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| Section | Weight | Objectives |
|---|---|---|
| Troubleshooting | 30% | - Cluster component troubleshooting - Application and networking debugging |
| Services & Networking | 20% | - Ingress configuration - Network policies - Services (ClusterIP, NodePort, LoadBalancer) |
| Cluster Architecture, Installation & Configuration | 25% | - Cluster installation and configuration - Kubernetes architecture components - High availability setup |
| Storage | 10% | - Storage classes - PersistentVolumes and PersistentVolumeClaims |
| Workloads & Scheduling | 15% | - Deployments and rolling updates - ConfigMaps and Secrets - Scheduling constraints |
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NEW QUESTION # 82
You have a Deployment running a web application with three replicas. The application is exposed using a 'NodePort' service. You need to configure the service so that it allows traffic only from specific IP addresses (e.g., 192.168.1.10, 192.168.1.20).
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a NetworkPolicy:
- Define a NetworkPolicy resource that allows traffic from the specified IP addresses to the Deployment pods.
2. Apply the NetworkPolicy: - Apply the YAML file using 'kubectl apply -f networkpolicy.yaml'. 3. Verify the NetworkPolicy: - Check the status of the NetworkPolicy using 'kubectl get networkpolicies allow-specific-ips -n 4. Test the Access: - Attempt to access the web application from the allowed IP addresses. You should be able to access it. - Try to access the application from other IP addresses. You should not be able to access it. Note: Replace " with the actual namespace where your Deployment and NetworkPolicy are located.
NEW QUESTION # 83
Score: 5%
Task
From the pod label name=cpu-utilizer, find pods running high CPU workloads and write the name of the pod consuming most CPU to the file /opt/KUTR00401/KUTR00401.txt (which already exists).
Answer:
Explanation:
See the solution below.
Explanation
Solution:
kubectl top -l name=cpu-user -A
echo 'pod name' >> /opt/KUT00401/KUT00401.txt
NEW QUESTION # 84
Task Weight: 4%
Task
Schedule a Pod as follows:
* Name: kucc1
* App Containers: 2
* Container Name/Images:
o nginx
o consul
Answer:
Explanation:
Solution:
NEW QUESTION # 85
Scale the deployment webserver to 6 pods.
Answer:
Explanation:
NEW QUESTION # 86
Configure the kubelet systemd- managed service, on the node labelled with name=wk8s-node-1, to launch a pod containing a single container of Image httpd named webtool automatically. Any spec files required should be placed in the /etc/kubernetes/manifests directory on the node.
You can ssh to the appropriate node using:
[student@node-1] $ ssh wk8s-node-1
You can assume elevated privileges on the node with the following command:
[student@wk8s-node-1] $ | sudo -i
Answer:
Explanation:
NEW QUESTION # 87
......
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