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The Linux Foundation CKA exam is a performance-based exam that tests a candidate's ability to perform tasks commonly performed by Kubernetes administrators. CKA exam consists of a set of tasks that must be completed within a set amount of time. Candidates are required to demonstrate their ability to perform tasks such as deploying applications, scaling clusters, and troubleshooting issues. CKA Exam is designed to be challenging, but candidates who have experience with Kubernetes and have prepared adequately should be able to pass the exam.

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The CKA certification is a globally recognized certification that is highly valued in the IT industry. It is designed to validate the skills and knowledge of IT professionals who can operate Kubernetes clusters. Certified Kubernetes Administrator (CKA) Program Exam certification is ideal for individuals who want to demonstrate their expertise in Kubernetes and advance their careers in the IT industry. The CKA program is an excellent opportunity for IT professionals to enhance their skills and knowledge and become certified Kubernetes administrators.

Linux Foundation Certified Kubernetes Administrator (CKA) Program Exam Sample Questions (Q35-Q40):

NEW QUESTION # 35
For this item, you will havetosshto the nodesik8s-master-0andik8s-node-0and complete all tasks on thesenodes. Ensure that you return tothe base node (hostname:node-1) when you havecompleted this item.
Context
As an administrator of a smalldevelopment team, you have beenasked to set up a Kubernetes clusterto test the viability of a newapplication.
Task
You must usekubeadmto performthis task. Anykubeadminvocationswill require the use of the
--ignore-preflight-errors=alloption.
* Configure thenodeik8s-master-Oas a masternode. .
* Join the nodeik8s-node-otothe cluster.

Answer:

Explanation:
See the solution below.
Explanation
solution
You must use thekubeadmconfiguration file located at when initializingyour cluster.
You may use any CNI pluginto complete this task, but ifyou don't have your favouriteCNI plugin's manifest URL athand, Calico is one popularoption:https://docs.projectcalico.org/v3.14/manifests/calico.yaml Docker is already installedon both nodes and hasbeen configured so that you caninstall the required tools.

NEW QUESTION # 36
Create a ETCD backup of kubernetes cluster
Note : You don't need to memorize command, refer -
https://kubernetes.io/docs/tasks/administer-cluster/configureupgrade-etcd/ during exam

A. ETCDCTL_API=3 etcdctl --endpoints=[ENDPOINT] --cacert=[CA CERT]
--cert=[ETCD SERVER CERT] --key=[ETCD SERVER KEY] snapshot save
[BACKUP FILE NAME]
In exam, cluster setup is done with kubeadm , this means ETCD
used by the kubernetes cluster is coming from static pod.
kubectl get pod -n kube-system
kubectl describe pod etcd-master -n kube-system
You can locate the information on
endpoint: - advertise-client-urls=https://172.16.0.18:2379
ca certificate: - trusted-cafile=/etc/kubernetes/pki/etcd/ca.crt
server certificate : - certfile=/etc/kubernetes/pki/etcd/server.crt
key: - key-file=/etc/kubernetes/pki/etcd/server.key
To Create backup
export ETCDCTL_API=3
(or)
ETCDCTL_API=3 etcdctl ETCDCTL_API=3 etcdctl --
endpoints=https://172.17.0.15:2379 --
key=/etc/kubernetes/pki/etcd/server.key snapshot save etcdsnapshot.db
//Verify
ETCDCTL_API=3 etcdctl --write-out=table snapshot status
snapshot.db
B. ETCDCTL_API=3 etcdctl --endpoints=[ENDPOINT] --cacert=[CA CERT]
--cert=[ETCD SERVER CERT] --key=[ETCD SERVER KEY] snapshot save
[BACKUP FILE NAME]
In exam, cluster setup is done with kubeadm , this means ETCD
used by the kubernetes cluster is coming from static pod.
kubectl get pod -n kube-system
kubectl describe pod etcd-master -n kube-system
You can locate the information on
endpoint: - advertise-client-urls=https://172.17.0.15:2379
ca certificate: - trusted-cafile=/etc/kubernetes/pki/etcd/ca.crt
server certificate : - certfile=/etc/kubernetes/pki/etcd/server.crt
key: - key-file=/etc/kubernetes/pki/etcd/server.key
To Create backup
export ETCDCTL_API=3
(or)
ETCDCTL_API=3 etcdctl ETCDCTL_API=3 etcdctl --
endpoints=https://172.17.0.15:2379 --
cacert=/etc/kubernetes/pki/etcd/ca.crt --
cert=/etc/kubernetes/pki/etcd/server.crt --
key=/etc/kubernetes/pki/etcd/server.key snapshot save etcdsnapshot.db
//Verify
ETCDCTL_API=3 etcdctl --write-out=table snapshot status
snapshot.db

Answer: B

NEW QUESTION # 37
Create a pod namedkucc8with asingle app container for each of the
following images running inside(there may be between 1 and 4images specified):
nginx + redis + memcached.

Answer:

Explanation:
See the solution below.
Explanation
solution

NEW QUESTION # 38
Create a deployment spec file that will:
* Launch 7 replicas of the nginx Image with the labelapp_runtime_stage=dev
* deployment name: kual00201
Save a copy of this spec file to /opt/KUAL00201/spec_deployment.yaml
(or /opt/KUAL00201/spec_deployment.json).
When you are done, clean up (delete) any new Kubernetes API object that you produced during this task.

Answer:

Explanation:

NEW QUESTION # 39
Score: 7%

Task
Create a new nginx Ingress resource as follows:
* Name: ping
* Namespace: ing-internal
* Exposing service hi on path /hi using service port 5678

Answer:

Explanation:
See the solution below.
Explanation
Solution:
vi ingress.yaml
#
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: ping
namespace: ing-internal
spec:
rules:
- http:
paths:
- path: /hi
pathType: Prefix
backend:
service:
name: hi
port:
number: 5678
#
kubectl create -f ingress.yaml

NEW QUESTION # 40
......

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