Linux Foundation CKAテストエンジン練習テスト問題、試験問題集
100%無料CKA日常練習試験には68問があります
認定されたKubernetes Administrator（CKA）プログラム認定試験は、Kubernetesクラスターを管理、展開、トラブルシューティングする個人のスキルを検証する業界で認識された資格情報です。 Kubernetesは、コンテナ化されたアプリケーションを管理するための好ましい選択肢となっているオープンソースのコンテナオーケストレーションシステムです。 Linux Foundationは、このテクノロジーの専門家の知識と経験を検証するためのCKAプログラムを提供しています。
Linux Foundation Certified Kubernetes Administrator（CKA）Program Examは、Kubernetesクラスタを管理する能力と知識を検証するプロフェッショナル認定資格です。Kubernetesは、コンテナ化されたアプリケーションの展開、スケーリング、管理を自動化するオープンソースのコンテナオーケストレーションプラットフォームです。コンテナ化された環境でのアプリケーションの展開と管理を簡素化するため、産業界で広く使用されています。CKA認定は、インフラストラクチャを管理するためにKubernetesの専門家を探している企業にとって高く求められる認定資格です。
質問 # 15
Print all pod name and all image name and write it to a file
name "/opt/pod-details.txt"
正解：
解説：
kubectl get pods -o=custom-columns='Pod Name:metadata.name','Image:spec.containers[*].image' > /opt/pod-details.txt
質問 # 16
List all persistent volumes sorted bycapacity, saving the fullkubectloutput to
/opt/KUCC00102/volume_list. Usekubectl 's own functionality forsorting the output, and do not manipulate it any further.
正解：
解説：
See the solution below.
Explanation
solution
質問 # 17
Allow traffic from all the pods in "web" namespace and from pods
with label "type=monitoring" to the pods matching label "app: db"
- A. kubectl create namespace web
kubectl label namespace/web app=web
vim web-allow-all-ns-monitoring.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: web-allow-all-ns-monitoring
namespace: default
spec:
podSelector:
podSelector:
matchLabels:
type: monitoring
k kubectl apply -f web-allow-all-ns-monitoring.yaml - B. kubectl create namespace web
kubectl label namespace/web app=web
vim web-allow-all-ns-monitoring.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: web-allow-all-ns-monitoring
namespace: default
spec:
podSelector:
matchLabels:
app: db
ingress:
- from:
- namespaceSelector:
matchLabels:
app: web
podSelector:
matchLabels:
type: monitoring
k kubectl apply -f web-allow-all-ns-monitoring.yaml
正解：B
質問 # 18
What file type upload is supported as part of the basic WildFire service?
- A. BAT
- B. PE
- C. ELF
- D. VBS
正解：B
質問 # 19
Clean the cluster by deleting deployment and hpa you just created
正解：
解説：
kubectl delete deploy webapp kubectl delete hpa webapp
質問 # 20
Scale the deployment webserver to
正解：
解説：
See the solution below.
Explanation
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\14 B.JPG
質問 # 21
Create a pod as follows:
* Name:mongo
* Using Image:mongo
* In anew Kubernetes namespacenamed:my-website
正解：
解説：
See the solution below.
Explanation
solution
質問 # 22
Schedule a pod as follows:
Name: nginx-kusc00101
Image: nginx
Node selector: disk=ssd
正解：
解説：
See the solution below.
Explanation
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\6 B.JPG
F:\Work\Data Entry Work\Data Entry\20200827\CKA\6 C.JPG
F:\Work\Data Entry Work\Data Entry\20200827\CKA\6 D.JPG
質問 # 23
Create a pod with image nginx called nginx and allow traffic on port 80
正解：
解説：
See the solution below.
Explanation
kubectlrun nginx --image=nginx --restart=Never --port=80
質問 # 24
From the pod label name=cpu-utilizer, find pods running high CPU workloads and write the name of the pod consuming most CPU to the file /opt/KUTR00102/KUTR00102.txt (which already exists).
正解：
解説：
See the solution below.
Explanation
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\16 B.JPG
F:\Work\Data Entry Work\Data Entry\20200827\CKA\16 C.JPG
質問 # 25
Create a pod as follows:
Name: mongo
Using Image: mongo
In a new Kubernetes namespace named: my-website
正解：
解説：
See the solution below.
Explanation
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\9 B.JPG
質問 # 26
Create a pod that echo "hello world" and then exists. Have the pod deleted automatically when it's completed
正解：
解説：
kubectl run busybox --image=busybox -it --rm --restart=Never -- /bin/sh -c 'echo hello world' kubectl get po # You shouldn't see pod with the name "busybox"
質問 # 27
Given a partially-functioning Kubernetes cluster, identify symptoms of failure on the cluster.
