CKA vs CKAD 2025: Which Kubernetes Certification Is Right For You?
Administrator or Developer? Choose the right Kubernetes certification for your career.
Quick Comparison
| Aspect | CKA | CKAD |
|---|---|---|
| Full Name | Certified Kubernetes Administrator | Certified Kubernetes Application Developer |
| Focus | Cluster administration | Application deployment |
| Duration | 2 hours | 2 hours |
| Passing Score | 66% | 66% |
| Cost | $395 | $395 |
| Format | Performance-based (hands-on) | Performance-based (hands-on) |
| Validity | 3 years | 3 years |
| Avg Salary | $125,000 | $115,000 |
CKA: Certified Kubernetes Administrator
CKA focuses on managing and operating Kubernetes clusters. You'll learn to install, configure, upgrade, and troubleshoot K8s infrastructure.
CKA Exam Domains
- Cluster Architecture (25%) - Components, installation, upgrades
- Workloads & Scheduling (15%) - Deployments, pods, scheduling
- Services & Networking (20%) - Services, ingress, network policies
- Storage (10%) - Volumes, PVs, PVCs, storage classes
- Troubleshooting (30%) - Cluster and node issues, logging
Choose CKA If You:
- Manage Kubernetes clusters
- Work in DevOps/SRE roles
- Handle cluster upgrades and maintenance
- Need to troubleshoot infrastructure issues
CKAD: Certified Kubernetes Application Developer
CKAD focuses on designing, building, and deploying applications on Kubernetes. It's ideal for developers working with containerized applications.
CKAD Exam Domains
- Application Design (20%) - Build images, jobs, multi-container pods
- Application Deployment (20%) - Deployments, rolling updates, Helm
- Application Observability (15%) - Probes, logging, debugging
- Application Environment (25%) - ConfigMaps, Secrets, resources
- Services & Networking (20%) - Services, network policies
Choose CKAD If You:
- Develop cloud-native applications
- Deploy apps to Kubernetes
- Work primarily with pods and deployments
- Focus on CI/CD pipelines
Salary Comparison
| Role | CKA Holder | CKAD Holder |
|---|---|---|
| Junior (0-2 yrs) | $80,000 - $100,000 | $75,000 - $95,000 |
| Mid-Level (3-5 yrs) | $110,000 - $140,000 | $100,000 - $130,000 |
| Senior (5+ yrs) | $140,000 - $180,000 | $130,000 - $160,000 |
Can You Get Both?
Yes! Many professionals hold both CKA and CKAD. The bundle is often discounted. Combined knowledge of administration and development makes you a complete Kubernetes professional.
Study Tips (Both Exams)
- Practice speed - Time is crucial in performance-based exams
- Master kubectl - Know imperative commands by heart
- Use killer.sh - Free exam simulator included with registration
- Read docs efficiently - You can access kubernetes.io during exam
- Practice, practice, practice - Hands-on labs are essential
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