FREE CKA DOWNLOAD, NEW CKA MOCK EXAM

Free CKA Download, New CKA Mock Exam

Free CKA Download, New CKA Mock Exam

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Tags: Free CKA Download, New CKA Mock Exam, CKA Reliable Study Notes, CKA New Study Plan, Customized CKA Lab Simulation

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Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q85-Q90):

NEW QUESTION # 85
Create a pod as follows:
* Name:mongo
* Using Image:mongo
* In anew Kubernetes namespacenamed:my-website

Answer:

Explanation:
See the solution below.
Explanation
solution


NEW QUESTION # 86
Create a deployment named "myapp" that having 2 replicas with
nginx image and expose deployment as service named "myservice"

  • A. // Create a YAML Template
    kubectl create deploy myapp --image=nginx --dry-run -o yaml >
    myapp.yaml
    //Update replicas=2 in myapp.yaml file
    apiVersion: apps/v1
    kind: Deployment
    metadata:
    labels:
    app: myapp
    name: myapp
    spec:
    replicas: 2
    selector:
    matchLabels:
    app: myapp
    template:
    metadata:
    labels:
    app: myapp
    spec:
    containers:
    - image: nginx
    name: nginx
    // Create deployment
    kubectl create -f myapp.yaml
    // Creating YAML template for service
    kubectl expose deployment myapp --type=ClusterIP --port=60 --
    target-port=60 --name=myservice --dry-run -o yaml >
    myservice.yaml
    YAML File:
    apiVersion: v1
    kind: Service
    metadata:
    labels:
    app: myapp
    name: myservice
    spec:
    ports:
    - port: 60
    protocol: TCP
    targetPort: 80
    selector:
    app: myapp
    type: ClusterIP
    kubectl get svc
    NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S)
    AGE
    kubernetes ClusterIP 10.2.0.1 <none> 443/TCP
    158d
    myservice ClusterIP 10.2.96.175 <none> 80/TCP
    40s
  • B. // Create a YAML Template
    kubectl create deploy myapp --image=nginx --dry-run -o yaml >
    myapp.yaml
    //Update replicas=2 in myapp.yaml file
    apiVersion: apps/v1
    kind: Deployment
    metadata:
    labels:
    app: myapp
    name: myapp
    spec:
    replicas: 2
    selector:
    matchLabels:
    app: myapp
    template:
    metadata:
    labels:
    app: myapp
    spec:
    containers:
    - image: nginx
    name: nginx
    // Create deployment
    kubectl create -f myapp.yaml
    // Creating YAML template for service
    kubectl expose deployment myapp --type=ClusterIP --port=80 --
    target-port=80 --name=myservice --dry-run -o yaml >
    myservice.yaml
    YAML File:
    apiVersion: v1
    kind: Service
    metadata:
    labels:
    app: myapp
    name: myservice
    spec:
    ports:
    - port: 80
    protocol: TCP
    targetPort: 80
    selector:
    app: myapp
    type: ClusterIP
    kubectl get svc
    NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S)
    AGE
    kubernetes ClusterIP 10.2.0.1 <none> 443/TCP
    158d
    myservice ClusterIP 10.2.96.175 <none> 80/TCP
    40s

Answer: B


NEW QUESTION # 87
You have a deployment named 'web-app' with three replicas, exposing the application using a 'LoadBalancer' service. The application uses an internal database service named 'db-service' that is running as a 'ClusterlP' service. You need to configure the 'web-app' deployment to only allow traffic from the service' to its internal port (e.g., 5432).

Answer:

Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a NetworkPolicy:
- Create a NetworkPolicy resource that allows traffic from the 'db-service' to the 'web-app' Deployment.

2. Apply the NetworkPolicy: - Apply the YAML file using 'kubectl apply -f networkpolicy.yaml'. 3. Verify the NetworkPolicy: - Check the status of the NetworkPolicy using 'kubectl get networkpolicies allow-db-to-web-app -n . 4. Test: - Ensure that the 'db-service' can communicate with the 'web-app' deployment on port 5432. - Attempt to connect to port 5432 on 'web-app' pods from outside the cluster or from other services/pods within the cluster that are not the 'db-service'. You should not be able to connect. Note: Replace with the actual namespace where your deployments and services are located.


NEW QUESTION # 88
Score: 4%

Task
Create a persistent volume with name app-data , of capacity 1Gi and access mode ReadOnlyMany. The type of volume is hostPath and its location is /srv/app-data .

Answer:

Explanation:
Solution:
#vi pv.yaml
apiVersion: v1
kind: PersistentVolume
metadata:
name: app-config
spec:
capacity:
storage: 1Gi
accessModes:
- ReadOnlyMany
hostPath:
path: /srv/app-config
#
kubectl create -f pv.yaml


NEW QUESTION # 89
List "nginx-dev" and "nginx-prod" pod and delete those pods

Answer:

Explanation:
kubect1 get pods -o wide
kubectl delete po "nginx-dev" kubectl delete po "nginx-prod"


NEW QUESTION # 90
......

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