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| Certification Vendor: | Linux Foundation / Cloud Native Computing Foundation (CNCF) |
|---|---|
| Exam Name: | Certified Kubernetes Administrator (CKA) Program Exam |
| Exam Number: | CKA |
| Exam Format: | Hands-on in real Kubernetes environment, Performance-based, Command-line tasks, Online proctored |
| Related Certifications: | Certified Kubernetes Application Developer (CKAD) Certified Kubernetes Security Specialist (CKS) |
| Exam Duration: | 120 minutes |
| Exam Price: | $445 USD |
| Real Exam Qty: | 15-20 performance-based tasks |
| Certificate Validity Period: | 2 years |
| Passing Score: | 66% |
| Available Languages: | English, Simplified Chinese, Japanese |
| Recommended Training: | LFS258: Kubernetes Fundamentals Introduction to Kubernetes (Free Course) |
| Exam Registration: | Linux Foundation Training Portal |
| Sample Questions: | Linux Foundation CKA Sample Questions |
| Exam Way: | Online, remotely proctored via PSI; browser-based terminal environment |
| Pre Condition: | No formal prerequisites; basic Linux and Kubernetes knowledge recommended |
| Official Syllabus URL: | https://training.linuxfoundation.org/certification/certified-kubernetes-administrator-cka/ |
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Linux Foundation Certified Kubernetes Administrator (CKA) program is an industry-recognized certification that validates the skills and expertise of professionals in managing and deploying Kubernetes clusters. Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications. As Kubernetes adoption continues to grow, the demand for certified professionals with the necessary skills and knowledge to manage Kubernetes clusters has also increased.
The CKA Exam is highly rigorous and requires extensive preparation. Candidates must have a deep understanding of Kubernetes architecture, networking, storage, security, and troubleshooting. CKA exam also tests the candidate's ability to work with different Kubernetes tools such as kubectl, kubeadm, etcd, and kubelet.
NEW QUESTION # 46
You have an application deployed in your Kubernetes cluster that is configured to access a private database hosted on another Kubernetes cluster in a different VPC. How would you configure a secure and efficient way for your application to communicate with the private database?
Answer:
Explanation:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1 . Create a Service Account in the Database Cluster:
- Create a Service Account in the database cluster that will be used by the application in the other cluster.
- Example:
- Apply this configuration using 'kubectl apply -f service-account.yaml' in the database cluster. 2. Generate a Secret for the Service Account: - Generate a secret for the Service Account. This secret will contain the credentials needed to access the database. - Example: bash kubectl create secret generic database-client-secret --from-literal=username= -n - Replace and with your actual credentials and " with the namespace where your database service is running. 3. Configure a Network Policy: - Create a Network Policy in the database cluster to allow traffic from your application's pods in the other cluster. - Example:
- Replace with the label assigned to your application pods. 4. Create a Service in the Database Cluster: - Create a Service in the database cluster that exposes your database. This service will be used by your application to connect to the database. - Example:
- Replace 'database' with the label of your database pods. 6. Configure the Application Deployment: - In your application's deployment configuration, mount the secret containing the database credentials and configure your application to connect to the database service in the other cluster using the service's DNS name. - Example:
- Ensure that the application has the necessary network connectivity to access the database cluster through your network configuration. - Example: - Configure a VPC peering connection between the two VPCs to enable direct communication between the clusters. - Create a VPN connection between the clusters using a VPN gateway. 7. Test the Connection: - Verify that your application can successfully connect to and interact with the database.
NEW QUESTION # 47
Get the number of schedulable nodes and write to a file
/opt/schedulable-nodes.txt
Answer: B
NEW QUESTION # 48
List all the pods showing name and namespace with a json path expression See the solution below.
Answer:
Explanation:
kubectl get pods -o=jsonpath="{.items[*]['metadata.name',
'metadata.namespace']}"
NEW QUESTION # 49
Make the node schedulable by uncordon the node
Answer:
Explanation:
kubectl uncordon node-1 //verify kubectl get no
NEW QUESTION # 50
Task Weight: 4%
Task
Schedule a Pod as follows:
* Name: kucc1
* App Containers: 2
* Container Name/Images:
o nginx
o consul
Answer:
Explanation:
Solution:
NEW QUESTION # 51
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