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KCNA · Question #92
KCNA Question #92: Real Exam Question with Answer & Explanation
The correct answer is C: runc. runc is the de facto reference implementation of the Open Container Initiative (OCI) runtime specification, defining how to run a container.
Submitted by valeria.br· May 4, 2026Kubernetes Fundamentals
Question
What is the reference implementation of the OCI runtime specification?
Options
- Alxc
- Bcri-o
- Crunc
- Ddocker
Explanation
runc is the de facto reference implementation of the Open Container Initiative (OCI) runtime specification, defining how to run a container.
Common mistakes.
- A. LXC (Linux Containers) is an older container technology that predates OCI and is not its reference implementation.
- B. cri-o is a Kubernetes Container Runtime Interface (CRI) implementation, which uses OCI runtimes like runc to actually execute containers.
- D. Docker Engine is a complete container platform that utilizes OCI runtimes (like runc) internally, but it is not the reference implementation itself.
Concept tested. OCI runtime specification implementation
Reference. https://github.com/opencontainers/runc
Topics
#OCI#Container Runtime#runc#Containerization Fundamentals
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