Determine the node, the failing service, and take actions to bring up the failed service and restore the health of the cluster. Ensure that any changes are made permanently.
You can ssh to the relevant I nodes (
[student@node-1] $ ssh <nodename
You can assume elevated privileges on any node in the cluster with the following command:
[student@nodename] $ | sudo -i
正解：
解説：
See the solution below.
Explanation
solution
F:\Work\Data Entry Work\Data Entry\20200827\CKA\23 C.JPG
F:\Work\Data Entry Work\Data Entry\20200827\CKA\23 D.JPG
F:\Work\Data Entry Work\Data Entry\20200827\CKA\23 E.JPG
質問 # 28
List all the pods sorted by name
正解：
解説：
See the solution below.
Explanation
kubectl get pods --sort-by=.metadata.name
質問 # 29
List "nginx-dev" and "nginx-prod" pod and delete those pods
正解：
解説：
kubect1 get pods -o wide
kubectl delete po "nginx-dev" kubectl delete po "nginx-prod"
質問 # 30
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.
正解：
解説：
See the solution below.
Explanation
solution
質問 # 31
Fix a node that shows as non-ready
- A. Kubectl get nodes
// Check which node shows a not ready
kubectl describe nodes "node-name"
// Login to the node which shows as not ready and check the
systemctl start kubelet / docker
// Verify
ps -auxxww | grep -i "process-name"
kubectl get nodes - B. Kubectl get nodes
// Check which node shows a not ready
kubectl describe nodes "node-name"
// Login to the node which shows as not ready and check the
process for kubelet, docker , kube-proxy.
// systemctl status kubelet (or) ps -aux | grep -i "processname"
// If the process is not started, then start using
systemctl start kubelet / docker
// Verify
ps -auxxww | grep -i "process-name"
kubectl get nodes
正解：B
質問 # 32
Check to see how many worker nodes are ready (not including nodes taintedNoSchedule) and write the number to/opt/KUCC00104/kucc00104.txt.
正解：
解説：
See the solution below.
Explanation
solution
質問 # 33
Create the service as type NodePort with the port 32767 for the nginx pod with the pod selector app: my-nginx
正解：
解説：
kubectl run nginx --image=nginx --restart=Never -- labels=app=nginx --port=80 --dry-run -o yaml > nginx-pod.yaml
質問 # 34
Create a Kubernetes secret as follows:
Name: super-secret
password: bob
Create a pod named pod-secrets-via-file, using the redis Image, which mounts a secret named super-secret at /secrets.
Create a second pod named pod-secrets-via-env, using the redis Image, which exports password as CONFIDENTIAL
正解：
解説：
solution
質問 # 35
Delete persistent volume and persistent volume claim
正解：
解説：
kubectl delete pvc task-pv-claim kubectl delete pv task-pv-volume // Verify Kubectl get pv,pvc
質問 # 36
Check the rollout history and make sure everything is ok after the update
- A. kubectl rollout history deploy webapp
kubectl get deploy webapp --show-labels
kubectl get rs -l app=webapp
kubectl get po -l app=webapp - B. kubectl rollout history deploy webapp
kubectl get deploy webapp --show-labels
kubectl get rs -
kubectl get po -l app=webapp
正解：A
質問 # 37
Score: 4%
Task
Scale the deployment presentation to 6 pods.
正解：
解説：
Solution:
kubectl get deployment
kubectl scale deployment.apps/presentation --replicas=6
質問 # 38
Score: 7%
Task
Given an existing Kubernetes cluster running version 1.20.0, upgrade all of the Kubernetes control plane and node components on the master node only to version 1.20.1.
Be sure to drain the master node before upgrading it and uncordon it after the upgrade.
You are also expected to upgrade kubelet and kubectl on the master node.
正解：
解説：
SOLUTION:
[student@node-1] > ssh ek8s
kubectl cordon k8s-master
kubectl drain k8s-master --delete-local-data --ignore-daemonsets --force apt-get install kubeadm=1.20.1-00 kubelet=1.20.1-00 kubectl=1.20.1-00 --disableexcludes=kubernetes kubeadm upgrade apply 1.20.1 --etcd-upgrade=false systemctl daemon-reload systemctl restart kubelet kubectl uncordon k8s-master
質問 # 39
......
有効な問題最新版を試そうCKAテスト解釈CKA有効な試験ガイド：https://jp.fast2test.com/CKA-premium-file.html
CKA試験資料Linux Foundation学習ガイド：https://drive.google.com/open?id=1RvDZG4jdQlvfTKLS3XkRqfreTJhliFv1