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Linux Foundation has released a new certification exam called KCNA (Kubernetes and Cloud Native Associate) Certification Exam. Kubernetes and Cloud Native Associate certification exam is designed to test an individual's knowledge and skills in Kubernetes and cloud-native technologies. It is an entry-level certification that is perfect for those who are looking to start a career in the field of cloud computing.
The KCNA Exam is an online, performance-based exam that is conducted on a Kubernetes cluster. KCNA exam consists of a series of performance-based tasks that are designed to test the candidate's ability to deploy, manage, and troubleshoot Kubernetes clusters. KCNA exam covers a wide range of topics, including container basics, Kubernetes architecture, deployment, networking, and storage.
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Linux Foundation KCNA Exam is an ideal certification for professionals who are interested in working with cloud-native technologies or who are already working in the field. Kubernetes and Cloud Native Associate certification can help individuals advance their careers and increase their earning potential by demonstrating their expertise in this rapidly growing field. With the increasing adoption of cloud-native technologies by organizations of all sizes, the demand for professionals with KCNA Certification is expected to continue to grow in the coming years.
NEW QUESTION # 256
Manual reclamation policy of a PV resource is known as:
Answer: A
Explanation:
The correct answer is C: Retain. In Kubernetes persistent storage, a PersistentVolume (PV) has a persistentVolumeReclaimPolicy that determines what happens to the underlying storage asset after its PersistentVolumeClaim (PVC) is deleted. The reclaim policy options historically include Delete and Retain (and Recycle, which is deprecated/removed in many modern contexts). "Manual reclamation" refers to the administrator having to manually clean up and/or rebind the storage after the claim is released-this behavior corresponds to Retain.
With Retain, when the PVC is deleted, the PV moves to a "Released" state, but the actual storage resource (cloud disk, NFS path, etc.) is not deleted automatically. Kubernetes will not automatically make that PV available for a new claim until an administrator takes action-typically cleaning the data, removing the old claim reference, and/or creating a new PV/PVC binding flow. This is important for data safety: you don't want to automatically delete sensitive or valuable data just because a claim was removed.
By contrast, Delete means Kubernetes (via the storage provisioner/CSI driver) will delete the underlying storage asset when the claim is deleted-useful for dynamic provisioning and disposable environments. Recycle used to scrub the volume contents and make it available again, but it's not the recommended modern approach and has been phased out in favor of dynamic provisioning and explicit workflows.
So, the policy that implies manual intervention and manual cleanup/reuse is Retain, which is option C.
NEW QUESTION # 257
Which are the two primary modes for Service discovery within a Kubernetes cluster?
Answer: A
Explanation:
Kubernetes supports two primary built-in modes of Service discovery for workloads: environment variables and DNS, making A correct.
* Environment variables: When a Pod is created, kubelet can inject environment variables for Services that exist in the same namespace at the time the Pod starts. These variables include the Service host and port (for example, MY_SERVICE_HOST and MY_SERVICE_PORT). This approach is simple but has limitations: values are captured at Pod creation time and don't automatically update if Services change, and it can become cluttered in namespaces with many Services.
* DNS-based discovery: This is the most common and flexible method. Kubernetes cluster DNS (usually CoreDNS) provides names like service-name.namespace.svc.cluster.local. Clients resolve the name and connect to the Service, which then routes to backend Pods. DNS scales better, is dynamic with endpoint updates, supports headless Services for per-Pod discovery, and is the default pattern for microservice communication.
The other options are not Kubernetes service discovery modes. Labels and selectors are used internally to relate Services to Pods, but they are not what application code uses for discovery (apps typically don't query selectors; they call DNS names). LDAP and RADIUS are identity/authentication protocols, not service discovery. DHCP is for IP assignment on networks, not for Kubernetes Service discovery.
Operationally, DNS is central: many applications assume name-based connectivity. If CoreDNS is misconfigured or overloaded, service-to-service calls may fail even if Pods and Services are otherwise healthy. Environment-variable discovery can still work for some legacy apps, but modern cloud-native practice strongly prefers DNS (and sometimes service meshes on top of it). The key exam concept is:
Kubernetes provides service discovery via env vars and DNS.
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NEW QUESTION # 258
What is the main purpose of the Open Container Initiative (OCI)?
Answer: A
Explanation:
The Open Container Initiative (OCI) focuses on creating open industry standards for container formats and runtimes to ensure interoperability and consistency across implementations.
NEW QUESTION # 259
Which of the following components is part of the Kubernetes control panel
Answer: E
Explanation:
https://kubernetes.io/docs/concepts/overview/components/
NEW QUESTION # 260
What framework does Kubernetes use to authenticate users with JSON Web Tokens?
Answer: A
NEW QUESTION # 261
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