CKAD (Linux Foundation — CKAD) — Free Online Mock Test
Hands-on Kubernetes application developer. 15-20 performance-based tasks in a live terminal on Kubernetes v1.35 (2026). Pass at 66%. Post-2025 syllabus revision added Gateway API + expanded troubleshooting. · Official language: English.
CKAD exam at a glance
CKAD full-length mock tests
Attempt 50 full-length CKAD mock tests, each a distinct question set built on the real 18-question, 120-minute pattern — with instant scoring and section-wise analysis. The first 3 are free.
See all 50 CKAD mock tests →CKAD key facts & eligibility
| Conducting body | Cloud Native Computing Foundation (CNCF) and the Linux Foundation |
|---|---|
| Official website | training.linuxfoundation.org ↗ |
| Mode | The Certified Kubernetes Application Developer (CKAD) — a certification validating the ability to design, build and deploy cloud-native applications on Kubernetes. It is aimed at developers and engineers working with Kubernetes. |
| Frequency | Offered year-round, online and remotely proctored, by appointment. |
| Scoring & marking | The exam is entirely performance-based — hands-on command-line tasks in a live Kubernetes environment within 2 hours, with no multiple-choice questions. The passing score is 66%, and the exam includes a free second attempt. |
| Score validity | The certification is valid for 2 years; it is renewed by retaking and passing the exam. |
| Language | English, Simplified Chinese and Japanese. |
Who is eligible for CKAD?
No prerequisites.
Last verified July 2026 against Linux Foundation — CKAD. Always confirm current details on the official website before you register.
CKAD section breakdown
The CKAD mock test on Wrexa Edge replicates the real exam's section structure — same names, same question count per section, same time limits. No inter-section breaks — the timer runs continuously.
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CKAD — Performance Tasks (15-20 · K8s v1.35)
CKAD scoring & marking scheme
Strategy: CKAD has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.
Scale: CKAD (Pass / Fail at 66%).
How CKAD is conducted
- Mode
- Test format
- Backtracking
- Mark for review
CKAD time strategy
With 18 questions in 120 minutes, you have about 400 seconds per question on average. Successful candidates aim for the following pacing on each section:
- CKAD — Performance Tasks (15-20 · K8s v1.35)
Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.
CKAD topics covered
Across the 50 Wrexa Edge variants of CKAD, the following topics appear most often (sample distribution from one variant):
CKAD — Performance Tasks (15-20 · K8s v1.35)
- Kubernetes — Services · 6
- Kubernetes — Rolling updates · 4
- Kubernetes — Deployments · 3
- Kubernetes — Ingress · 3
- Kubernetes — Rollbacks · 1
- Kubernetes — ConfigMaps · 1
CKAD difficulty calibration
Advanced tier. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep.
Hands-on Kubernetes application developer. 15-20 performance-based tasks in a live terminal on Kubernetes v1.35 (2026). Pass at 66%. Post-2025 syllabus revision added Gateway API + expanded troubleshooting. · Official language: English.
Verified content — Wrexa Edge's CKAD bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for CKAD
- Real test-day interface
- 50 distinct variants
- Detailed analytics
- Spaced repetition (Notebook)
- Optional proctoring
- Free to start
Expert take: what CKAD really tests
The Certified Kubernetes Application Developer (CKAD), from the CNCF and the Linux Foundation, validates designing, building and deploying cloud-native applications on Kubernetes. It is entirely performance-based — hands-on command-line tasks in a live cluster within 2 hours, with a passing score of 66% and a free second attempt. It has no prerequisites, is offered in English, Simplified Chinese and Japanese, and is valid for 2 years.
Preparation tips
- Get fast with kubectl and the Kubernetes docs (allowed in-exam).
- Practise pod design, config, observability and services.
- Use the killer.sh simulator included with the exam.
Common mistakes to avoid
- Preparing with multiple-choice questions — the exam is hands-on.
