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Free CKA: Certified Kubernetes Administrator Exam Questions and Answers
Last updated: April 30, 2025
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910-CKA: Certified Kubernetes Administrator
#Question
What role does the Kubernetes API Server play in a cluster?
A.
Schedules pods
B.
Central point for API communication to control the cluster
C.
Manages storage resources
D.
Manages stateful workloads
Correct Answer:
B
The Kubernetes API Server acts as the central communication hub for managing and controlling the state of a Kubernetes cluster by providing API endpoints.
#Question
How can you monitor resource usage across the nodes in your Kubernetes cluster?
A.
kubectl get pods
B.
kubectl top nodes
C.
kubectl describe nodes
D.
kubectl check resource status
Correct Answer:
B
The command kubectl top nodes provides a readout of resource consumption on each node, facilitating monitoring of cluster resource usage.
#Question
What command do you use to delete a specific deployment in Kubernetes?
A.
kubectl delete deployment
B.
kubectl erase deployment
C.
kubectl remove deployment
D.
kubectl terminate deployment
Correct Answer:
A
The command kubectl delete deployment is used to remove a specific deployment and all associated resources in Kubernetes.
#Question
When you want updates to your application image to happen automatically, what configuration should you apply?
A.
Set imagePullPolicy
B.
Create a Deployment
C.
Use StatefulSet
D.
Use a ConfigMap
Correct Answer:
A
Setting imagePullPolicy: Always in the Deployment configuration will ensure the latest image is pulled whenever a new pod is scheduled.
#Question
What Kubernetes feature ensures that a pod does not get scheduled on a node with high resource usage?
A.
Anti-affinity rules
B.
Node Selector
C.
Resource Allocation
D.
Taints
Correct Answer:
D
Taints are used to mark nodes in a way that applies restrictions on which pods can be scheduled on that node based on resource availability.
#Question
To optimize for efficiency in storage, which volume type should you use for hosting temporary data?
A.
EmptyDir
B.
ConfigMap
C.
PersistentVolume
D.
HostPath
Correct Answer:
A
An EmptyDir volume is ideal for temporary storage needs that don't persist after the pod lifecycle ends, providing a clean slate for each pod start.
#Question
What could be a reason for a Pod being in a "CrashLoopBackOff" state?
A.
Images not found
B.
C.
Resource limits exceeded
D.
Incorrect command
910-CKA: Certified Kubernetes Administrator
#Question
What role does the Kubernetes API Server play in a cluster?
A.
Schedules pods
B.
Central point for API communication to control the cluster
C.
Manages storage resources
D.
Manages stateful workloads
Correct Answer:
B
The Kubernetes API Server acts as the central communication hub for managing and controlling the state of a Kubernetes cluster by providing API endpoints.
#Question
How can you monitor resource usage across the nodes in your Kubernetes cluster?
A.
kubectl get pods
B.
kubectl top nodes
C.
kubectl describe nodes
D.
kubectl check resource status
Correct Answer:
B
The command kubectl top nodes provides a readout of resource consumption on each node, facilitating monitoring of cluster resource usage.
#Question
What command do you use to delete a specific deployment in Kubernetes?
A.
kubectl delete deployment
B.
kubectl erase deployment
C.
kubectl remove deployment
D.
kubectl terminate deployment
Correct Answer:
A
The command kubectl delete deployment is used to remove a specific deployment and all associated resources in Kubernetes.
#Question
When you want updates to your application image to happen automatically, what configuration should you apply?
A.
Set imagePullPolicy
B.
Create a Deployment
C.
Use StatefulSet
D.
Use a ConfigMap
Correct Answer:
A
Setting imagePullPolicy: Always in the Deployment configuration will ensure the latest image is pulled whenever a new pod is scheduled.
#Question
What Kubernetes feature ensures that a pod does not get scheduled on a node with high resource usage?
A.
Anti-affinity rules
B.
Node Selector
C.
Resource Allocation
D.
Taints
Correct Answer:
D
Taints are used to mark nodes in a way that applies restrictions on which pods can be scheduled on that node based on resource availability.
#Question
To optimize for efficiency in storage, which volume type should you use for hosting temporary data?
A.
EmptyDir
B.
ConfigMap
C.
PersistentVolume
D.
HostPath
Correct Answer:
A
An EmptyDir volume is ideal for temporary storage needs that don't persist after the pod lifecycle ends, providing a clean slate for each pod start.
#Question
What could be a reason for a Pod being in a "CrashLoopBackOff" state?
A.
Images not found
B.
C.
Resource limits exceeded
D.
Incorrect command
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FAQ
Q1: What are CNCF Certification Exams? A: CNCF (Cloud Native Computing Foundation) Certification Exams validate your expertise in cloud-native technologies, including Kubernetes, Prometheus, and other cloud-native tools. These certifications demonstrate your proficiency in deploying, managing, and troubleshooting cloud-native applications and infrastructures.
Q2: Why should I pursue CNCF Certification? A: CNCF Certification enhances your professional credibility, showcasing your skills and knowledge in cloud-native technologies. This can lead to better job opportunities, higher salaries, and career advancement in the cloud computing and IT industries.
Q3: What are the benefits of CNCF Certification? A: Benefits include recognition as a certified cloud-native professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest cloud-native technologies and best practices.
Q4: Who should take CNCF Certification Exams? A: Cloud engineers, DevOps professionals, system administrators, IT architects, and anyone involved in managing cloud-native environments should consider these certifications to validate their expertise and advance their careers.
Q5: What types of CNCF Certification Exams are available? A: CNCF offers various certification paths, including:
- Certified Kubernetes Administrator (CKA)
- Certified Kubernetes Application Developer (CKAD)
- Certified Kubernetes Security Specialist (CKS)
Each certification path is tailored to different roles and expertise levels within the cloud-native ecosystem.
Q6: How do I prepare for CNCF Certification Exams? A: Preparation can include official CNCF training courses, study guides, practice exams, online tutorials, and hands-on experience with cloud-native technologies like Kubernetes.
Q7: Where can I take CNCF Certification Exams? A: CNCF Certification Exams can be taken online with remote proctoring, providing flexibility to fit your schedule and location.
Q8: How do CNCF Certifications impact my career? A: CNCF Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in cloud computing and IT.
Q9: Are there any prerequisites for CNCF Certification Exams? A: Some exams may have prerequisites, such as foundational knowledge or prior experience with cloud-native technologies. Check the specific requirements for each certification path on the CNCF website.
Q10: How often do I need to recertify for CNCF Certifications? A: CNCF Certifications typically require recertification every three years to ensure certified professionals stay updated with the latest cloud-native technologies and industry practices.
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