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| Section | Weight | Objectives |
|---|---|---|
| Storage | 10% | - StatefulSet storage configuration - StorageClasses and dynamic provisioning - Persistent Volumes (PV) and Persistent Volume Claims (PVC) - Volume types and access modes |
| Cluster Architecture, Installation & Configuration | 25% | - Understand CNI, CSI, CRI interfaces - Work with CRDs and Operators - Install components via Helm / Kustomize - Prepare infrastructure for cluster installation - Manage RBAC - Create and manage clusters with kubeadm - Implement high availability control plane - Manage cluster lifecycle and upgrades |
| Services & Networking | 20% | - Ingress resources and controllers - CoreDNS and service discovery - Network policies - Service types: ClusterIP, NodePort, LoadBalancer, ExternalName - CNI configuration and troubleshooting |
| Troubleshooting | 30% | - Control plane component failures - Cluster component health checks - Network connectivity and DNS resolution problems - Pod and application failures - Log collection and analysis - Worker node issues and recovery |
| Workloads & Scheduling | 15% | - Resource requests, limits and autoscaling - Pod scheduling: node selector, affinity, taints/tolerations - Configure applications with ConfigMaps and Secrets - Pod lifecycle, init containers, probes - Deployments, rolling updates and rollbacks |
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NEW QUESTION # 33
Create a deployment as follows:
* Name: nginx-app
* Using container nginx with version 1.11.10-alpine
* The deployment should contain 3 replicas
Next, deploy the application with new version 1.11.13-alpine, by performing a rolling update.
Finally, rollback that update to the previous version 1.11.10-alpine.
Answer:
Explanation:
NEW QUESTION # 34
You have a Kubernetes cluster with a service account named "my-sa" in the "my-namespace" namespace. You need to grant the service account the ability to read and write secrets in the "my-namespace" namespace and the ability to create pods in that namespace.
Create a Role and RoleBinding to achieve this using kubectl commands.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1 . Create the Role: Use the following command to create a role called 'sa-secret-pod-writer' in the 'my- namespace' namespace:
kubectl create role sa-secret-pod-writer--namespace=my-namespace --verb=get--verb=list --verb=watch verb=create --verb=update --verb=delete --verb=patch --resource=secrets --resource=pods --api-groups=""
2. Create the RoleBinding: Bind the role to the service account using the following command:
kubectl create rolebinding sa-secret-pod-writer-binding --namespace=my-namespace --role=sa-secret-pod- writer --serviceaccount=my-namespace:my-sa
3. Verify Access: Try running a pod using the service account "my-sa" in the "my-namespace" namespace. You should be able to successfully create the pod and access secrets within the namespace. You can test this by creating a pod definition with the 'serviceAccountName: my-sa' and include a volume mount to a secret within the "my-namespace" namespace.,
NEW QUESTION # 35
Create a snapshot of the etcd instance running at https://127.0.0.1:2379, saving the snapshot to the file path
/srv/data/etcd-snapshot.db.
The following TLS certificates/key are supplied for connecting to the server with etcdctl:
CA certificate: /opt/KUCM00302/ca.crt
Client certificate: /opt/KUCM00302/etcd-client.crt
Client key: Topt/KUCM00302/etcd-client.key
Answer:
Explanation:
See the solution below.
Explanation
solution
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NEW QUESTION # 36
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 # 37
Schedule a Pod as follows:
. Name: kucc1
. App Containers : 2
. Container Name/Images :
* redis
* Memcached
Answer:
Explanation:
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NEW QUESTION # 38
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