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Linux Foundation CKA Exam Syllabus Topics:

Section	Weight	Objectives
Storage	10%	- Storage classes - PersistentVolumes and PersistentVolumeClaims
Cluster Architecture, Installation & Configuration	25%	- Cluster installation and configuration - High availability setup - Kubernetes architecture components
Troubleshooting	30%	- Application and networking debugging - Cluster component troubleshooting
Services & Networking	20%	- Ingress configuration - Network policies - Services (ClusterIP, NodePort, LoadBalancer)
Workloads & Scheduling	15%	- Scheduling constraints - ConfigMaps and Secrets - Deployments and rolling updates

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q37-Q42):

NEW QUESTION # 37
Perform the following tasks:
* Add an init container to hungry-bear (which has been defined in spec file
/opt/KUCC00108/pod-spec-KUCC00108.yaml)
* The init container should create an empty file named/workdir/calm.txt
* If /workdir/calm.txt is not detected, the pod should exit

Answer:

Explanation:
* Once the spec file has been updated with the init container definition, the pod should be created See the solution below.
Explanation
solution

NEW QUESTION # 38
Install a kubernetes cluster with one master and one worker using kubeadm

A. This is a straightforward question, you need to install kubernetes cluster using kubeadm with one master and one worker.
Refer : https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/
B. This is a straightforward question, you need to install kubernetes cluster using kubeadm with one master and one worker.
Installation is considered success once both master and worker
nodes become available.
Refer : https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/

Answer: B

NEW QUESTION # 39
Create a nginx pod with label env=test in engineering namespace

Answer:

Explanation:
See the solution below.
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 -nengineering-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 # 40
Create an nginx pod with container Port 80 and it should only receive traffic only it checks the endpoint / on port 80 and verify and delete the pod.

A. kubectl run nginx --image=nginx --restart=Never --port=80 --
dry-run -o yaml > nginx-pod.yaml
// add the readinessProbe section and create
vim nginx-pod.yaml
run: nginx
name: nginx
spec:
containers:
- image: nginx
name: nginx
ports:
- containerPort: 60
readinessProbe:
httpGet:
path: /
port: 60
restartPolicy: Never
kubectl apply -f nginx-pod.yaml
// verify
kubectl describe pod nginx | grep -i readiness
kubectl delete po nginx
B. kubectl run nginx --image=nginx --restart=Never --port=80 --
dry-run -o yaml > nginx-pod.yaml
// add the readinessProbe section and create
vim nginx-pod.yaml
apiVersion: v1
kind: Pod
metadata:
labels:
run: nginx
name: nginx
spec:
containers:
- image: nginx
name: nginx
ports:
- containerPort: 80
readinessProbe:
httpGet:
path: /
port: 80
restartPolicy: Never
kubectl apply -f nginx-pod.yaml
// verify
kubectl describe pod nginx | grep -i readiness
kubectl delete po nginx

Answer: B

NEW QUESTION # 41
Create an nginx pod with containerPort 80 and with a PersistentVolumeClaim "task-pv-claim" and has a mouth path "/usr/share/nginx/html"

A. vim nginx-pvc-pod.yaml
apiVersion: v1
kind: Pod
metadata:
name: task-pv-pod
spec:
volumes:
- name: task-pv-storage
persistentVolumeClaim:
claimName: task-pv-claim
containers:
- name: task-pv-container
image: nginx
ports:
- containerPort: 60
name: "http"
volumeMounts:
- mountPath: "/usr/share/nginx/html"
name: task-pv-storage
kubectl apply -f nginx-pvc-pod.yaml
// Verify
kubectl describe po "POD-Name" | grep -i volumes -A4
Volumes:
task-pv-storage:
Type: PersistentVolumeClaim (a reference to a
PersistentVolumeClaim in the same namespace)
ClaimName: task-pv-claim
ReadOnly: false
B. vim nginx-pvc-pod.yaml
apiVersion: v1
kind: Pod
metadata:
name: task-pv-pod
spec:
volumes:
- name: task-pv-storage
persistentVolumeClaim:
claimName: task-pv-claim
containers:
- name: task-pv-container
image: nginx
ports:
- containerPort: 80
name: "http"
volumeMounts:
- mountPath: "/usr/share/nginx/html"
name: task-pv-storage
kubectl apply -f nginx-pvc-pod.yaml
// Verify
kubectl describe po "POD-Name" | grep -i volumes -A5
Volumes:
task-pv-storage:
Type: PersistentVolumeClaim (a reference to a
PersistentVolumeClaim in the same namespace)
ClaimName: task-pv-claim
ReadOnly: false

Answer: B

NEW QUESTION # 42
......

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