Kubernetes vs Docker Swarm Certification
Compare Kubernetes (CKA/CKAD) and Docker Swarm for container orchestration.
Certified Kubernetes Administrator (CKA)
CNCF/Linux Foundation
Docker Certified Associate
Docker (Legacy)
Feature-by-Feature Breakdown
Compare all aspects of these certifications side by side
| Feature | Certified Kubernetes Administrator (CKA) | Docker Certified Associate |
|---|---|---|
| Provider | CNCF/Linux Foundation | Docker (Legacy) |
| Difficulty Level | Professional | Associate |
| Exam Duration | 2 hours | 90 minutes |
| Exam Cost | $395 USD | $195 USD (legacy) |
| Exam Format | Performance-based | Multiple choice |
| Prerequisites | None | 6+ months Docker experience |
| Validity Period | 3 years | 2 years |
| Ideal For | Kubernetes administrators | Docker administrators |
| Salary Range | $130,000 - $180,000 | $95,000 - $135,000 |
What Each Certification Covers
Key topics and domains covered in each exam
Certified Kubernetes Administrator (CKA) Focus Areas
- Cluster Administration
- Networking
- Storage
- Security
- Troubleshooting
Docker Certified Associate Focus Areas
- Docker Engine
- Swarm
- Networking
- Security
- Storage
Our Recommendation
Kubernetes is industry standard for orchestration; Docker Swarm is simpler but less used.
Choose Certified Kubernetes Administrator (CKA)
Choose Kubernetes for enterprise container orchestration.
Choose Docker Certified Associate
Docker Swarm only for simple, single-vendor environments.
Frequently Asked Questions
Which is better: Certified Kubernetes Administrator (CKA) or Docker Certified Associate?
Kubernetes is industry standard for orchestration; Docker Swarm is simpler but less used.
What are the salary differences between Certified Kubernetes Administrator (CKA)?
Certified Kubernetes Administrator (CKA) typically offers salaries around $130,000 - $180,000, while Docker Certified Associate offers $95,000 - $135,000.
Which certification should I get first?
Choose Kubernetes for enterprise container orchestration. Docker Swarm only for simple, single-vendor environments.
How long does it take to prepare for these certifications?
Preparation time varies based on experience. Most candidates spend 4-12 weeks studying, depending on their background and the certification difficulty level.
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