KCNA Container Orchestration Practice Question
Which THREE of the following are true about the Open Container Initiative (OCI)? (Select 3)
⚠ Common exam trap
CNCF often tests the misconception that OCI is Docker-specific or Linux-only, when in fact it is a vendor-neutral, cross-platform standard governed by the Linux Foundation.
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 the container image format specification
The Open Container Initiative (OCI) defines the Image Specification, which standardizes the format and content of container images. This ensures that any OCI-compliant image can be run by any OCI-compliant runtime, enabling interoperability across different container platforms.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
OCI is governed solely by Docker Inc.
Why it's wrong here
OCI is a Linux Foundation project with multiple members.
- ✗
OCI only applies to Linux containers
Why it's wrong here
OCI standards are OS-agnostic.
- ✓
OCI defines the container image format specification
Why this is correct
OCI image spec defines the format.
- ✓
OCI standards are vendor-neutral
Why this is correct
OCI aims to be vendor-neutral.
- ✓
OCI defines a standard for container runtime execution
Why this is correct
OCI runtime spec defines how runtimes execute containers.
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Same concept, more angles
1 more way this is tested on KCNA
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which TWO of the following are true about the Open Container Initiative (OCI)?
medium- A.OCI requires the use of containerd
- B.OCI defines the Dockerfile format
- ✓ C.OCI is a Linux Foundation project
- ✓ D.OCI specifies the image format and runtime specification
- E.OCI defines the Container Runtime Interface (CRI)
Why C: The Open Container Initiative (OCI) is a Linux Foundation project that was established to create open industry standards around container formats and runtimes. It operates under the Linux Foundation's governance to ensure vendor-neutral specifications.
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.