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Linux Foundation CKA Exam Syllabus Topics:

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

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q18-Q23):

NEW QUESTION # 18
Create a nginx pod with label env=test in engineering namespace
See the solution below.

A. 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
B. 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

Answer: A

NEW QUESTION # 19
Create a pod with init container which waits for a service called "myservice" to be created. Once init container completes, the myapp-container should start and print a message "The app is running" and sleep for 3600 seconds.

A. vim multi-container-pod.yaml
apiVersion: v1
kind: Pod
metadata:
name: myapp-pod
labels:
app: myapp
spec:
containers:
- name: myapp-container
image: busybox:1.28
command: ['sh', '-c', 'echo The app is running! && sleep
3600']
initContainers:
- name: init-myservice
image: busybox:1.28
command: ['sh', '-c', "until nslookup myservice.$(cat
/var/run/secrets/kubernetes.io/serviceaccount/namespace).s
vc.cluster.local; do echo waiting for myservice; sleep 2;
done"]
// Check whether service called "myservice" exists
kubectl get svc
Note: Pod will not start if service called "myservice" doesn't
exist.
// Now, Create the pod
kubectl apply -f multi-container-pod.yaml
B. vim multi-container-pod.yaml
apiVersion: v1
kind: Pod
metadata:
name: myapp-pod
labels:
app: myapp
spec:
containers:
- name: myapp-container
image: busybox:1.28
command: ['sh', '-c', 'echo The app is running! && sleep
3600']
initContainers:
- name: init-myservice
done"]
// Check whether service called "myservice" exists
kubectl get svc
Note: Pod will not start if service called "myservice" doesn't
exist.
// Now, Create the pod
kubectl apply -f multi-container-pod.yaml

Answer: A

NEW QUESTION # 20
Check the Image version of nginx-dev pod using jsonpath

Answer:

Explanation:
kubect1 get po nginx-dev -o
jsonpath='{.spec.containers[].image}{"\n"}'

NEW QUESTION # 21
Get IP address of the pod - "nginx-dev"

Answer:

Explanation:
Kubect1 get po -o wide
Using JsonPath
kubect1 get pods -o=jsonpath='{range
.items[*]}{.metadata.name}{"\t"}{.status.podIP}{"\n"}{end}'

NEW QUESTION # 22
List all the pods sorted by name

Answer:

Explanation:
See the solution below.
Explanation
kubectl get pods --sort-by=.metadata.name

NEW QUESTION # 23
......

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