Certified Kubernetes Administrator (CKA) Practice Test
Build your confidence for Certified Kubernetes Administrator (CKA). Practice the concepts, understand the answers, and strengthen your knowledge one question at a time.
Try a sample questionExam overview and details
The Certified Kubernetes Administrator (CKA) certification, offered by the Cloud Native Computing Foundation (CNCF) and the Linux Foundation, validates an individual's skills, knowledge, and competency in performing the responsibilities of a Kubernetes administrator. This performance-based, hands-on exam certifies that a candidate can proficiently perform core administration tasks on a live Kubernetes cluster, including installation, configuration, management, and troubleshooting. As the de facto standard for container orchestration, Kubernetes expertise is in high demand across industries, making the CKA a critical credential for IT professionals, DevOps engineers, and cloud architects. Earning the CKA demonstrates a proven ability to handle real-world operational challenges, manage cluster lifecycle, and ensure application reliability and scalability in production environments. It signifies not just theoretical understanding, but practical, job-ready skills that are immediately applicable in enterprise settings, significantly enhancing a professional's credibility and value in the cloud-native ecosystem.
Sample Questions
Choose an answer and explore the explanation to see how practice works.
A Secret is mounted as a volume and then the Secret data is updated. Which statement is most accurate for normal Secret volume projection?
A Service has no ready endpoints, but matching Pods are Running. describe pod shows readiness probe failing. Why is Service traffic not sent to them?
You are upgrading a kubeadm cluster from one minor version to the next. Which control-plane sequence is the safest high-level order?
You need kubectl commands in the current shell to target namespace logging without adding -n logging each time. Which command changes the current context namespace?
A Service should expose a cloud provider load balancer and forward to Pods selected by app=shop. Which Service type is appropriate?
Career Opportunities & Salary
Exam insights and study advice
The CKA certification is a powerful differentiator in the competitive cloud and DevOps job market. It provides industry-wide recognition from the CNCF, the governing body of Kubernetes, signaling to employers a validated, vendor-neutral proficiency that aligns with real-world operational requirements. Holding this certification directly correlates with career advancement, often leading to roles such as Senior DevOps Engineer, Cloud Platform Engineer, Site Reliability Engineer (SRE), and Kubernetes Architect. It demonstrates a commitment to professional development and mastery of a critical technology stack, increasing earning potential and establishing the holder as a subject matter expert capable of designing, building, and maintaining robust containerized infrastructure.
Recommended
These are the backgrounds the certifying body suggests. Check the vendor's own page for anything it formally requires.
Your Path Forward
What this exam covers
Use the published domain weights to plan your study. Practice results do not predict your certification exam score.
01Troubleshooting
Topics
- Troubleshoot clusters and nodes
- Troubleshoot cluster components
- Monitor cluster and application resource usage
- Manage and evaluate container output streams
- Troubleshoot services and networking
Learning objectives
- Troubleshoot clusters and nodes
- Troubleshoot cluster components
- Monitor cluster and application resource usage
- Manage and evaluate container output streams
- Troubleshoot services and networking
02Cluster Architecture, Installation & Configuration
Topics
- Manage role based access control (RBAC)
- Prepare underlying infrastructure for installing a Kubernetes cluster
- Create and manage Kubernetes clusters using kubeadm
- Manage the lifecycle of Kubernetes clusters
- Implement and configure a highly-available control plane
- Use Helm and Kustomize to install cluster components
- Understand extension interfaces (CNI, CSI, CRI, etc.)
- Understand CRDs, install and configure operators
Learning objectives
- Manage role based access control (RBAC)
- Prepare underlying infrastructure for installing a Kubernetes cluster
- Create and manage Kubernetes clusters using kubeadm
- Manage the lifecycle of Kubernetes clusters
- Implement and configure a highly-available control plane
- Use Helm and Kustomize to install cluster components
- Understand extension interfaces (CNI, CSI, CRI, etc.)
- Understand CRDs, install and configure operators
03Services & Networking
Topics
- Understand connectivity between Pods
- Define and enforce Network Policies
- Use ClusterIP, NodePort, LoadBalancer service types and endpoints
- Use the Gateway API to manage Ingress traffic
- Know how to use Ingress controllers and Ingress resources
- Understand and use CoreDNS
Learning objectives
- Understand connectivity between Pods
- Define and enforce Network Policies
- Use ClusterIP, NodePort, LoadBalancer service types and endpoints
- Use the Gateway API to manage Ingress traffic
- Know how to use Ingress controllers and Ingress resources
- Understand and use CoreDNS
04Workloads & Scheduling
Topics
- Understand application deployments and how to perform rolling update and rollbacks
- Use ConfigMaps and Secrets to configure applications
- Configure workload autoscaling
- Understand the primitives used to create robust, self-healing, application deployments
- Configure Pod admission and scheduling (limits, node affinity, etc.)
Learning objectives
- Understand application deployments and how to perform rolling update and rollbacks
- Use ConfigMaps and Secrets to configure applications
- Configure workload autoscaling
- Understand the primitives used to create robust, self-healing, application deployments
- Configure Pod admission and scheduling (limits, node affinity, etc.)
05Storage
Topics
- Implement storage classes and dynamic volume provisioning
- Configure volume types, access modes and reclaim policies
- Manage persistent volumes and persistent volume claims
Learning objectives
- Implement storage classes and dynamic volume provisioning
- Configure volume types, access modes and reclaim policies
- Manage persistent volumes and persistent volume claims