- Losing time on unfamiliar kubectl syntax under pressure.
CKAD study plan
A phase-by-phase roadmap from your first concept to test-ready. Stretch or compress each phase to fit the time you have before your attempt.
- Pod design and workloads
- ConfigMaps and secrets
- Multi-container patterns
- Services and networking
- Observability and probes
- State persistence
- killer.sh simulator
- Speed with kubectl
- Aim for 66%
Where CKAD can take you
A strong CKAD result opens up these careers and higher-study paths:
- Kubernetes application developer
- Cloud-native developer
Best books & official prep for CKAD
- Kubernetes documentation & CKAD curriculum — CNCF / Kubernetes
- CKAD practice (killer.sh simulator) — Linux Foundation
Official practice: Practise hands-on tasks — pod design, configuration, multi-container patterns, observability and services — using the killer.sh simulator; the pass mark is 66%.
Previous-year papers: The Linux Foundation publishes the curriculum and provides simulator sessions.
Frequently asked questions
- What is the CKAD exam pattern?
- Linux Foundation — CKAD contains 18 questions across 1 section: CKAD — Performance Tasks (15-20 · K8s v1.35). Total duration is 120 minutes (about 400 seconds per question).
- Does CKAD have negative marking?
- No — CKAD has no negative marking. Each correct answer is worth 1 mark, so attempt every question.
- How is CKAD scored?
- Scaled score range: 100 to 1000. CKAD (Pass / Fail at 66%).
- How can I practise CKAD online for free?
- Wrexa Edge gives you 3 free full-length CKAD mock tests — with instant scoring, detailed explanations and analytics — plus 47 more with Pro. Start practising in under a minute, no card required.
- What is the difficulty level of CKAD?
- CKAD is rated Advanced difficulty on Wrexa Edge. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep. Hands-on Kubernetes application developer. 15-20 performance-based tasks in a live terminal on Kubernetes v1.35 (2026). Pass at 66%. Post-2025 syllabus revision added Gateway API + expanded troubleshooting. · Official language: English.
- How long is the CKAD exam?
- CKAD runs for 120 minutes total. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.
- What topics are covered in CKAD?
- CKAD is split into: CKAD — Performance Tasks (15-20 · K8s v1.35). Each section is timed and weighted separately. Hands-on Kubernetes application developer. 15-20 performance-based tasks in a live terminal on Kubernetes v1.35 (2026). Pass at 66%. Post-2025 syllabus revision added Gateway API + expanded troubleshooting. · Official language: English.
- What tools or aids are allowed during CKAD?
- No special tools are required. Note: real exam is proctored — Wrexa Edge mirrors this with a webcam-based proctoring flow you can enable.
- Is the CKAD test adaptive?
- No — CKAD is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many CKAD mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct CKAD variants — each with different question content, not just shuffled options — the first 3 free for everyone and 47 more with Pro. That's 900 unique practice questions in the real test-day interface.
- Is there a free CKAD test series 2026?
- Yes. The Wrexa Edge CKAD test series for 2026 gives you 3 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
- Are CKAD previous year question–style papers included?
- Every CKAD mock is modelled on the official exam pattern and the style of previous years' papers — the same 18-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
- Which is the best free CKAD mock test online?
- Wrexa Edge's CKAD mock test replicates the real exam interface, timing and marking scheme, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.
- Can I take the CKAD mock test on mobile?
- Yes. CKAD mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.
- What is the CKAD syllabus?
- The CKAD syllabus maps to its 1 section: CKAD — Performance Tasks (15-20 · K8s v1.35). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.
- What is the eligibility for CKAD?
- No prerequisites. Wrexa Edge focuses on realistic CKAD practice: 3 free full-length mocks in the exact exam pattern, ready whenever you are.
- When is the CKAD exam and how should I prepare?
- Official CKAD exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you 3 free CKAD mocks with instant scoring so you can track your readiness week by week.
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