All certifications / CKA / Lessons
Certified Kubernetes Administrator CKA (Kubernetes v1.35 curriculum) · Domain 1: Cluster Architecture, Installation and Configuration
Extension interfaces: CRI (containerd, CRI-O, crictl), CNI (Calico, Cilium, Flannel), CSI drivers
▶ Watch the overview video
Last reviewed September 25, 2026 · Leer en español
Kubernetes does not run containers, wire networks or attach disks itself. It defines standard interfaces and lets plugins do the work. Knowing the three interfaces tells you where to look when something below the API breaks.
Free accountKeep reading for free
Create a free StudyToCert account to read the rest of this lesson: 5 more sections, 4 key terms, a real-world example, an exam tip and self-check questions. Every lesson, lab and practice test is free with an account.
Sign up free Log in
Study CKA for free
A week-by-week plan with every lesson, quizzes, checkpoint tests, a practice exam and hands-on labs.
Open the CKA study plan