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07. Networking 01. Explore Environment 02. CNI weave 03. Deploy Network Solution 04. Networking Weave 05. Service Networking 06. CoreDNS in Kubernetes 07. CKA – Ingress Networking – 1 08. CKA – Ingress Networking – 2 01. Inspect the kubelet service and identify the network plugin configured for Kubernetes. ask : CNI Run the command: ps -aux | grep kubelet and look at the configured --network-plu..

LABS – CERTIFIED KUBERNETES ADMINISTRATOR WITH PRACTICE TESTS > NETWORKING 08. Networking 01. Explore Environment 02. CNI weave 03. Deploy Network Solution 04. Networking Weave 05. Service Networking 06. CoreDNS in Kubernetes 07. CKA – Ingress Networking – 1 08. CKA – Ingress Networking – 2 01. How many nodes are part of this cluster? Including the master and worker nodes. ask : 2 root@controlpl..

06.Security 1) View Certificate Details 2) Certificates API 3) KubeConfig 4) Role Based Access Controls 5) Cluster Roles 6) Service Accounts 7) Image Security 8) Security Contexts 9) Network Policies 01. How many network policies do you see in the environment? We have deployed few web applications, services and network policies. Inspect the environment. ask : 1 root@controlplane:~# k get network..

06.Security 1) View Certificate Details 2) Certificates API 3) KubeConfig 4) Role Based Access Controls 5) Cluster Roles 6) Service Accounts 7) Image Security 8) Security Contexts 9) Network Policies 01. What is the user used to execute the sleep process within the ubuntu-sleeper pod? ubuntu-sleeper 포드 내에서 절전 프로세스를 실행하는 데 사용되는 사용자는 무엇입니까? In the current(default) namespace. 1) root 2) user1 3) us..

06.Security 1) View Certificate Details 2) Certificates API 3) KubeConfig 4) Role Based Access Controls 5) Cluster Roles 6) Service Accounts 7) Image Security 8) Security Contexts 9) Network Policies 01. What is the secret type we choose for the docker registry? 1) tls 2) docker-registry 3) generic 4) registry kubectl create secret --help root@controlplane:/.kube# kubectl create secret --help Cr..

06.Security 1) View Certificate Details 2) Certificates API 3) KubeConfig 4) Role Based Access Controls 5) Cluster Roles 6) Service Accounts 7) Image Security 8) Security Contexts 9) Network Policies 01. How many Service Accounts exist in the default namespace? ask : 1 root@controlplane:/# k get serviceaccount NAME SECRETS AGE default 1 23m 02. What is the secret token used by the default servic..

Security 1) View Certificate Details 2) Certificates API 3) KubeConfig 4) Role Based Access Controls 5) Cluster Roles 6) Service Accounts 7) Image Security 8) Security Contexts 9) Network Policies 01. How many ClusterRole exist on the cluster? 02. How many ClusterRoleBindings exist on the cluster? ask : 54 Run the command: kubectl get clusterrolebindings --no-headers | wc -l or kubectl get clust..

LABS – CERTIFIED KUBERNETES ADMINISTRATOR WITH PRACTICE TESTS > TROUBLESHOOTING Troubleshooting 01. Application Failure 02. Control Plane Failure 03. Worker Node Failure 04. Troubleshoot Network Troubleshooting Test 1: A simple 2 tier application is deployed in the alpha namespace. 간단한 2계층 애플리케이션이 알파 네임스페이스에 배포됩니다. It must display a green web page on success. 성공 시 녹색 웹 페이지를 표시해야 합니다. Click on th..

볼륨 (Volume) - 컨테이너가 외부 스토리지에 액세스하고 공유하는 방법 - 포드의 각 컨테이너에는 고유의 분리된 파일 시스템 존재 - 볼륨은 Pod (포드) 의 컴포넌트이며 포드의 스펙에 의해 정의 - 독립적인 쿠버네티스 오브젝트가 아니며 스스로 생성, 삭제 불가 - 각 컨테이너의 파일 시스템의 볼륨을 마운트 하여 생성 볼륨의 종류 임시 볼륨 로컬 볼륨 네트워크 볼륨 네트워크 볼륨 (클라우드 종속적) emptyDir hostPath local ISCSI NFS cephFS glusterFS gcePersistentDisk awsEBS azureFile 주요 사용 가능한 볼륨의 유형 - emptyDir : 일시적인 데이터 저장, 비어 있는 디렉터리 - hostPath : pod 에 호스트 노드의 파일..

Security 1) View Certificate Details 2) Certificates API 3) KubeConfig 4) Role Based Access Controls 5) Cluster Roles 6) Service Accounts 7) Image Security 8) Security Contexts 9) Network Policies 01. Inspect the environment and identify the authorization modes configured on the cluster. Check the kube-apiserver settings. Use the command kubectl describe pod kube-apiserver-controlplane -n kube-s..