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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cluster Architecture, Installation & Configuration | 25% | - Understand extension interfaces (CNI, CSI, CRI, etc.) - Use Helm and Kustomize to install cluster components - Implement and configure a highly-available control plane - Understand CRDs, install and configure operators - Prepare underlying infrastructure for installing a Kubernetes cluster - Manage the lifecycle of Kubernetes clusters - Manage role based access control (RBAC) - Create and manage Kubernetes clusters using kubeadm |
| Topic 2: Workloads & Scheduling | 15% | - Use ConfigMaps and Secrets to configure applications - Understand Deployments and rolling update/rollback - Understand how to run multiple schedulers and configure scheduler policies - Understand DaemonSets - Understand resource limits and requests - Understand how scheduler works - Understand Static Pods - Use label selectors to schedule Pods |
| Topic 3: Troubleshooting | 30% | - Manage container stdout & stderr logs - Troubleshoot application failure - Troubleshoot networking - Understand how to monitor applications - Troubleshoot cluster component failure - Evaluate cluster and node logging |
| Topic 4: Services & Networking | 20% | - Use ClusterIP, NodePort, LoadBalancer service types and endpoints - Define and enforce Network Policies - Understand and use CoreDNS - Understand connectivity between Pods - Know how to use Ingress controllers and Ingress resources - Use the Gateway API to manage Ingress traffic |
| Topic 5: Storage | 10% | - Understand volume mode, access modes and reclaim policies - Understand how to configure applications with persistent storage - Understand persistent volume claims primitive - Understand Storage Classes and Persistent Volumes |
>> CKA Reliable Test Questions <<
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NEW QUESTION # 68
Create a hostPath PersistentVolume named task-pv-volume with storage 10Gi, access modes ReadWriteOnce, storageClassName manual, and volume at /mnt/data and verify
Answer: B
NEW QUESTION # 69
List all persistent volumes sorted bycapacity, saving the fullkubectloutput to
/opt/KUCC00102/volume_list. Usekubectl 's own functionality forsorting the output, and do not manipulate it any further.
Answer:
Explanation:
See the solution below.
Explanation
solution
NEW QUESTION # 70
Schedule a pod as follows:
Name: nginx-kusc00101
Image: nginx
Node selector: disk=ssd
Answer:
Explanation:
solution
NEW QUESTION # 71
You have a deployment that runs multiple replicas of a web server application. You need to ensure that the Deployment always maintains at least 2 replicas available, even if one or more pods are deleted or become unavailable. How can you configure the Deployment to achieve this using the 'maxUnavailable' field in the 'strategy.rollingUpdate' section?
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Define the Deployment with maxUnavailable': Define a Deployment YAML file with 'replicas: 3', indicating that you want three replicas of the web server application. Then, in the 'strategy.rollinglJpdate' section, set the 'maxUnavailable' field to '1'.
2. Apply the Deployment: Apply the YAML file to your cluster using 'kubectl apply -f my-web-server.yamr. The deployment will create three replicas of your web server application. 3. Test the 'maxUnavailable' Configuration: Delete or terminate one of the pods in the Deployment. The Deployment will automatically create a new pod to replace the deleted or unavailable one, ensuring that at least two replicas are always available. You can monitor the status of the deployment using 'kubectl get pods -l app=my-web-server'. You should see that two pods are consistently running, while the third is being replaced.
NEW QUESTION # 72
Configure the kubelet systemd-managed service, on the nodelabelled withname=wk8s-node-1, tolaunch a pod containing a singlecontainer of Image automatically. Any spec filesrequired should be placed in the/etc/kubernetes/manifests You canssh to theappropriate node using:
[student@node-1] $ sshwk8s-node-1
You can assume elevatedprivileges on the node with thefollowing command:
[student@wk8s-node-1] $ |sudo -i
Answer:
Explanation:
See the solution below.
Explanation
solution
NEW QUESTION # 73
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