration
120 minutes
Questions
~60–90 items
Passing score
67 / 1000 (scaled)
Domains covered
6 blueprint domains
Recommended experience
Foundational IT knowledge recommended
Typical prep time
2–4 months
Why Earn the CKS?
This certification validates specialised skills recognised by employers globally and opens doors to higher-level roles.
Job roles this opens
CKS Exam Domains
Official CNCF blueprint weights — study time should roughly match these percentages.
CKS Study Plan
Phase 1
Core concepts and foundational domains
Tip: Build a strong foundation before tackling advanced topics.
Phase 2
Intermediate domains and scenario practice
Tip: Focus on scenario-based questions — they dominate modern certification exams.
Phase 3
Weak domains and full mock exams
Tip: Use JT Exams domain analytics to target your lowest-accuracy areas.
CKS Exam Tips
Study the official exam blueprint — weight percentages tell you exactly where to invest prep time.
Practise scenario-based questions regularly — every modern cert exam is scenario-heavy.
Use spaced repetition to retain what you've learned (JT Exams does this automatically).
Book your exam date once you're scoring 80%+ consistently on practice tests.
Review explanations for every wrong answer, not just the question — the 'why' is what makes it stick.
Ready to practice CKS?
Apply everything in this guide with adaptive practice questions, AI explanations, and domain analytics.
CKS concept guides
Deep-dive explanations of the key topics tested on CKS — with exam key points and common misconceptions.