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| Section | Weight | Objectives |
|---|---|---|
| Services & Networking | 20% | - Ingress resources and controllers - Service types: ClusterIP, NodePort, LoadBalancer, ExternalName - CNI configuration and troubleshooting - Network policies - CoreDNS and service discovery |
| Workloads & Scheduling | 15% | - Pod scheduling: node selector, affinity, taints/tolerations - Configure applications with ConfigMaps and Secrets - Resource requests, limits and autoscaling - Deployments, rolling updates and rollbacks - Pod lifecycle, init containers, probes |
| Cluster Architecture, Installation & Configuration | 25% | - Understand CNI, CSI, CRI interfaces - Work with CRDs and Operators - Implement high availability control plane - Manage RBAC - Manage cluster lifecycle and upgrades - Install components via Helm / Kustomize - Create and manage clusters with kubeadm - Prepare infrastructure for cluster installation |
| Troubleshooting | 30% | - Log collection and analysis - Network connectivity and DNS resolution problems - Control plane component failures - Worker node issues and recovery - Pod and application failures - Cluster component health checks |
| Storage | 10% | - Persistent Volumes (PV) and Persistent Volume Claims (PVC) - Volume types and access modes - StorageClasses and dynamic provisioning - StatefulSet storage configuration |
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NEW QUESTION # 78
You are managing a Kubernetes cluster for a company with multiple teams working on different projects. You want to implement RBAC to ensure each team has access only to the resources they need.
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Team A (developers) needs to create and manage deployments, pods, and services in the "dev" namespace.
Team B (ops) needs to manage the cluster's overall health and can access all resources in all namespaces.
Team C (security) needs to audit and monitor all cluster activity but cannot modify any resources.
Create a YAML file to define the roles and role bindings to implement this RBAC setup.
Solution (Step by Step) :
1 . Create the "dev" namespace:
kubectl create namespace dev
2. Define the "dev-team" role:
3. Create the "dev-team" role binding:
4. Define the "ops-team" role:
5. Create the "ops-team" role binding:
6. Define the "security-team" role:
7. Create the "security-team" role binding:
8. Apply the YAML file to the cluster: kubectl apply -f rbac-config.yaml
NEW QUESTION # 79
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 # 80
Create a nginx pod with label env=test in engineering namespace
Answer:
Explanation:
kubectl run nginx --image=nginx --restart=Never --labels=env=test --namespace=engineering --dry-run -o yaml > nginx-pod.yaml kubectl run nginx --image=nginx --restart=Never --labels=env=test --namespace=engineering --dry-run -o yaml | kubectl create -n engineering -f - YAML File:
apiVersion: v1
kind: Pod
metadata:
name: nginx
namespace: engineering
labels:
env: test
spec:
containers:
- name: nginx
image: nginx
imagePullPolicy: IfNotPresent
restartPolicy: Never
kubectl create -f nginx-pod.yaml
NEW QUESTION # 81
You must connect to the correct host.
Failure to do so may result in a zero score.
[candidate@base] $ ssh Cka000060
Task
Install Argo CD in the cluster by performing the following tasks:
Add the official Argo CD Helm repository with the name argo
The Argo CD CRDs have already been pre-installed in the cluster
Generate a template of the Argo CD Helm chart version 7.7.3 for the argocd namespace and save it to ~/argo- helm.yaml . Configure the chart to not install CRDs.
Answer:
Explanation:
Task Summary
* SSH into cka000060
* Add the Argo CD Helm repo named argo
* Generate a manifest (~/argo-helm.yaml) for Argo CD version 7.7.3
* Target namespace: argocd
* Do not install CRDs
* Just generate, don't install
# Step-by-Step Solution
1## SSH into the correct host
ssh cka000060
## Required - skipping this = zero score
2## Add the Argo CD Helm repository
helm repo add argo https://argoproj.github.io/argo-helm
helm repo update
# This adds the official Argo Helm chart source.
3## Generate Argo CD Helm chart template (version 7.7.3)
Use the helm template command to generate a manifest and write it to ~/argo-helm.yaml.
helm template argocd argo/argo-cd \
--version 7.7.3 \
--namespace argocd \
--set crds.install=false \
> ~/argo-helm.yaml
* argocd # Release name (can be anything; here it's same as the namespace)
* --set crds.install=false # Disables CRD installation
* > ~/argo-helm.yaml # Save to required file
# 4## Verify the generated file (optional but smart)
head ~/argo-helm.yaml
Check that it contains valid Kubernetes YAML and does not include CRDs.
# Final Command Summary
ssh cka000060
helm repo add argo https://argoproj.github.io/argo-helm
helm repo update
helm template argocd argo/argo-cd \
--version 7.7.3 \
--namespace argocd \
--set crds.install=false \
> ~/argo-helm.yaml
head ~/argo-helm.yaml # Optional verification
NEW QUESTION # 82
Create PersistentVolume named task-pv-volume with storage 10Gi, access modes ReadWriteMany, storageClassName manual, and volume at /mnt/data and Create a PersistentVolumeClaim of at least 3Gi storage and access mode ReadWriteOnce and verify
Answer: B
NEW QUESTION # 83
......
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