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CNCF Kubernetes and Cloud Native Associate (KCNA) - 340 Questions

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Practice exam for the CNCF Kubernetes and Cloud Native Associate (KCNA) certification. Covers Kubernetes Fundamentals, Container Orchestration, Cloud Native Application Delivery, and Cloud Native Architecture.

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1. A company is evaluating container orchestration platforms and wants to understand the core benefit that Kubernetes provides over running containers manually with Docker. Which statement best describes the primary value of Kubernetes?

A Automates the deployment, scaling, and self-healing of containerized applications across a cluster of nodes
B Builds container images from application source code and pushes them to a registry
C Provides a private container image registry for storing and versioning Docker images
D Offers a managed runtime environment that compiles and executes application code inside containers

2. A solutions architect is designing a Kubernetes cluster for a production workload. They need to identify which component is responsible for storing the entire cluster state and configuration. Which component fulfills this role?

A kube-scheduler
B etcd
C kubelet
D kube-proxy

3. An operations team is troubleshooting why new Pods are not being placed on any nodes in the cluster. After investigation, they find that no node assignments are being made. Which control plane component is most likely experiencing an issue?

A kube-apiserver
B kube-controller-manager
C kube-scheduler
D etcd

4. A DevOps engineer wants to understand the role of the kube-controller-manager. Which description most accurately captures its responsibility in a Kubernetes cluster?

A Runs control loops that continuously reconcile the actual cluster state toward the desired state defined in resource specifications
B Routes network traffic between Pods and Services using iptables rules on each worker node
C Exposes the Kubernetes REST API and authenticates all inbound requests to the cluster
D Assigns newly created Pods to specific worker nodes based on resource availability

5. A team is new to Kubernetes and asks a senior engineer to explain the difference between a Pod and a container. Which answer best describes the relationship?

A A Pod is a lightweight virtual machine that runs containers on dedicated hardware
B A Pod is the smallest deployable unit in Kubernetes that wraps one or more containers sharing the same network namespace and storage volumes
C A Pod and a container are the same concept — Kubernetes uses the terms interchangeably
D A Pod spans multiple nodes and automatically distributes containers for high availability

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Information

Questions 340
Time 1h 30min
Difficulty Easy
Minimum Score 75.00%
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