KCNA Container Orchestration Practice Question
Which THREE of the following are true about the Open Container Initiative (OCI)? (Choose 3)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
OCI defines both an image spec and a runtime spec
The OCI defines the image spec and runtime spec, ensuring interoperability between container tools. containerd is an OCI-compliant runtime. Docker images are OCI-compliant. Docker itself is not a runtime spec but a platform that uses runtimes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Docker is an OCI runtime specification
Why it's wrong here
Docker is a platform that uses OCI-compliant runtimes like containerd, but it is not itself a runtime spec.
- ✗
OCI is governed by the Cloud Native Computing Foundation (CNCF)
Why it's wrong here
OCI is a separate project under the Linux Foundation, not CNCF.
- ✓
OCI defines both an image spec and a runtime spec
Why this is correct
The OCI maintains the Image Specification and Runtime Specification.
- ✓
containerd is an OCI-compliant container runtime
Why this is correct
containerd implements the OCI runtime spec and is used by Kubernetes.
- ✓
Docker images are OCI-compliant
Why this is correct
Docker images follow the OCI image format specification.
Go deeper
Related to this question
About these practice questions
This KCNA question is part of Courseiva's 833-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This KCNA practice question is part of Courseiva's free CNCF certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the KCNA exam.