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Certified Kubernetes Administrator test Dumps

CKA test Format | Course Contents | Course Outline | test Syllabus | test Objectives

Exam Specification: CKA Certified Kubernetes Administrator

Exam Name: CKA Certified Kubernetes Administrator
Exam Code: CKA
Exam Duration: 2 hours
Passing Score: 74%
Exam Format: Performance-based tasks using a command-line interface
Exam Delivery: Online proctored exam

Course Outline:

1. Introduction to Kubernetes
- Overview of Kubernetes and its role in container orchestration
- Understanding the key components and architecture of Kubernetes
- Exploring the benefits of using Kubernetes for containerized applications

2. Cluster Architecture and Setup
- Installing and configuring Kubernetes clusters
- Understanding the different cluster components (API server, etcd, controller manager, etc.)
- Configuring networking and storage for Kubernetes clusters

3. Application Lifecycle Management
- Deploying applications using Kubernetes manifests and YAML files
- Managing application updates and rollbacks
- Scaling and autoscaling applications in Kubernetes

4. Cluster Maintenance and Troubleshooting
- Performing cluster maintenance tasks (upgrades, node maintenance, etc.)
- Monitoring and troubleshooting Kubernetes clusters
- Implementing best practices for cluster health and performance

5. Security and RBAC
- Configuring authentication and authorization in Kubernetes
- Implementing Role-Based Access Control (RBAC) for cluster resources
- Securing cluster communication and container workloads

6. Storage and Networking
- Configuring persistent storage for applications in Kubernetes
- Implementing networking solutions for cluster communication
- Managing network policies and ingress/egress traffic

Exam Objectives:

1. Understand the architecture and components of Kubernetes.
2. Install and configure Kubernetes clusters.
3. Deploy and manage applications using Kubernetes manifests and YAML files.
4. Perform cluster maintenance tasks and troubleshoot common issues.
5. Configure security measures and RBAC in Kubernetes.
6. Implement storage and networking solutions in Kubernetes.

Exam Syllabus:

Section 1: Introduction to Kubernetes (10%)
- Overview of Kubernetes and its role in container orchestration
- Key components and architecture of Kubernetes
- Benefits of using Kubernetes for containerized applications

Section 2: Cluster Architecture and Setup (20%)
- Installation and configuration of Kubernetes clusters
- Cluster components and their roles (API server, etcd, controller manager, etc.)
- Networking and storage configuration for Kubernetes clusters

Section 3: Application Lifecycle Management (25%)
- Deployment of applications using Kubernetes manifests and YAML files
- Application updates and rollbacks
- Scaling and autoscaling of applications in Kubernetes

Section 4: Cluster Maintenance and Troubleshooting (20%)
- Cluster maintenance tasks (upgrades, node maintenance, etc.)
- Monitoring and troubleshooting Kubernetes clusters
- Best practices for cluster health and performance

Section 5: Security and RBAC (15%)
- Authentication and authorization configuration in Kubernetes
- Role-Based Access Control (RBAC) implementation for cluster resources
- Security measures for cluster communication and container workloads

Section 6: Storage and Networking (10%)
- Configuration of persistent storage for applications in Kubernetes
- Networking solutions for cluster communication
- Network policies and ingress/egress traffic management

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CKA PDF sample Questions

CKA sample Questions

CNCF
CKA
Certified Kubernetes Administrator
https://killexams.com/pass4sure/exam-detail/CKA
Question: 11
CORRECT TEXT
Create and configure the service front-end-service so its accessiblethrough NodePort and routes to the existing pod
named front-end.
Answer: solution
Question: 12
CORRECT TEXT
Ensure a single instance of pod nginx is running on each node of the Kubernetes cluster where nginx also represents
the Image name which has to be used. Do not
override any taints currently in place.
Use DaemonSet to complete this task and use ds-kusc00201 as DaemonSet name.
Answer: solution
Question: 13
CORRECT TEXT
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).
Answer: solution
Question: 14
CORRECT TEXT
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
Once the spec file has been updated with the init container definition, the pod should be created
Answer: solution
Question: 15
CORRECT TEXT
Create a file:
/opt/KUCC00302/kucc00302.txt that lists all pods that implement service baz in namespace development.
The format of the file should be one pod name per line.
Answer: solution
Question: 16
CORRECT TEXT
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: solution
Question: 17
CORRECT TEXT
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
Answer: solution
Question: 18
CORRECT TEXT
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.
Answer: SOLUTION:
[[email protected]] > 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
Question: 19
CORRECT TEXT
A Kubernetes worker node, named wk8s-node-0 is in state NotReady. Investigate why this is the case, and perform
any appropriate steps to bring the node to a Ready state, ensuring that any changes are made permanent.
You can ssh to the failed node using:
[[email protected]] $ | ssh Wk8s-node-0
You can assume elevated privileges on the node with the following command:
[[email protected]] $ | sudo Ci
Answer: solution
Question: 20
CORRECT TEXT
Create a pod as follows:
Name: non-persistent-redis
container Image: redis
Volume with name: cache-control
Mount path: /data/redis
The pod should launch in the staging namespace and the volume must not be persistent.
Answer: solution
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