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| Section | Weight | Objectives |
|---|---|---|
| Troubleshooting | 30% | - Cluster component troubleshooting - Application and networking debugging |
| Storage | 10% | - PersistentVolumes and PersistentVolumeClaims - Storage classes |
| Services & Networking | 20% | - Network policies - Ingress configuration - Services (ClusterIP, NodePort, LoadBalancer) |
| Workloads & Scheduling | 15% | - Scheduling constraints - Deployments and rolling updates - ConfigMaps and Secrets |
| Cluster Architecture, Installation & Configuration | 25% | - Kubernetes architecture components - High availability setup - Cluster installation and configuration |
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NEW QUESTION # 54
You have a Kubernetes cluster running a deployment named 'my-app' that is exposed via a NodePort service. You want to restrict access to the service from specific IP addresses within the cluster. How can you achieve this using a NetworkPolicy?
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a NetworkPolicy:
- Create a NetworkPolicy in the namespace where 'my-app' deployment runs.
- Code:
2. Apply the NetworkPolicy: - Apply the NetworkPolicy using 'kubectl apply -f networkpolicy.yamP
NEW QUESTION # 55
Get list of PVs and order by size and write to file "/opt/pvstorage.txt"
Answer:
Explanation:
kubectl get pv --sort-by=.spec.capacity.storage > /opt/pv storage.txt
NEW QUESTION # 56
You are deploying an application on Kubernetes. You need to ensure that a minimum of three pods are always running for this application. How can you achieve this? Describe how to configure the deployment with a replica count and a liveness probe to monitor the health of the pods.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a Deployment with a Replica Count:
- Create a YAML file named 'deployment.yamr with the following content:
- Apply the YAML file using 'kubectl apply -f deployment.yaml&. 2. Configure a Liveness Probe: - Update the 'deployment.yaml' file to include a liveness probe. For example, you could use a HTTP probe:
- Apply the updated YAML file using 'kubectl apply -f deployment.yaml'. 3. Verify the Deployment: - Check the status of the deployment using get deployments myapp-deploymen. - Ensure that three pods are running and that the liveness probe is monitoring their health. You can use 'kubectl describe pod myapp-deployment-XXXX' (where XXXX is the pod name) to see the details of the pod and the liveness probe status.
NEW QUESTION # 57
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/KUTR00102/KUTR00102.txt (which already exists).
Answer:
Explanation:
solution
NEW QUESTION # 58
Score: 4%
Task
Create a persistent volume with name app-data , of capacity 1Gi and access mode ReadOnlyMany. The type of volume is hostPath and its location is /srv/app-data .
Answer:
Explanation:
Solution:
#vi pv.yaml
apiVersion: v1
kind: PersistentVolume
metadata:
name: app-config
spec:
capacity:
storage: 1Gi
accessModes:
- ReadOnlyMany
hostPath:
path: /srv/app-config
#
kubectl create -f pv.yaml
NEW QUESTION # 59
......
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