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| Certification Vendor: | Linux Foundation / CNCF |
|---|---|
| Exam Name: | Kubernetes and Cloud Native Associate (KCNA) Exam |
| Exam Number: | KCNA |
| Exam Format: | Multiple choice, Online proctored |
| Exam Price: | $250 USD |
| Related Certifications: | CKS (Certified Kubernetes Security Specialist) CKA (Certified Kubernetes Administrator) CKAD (Certified Kubernetes Application Developer) KCSA (Kubernetes and Cloud Native Security Associate) |
| Passing Score: | 75% |
| Real Exam Qty: | 60 |
| Available Languages: | Japanese, English |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 2 years |
| Recommended Training: | LFS250: Kubernetes and Cloud Native Essentials |
| Exam Registration: | Official Registration |
| Sample Questions: | Linux Foundation KCNA Sample Questions |
| Exam Way: | Online, remotely proctored; available worldwide |
| Pre Condition: | No mandatory prerequisites; basic IT knowledge and familiarity with command-line tools recommended |
| Official Syllabus URL: | https://training.linuxfoundation.org/certification/kubernetes-cloud-native-associate/ |
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Linux Foundation KCNA (Kubernetes and Cloud Native Associate) Certification Exam is a highly sought-after certification for individuals who wish to establish their expertise in cloud-native computing technologies. Kubernetes is an open-source platform that manages containerized applications, while cloud-native computing is an approach to building and running applications that takes full advantage of cloud computing models. Kubernetes and Cloud Native Associate certification exam is designed to validate the skills and knowledge of professionals who are seeking a career in cloud-native computing.
NEW QUESTION # 54
In Kubernetes, what is the primary function of a RoleBinding?
Answer: A
Explanation:
A RoleBinding grants the permissions defined in a Role to a specific user, group, or service account within a namespace, enabling access control scoped to that namespace.
NEW QUESTION # 55
Which command is used to expose Kubernetes service
Answer: C
Explanation:
https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#expose
NEW QUESTION # 56
In Kubernetes, if the API version of feature is v2beta3, it means that:
Answer: A
Explanation:
The correct answer is B. In Kubernetes API versioning, the stability level is encoded in the version string:
alpha, beta, and stable (v1). A version like v2beta3 indicates the API is in a beta stage. Beta APIs are more mature than alpha, but they are not fully guaranteed stable in perpetuity the way v1 stable APIs are intended to be. The key implication is that while beta APIs are generally usable, they can still undergo incompatible changes in future releases as the API design evolves.
Option B captures that meaning: a beta API may change in ways that break compatibility. This is why teams should treat beta APIs with some caution in production: verify upgrade plans, monitor deprecation notices, and be prepared to adjust manifests or client code when moving between Kubernetes versions.
Why the other options are incorrect:
* A implies permanence across all future releases in a major version, which is not a beta guarantee.
Kubernetes has deprecation and graduation processes, but beta does not equal "forever."
* C overstates safety; beta is typically "tested and enabled by default" for some features, but it's not the same as stable API guarantees.
* D is too vague and misaligned. While any software may contain bugs, the defining point of "beta API" is about stability/compatibility guarantees, not merely "bugs." In practice, Kubernetes communicates API lifecycle clearly: alpha is experimental and may be disabled by default; beta is feature-complete-ish but may change; stable v1 is strongly compatibility-focused with formal deprecation policies. So, a v2beta3 API signals: usable, but not fully locked-hence B.
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NEW QUESTION # 57
In CNCF, who develops specifications for industry standards around container formats and runtimes?
Answer: B
Explanation:
The organization responsible for defining widely adopted standards around container formats and runtime specifications is the Open Container Initiative (OCI), so A is correct. OCI defines the image specification (how container images are structured and stored) and the runtime specification (how to run a container), enabling interoperability across tooling and vendors. This is foundational to the cloud-native ecosystem because it allows different build tools, registries, runtimes, and orchestration platforms to work together reliably.
Within Kubernetes and CNCF-adjacent ecosystems, OCI standards are the reason an image built by one tool can be pushed to a registry and pulled/run by many different runtimes. For example, a Kubernetes node running containerd or CRI-O can run OCI-compliant images consistently. OCI standardization reduces fragmentation and vendor lock-in, which is a core motivation in open source cloud-native architecture.
The other options are not correct for this question. CNI (Container Network Interface) is a standard for configuring container networking, not container image formats and runtimes. CRI (Container Runtime Interface) is a Kubernetes-specific interface between kubelet and container runtimes-it enables pluggable runtimes for Kubernetes, but it is not the industry standard body for container format/runtime specifications. "LFCG" is not the recognized standards body here.
In short: OCI defines the "language" for container images and runtime behavior, which is why the same image can be executed across environments. Kubernetes relies on those standards indirectly through runtimes and tooling, but the specification work is owned by OCI. Therefore, the verified correct answer is A.
NEW QUESTION # 58
Which statement is correct about Role and ClusterRole objects in Kubernetes?
Answer: C
Explanation:
A Role defines permissions that apply only within a specific namespace, limiting its scope to resources in that namespace.
NEW QUESTION # 59
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