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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Storage | 10% | - Understand Storage Classes and Persistent Volumes - Understand persistent volume claims primitive - Understand how to configure applications with persistent storage - Understand volume mode, access modes and reclaim policies |
| Topic 2: Workloads & Scheduling | 15% | - Understand resource limits and requests - Understand how scheduler works - Use ConfigMaps and Secrets to configure applications - Understand Deployments and rolling update/rollback - Use label selectors to schedule Pods - Understand DaemonSets - Understand how to run multiple schedulers and configure scheduler policies - Understand Static Pods |
| Topic 3: Troubleshooting | 30% | - Troubleshoot application failure - Understand how to monitor applications - Troubleshoot cluster component failure - Troubleshoot networking - Evaluate cluster and node logging - Manage container stdout & stderr logs |
| Topic 4: Cluster Architecture, Installation & Configuration | 25% | - Prepare underlying infrastructure for installing a Kubernetes cluster - Create and manage Kubernetes clusters using kubeadm - Manage role based access control (RBAC) - Understand extension interfaces (CNI, CSI, CRI, etc.) - Manage the lifecycle of Kubernetes clusters - Implement and configure a highly-available control plane - Understand CRDs, install and configure operators - Use Helm and Kustomize to install cluster components |
| Topic 5: Services & Networking | 20% | - Know how to use Ingress controllers and Ingress resources - Use ClusterIP, NodePort, LoadBalancer service types and endpoints - Use the Gateway API to manage Ingress traffic - Define and enforce Network Policies - Understand connectivity between Pods - Understand and use CoreDNS |
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NEW QUESTION # 21
Create and configure the service front-end-service so it's accessible through NodePort and routes to the existing pod named front-end.
Answer:
Explanation:
NEW QUESTION # 22
List all the pods sorted by created timestamp
Answer:
Explanation:
kubect1 get pods--sort-by=.metadata.creationTimestamp
NEW QUESTION # 23
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 # 24
Create a busybox pod that runs the command "env" and save the output to "envpod" file
Answer:
Explanation:
kubectl run busybox --image=busybox --restart=Never --rm -it -- env > envpod.yaml
NEW QUESTION # 25
Create 2 nginx image pods in which one of them is labelled with env=prod and another one labelled with env=dev and verify the same.
Answer:
Explanation:
kubectl run --generator=run-pod/v1 --image=nginx -- labels=env=prod nginx-prod --dry-run -o yaml > nginx-prodpod.yaml Now, edit nginx-prod-pod.yaml file and remove entries like "creationTimestamp: null" "dnsPolicy: ClusterFirst" vim nginx-prod-pod.yaml apiVersion: v1 kind: Pod metadata:
labels:
env: prod
name: nginx-prod
spec:
containers:
- image: nginx
name: nginx-prod
restartPolicy: Always
# kubectl create -f nginx-prod-pod.yaml
kubectl run --generator=run-pod/v1 --image=nginx --
labels=env=dev nginx-dev --dry-run -o yaml > nginx-dev-pod.yaml
apiVersion: v1
kind: Pod
metadata:
labels:
env: dev
name: nginx-dev
spec:
containers:
- image: nginx
name: nginx-dev
restartPolicy: Always
# kubectl create -f nginx-prod-dev.yaml
Verify :
kubectl get po --show-labels
kubectl get po -l env=prod
kubectl get po -l env=dev
NEW QUESTION # 26
......
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