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Linux Foundation CKA Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Cluster Architecture, Installation & Configuration	25%	- Install components via Helm / Kustomize - Manage cluster lifecycle and upgrades - Work with CRDs and Operators - Understand CNI, CSI, CRI interfaces - Manage RBAC - Implement high availability control plane - Prepare infrastructure for cluster installation - Create and manage clusters with kubeadm
Topic 2: Workloads & Scheduling	15%	- Resource requests, limits and autoscaling - Configure applications with ConfigMaps and Secrets - Deployments, rolling updates and rollbacks - Pod scheduling: node selector, affinity, taints/tolerations - Pod lifecycle, init containers, probes
Topic 3: Storage	10%	- Persistent Volumes (PV) and Persistent Volume Claims (PVC) - StorageClasses and dynamic provisioning - StatefulSet storage configuration - Volume types and access modes
Topic 4: Services & Networking	20%	- CNI configuration and troubleshooting - Network policies - Service types: ClusterIP, NodePort, LoadBalancer, ExternalName - CoreDNS and service discovery - Ingress resources and controllers
Topic 5: Troubleshooting	30%	- Cluster component health checks - Pod and application failures - Control plane component failures - Network connectivity and DNS resolution problems - Worker node issues and recovery - Log collection and analysis

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q45-Q50):

NEW QUESTION # 45
Get list of all the pods showing name and namespace with a jsonpath expression.

Answer:

Explanation:
kubectl get pods -o=jsonpath="{.items[*]['metadata.name'
, 'metadata.namespace']}"

NEW QUESTION # 46
Score: 7%

Task
Create a new NetworkPolicy named allow-port-from-namespace in the existing namespace echo. Ensure that the new NetworkPolicy allows Pods in namespace my-app to connect to port 9000 of Pods in namespace echo.
Further ensure that the new NetworkPolicy:
* does not allow access to Pods, which don't listen on port 9000
* does not allow access from Pods, which are not in namespace my-app

Answer:

Explanation:
See the solution below.
Explanation
Solution:
#network.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: allow-port-from-namespace
namespace: internal
spec:
podSelector:
matchLabels: {
}
policyTypes:
- Ingress
ingress:
- from:
- podSelector: {
}
ports:
- protocol: TCP
port: 8080
#spec.podSelector namespace pod
kubectl create -f network.yaml

NEW QUESTION # 47
Create an nginx pod with containerPort 80 and it should check the pod running at endpoint / healthz on port 80 and verify and delete the pod.

A. kubectl run nginx --image=nginx --restart=Always --port=80 --
dry-run -o yaml > nginx-pod.yaml
// add the livenessProbe section and create
apiVersion: v1
kind: Pod
metadata:
labels:
run: nginx
name: nginx
spec:
containers:
- image: nginx
name: nginx
ports:
- containerPort: 80
livenessProbe:
httpGet:
path: /healthz
port: 80
restartPolicy: Always
kubectl create -f nginx-pod.yaml
// verify
kubectl describe pod nginx | grep -i readiness
kubectl delete po nginx
B. kubectl run nginx --image=nginx --restart=Always --port=80 --
dry-run -o yaml > nginx-pod.yaml
// add the livenessProbe section and create
apiVersion: v1
kind: Pod
metadata:
labels:
containers:
- image: nginx
name: nginx
ports:
- containerPort: 60
livenessProbe:
httpGet:
path: /healthz
port: 60
restartPolicy: Always
kubectl create -f nginx-pod.yaml
// verify
kubectl describe pod nginx | grep -i readiness
kubectl delete po nginx

Answer: A

NEW QUESTION # 48
Check the image version in pod without the describe command

Answer:

Explanation:
kubectl get po nginx -o jsonpath='{.spec.containers[].image}{"\n"}'

NEW QUESTION # 49
Create a pod named kucc8 with a single app container for each of the
following images running inside (there may be between 1 and 4 images specified):
nginx + redis + memcached.

Answer:

Explanation:

NEW QUESTION # 50
......

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