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Practice questions

Note: Practice questions to help you prepare for the KCNA exam

🔹 1. What is the smallest unit in Kubernetes?
  1. Docker
  2. Deployment
  3. Image
  4. Pod
🔹 2. What does CNCF stand for?
  1. Cloud Native Container Foundation
  2. Cloud Native Computing Federation
  3. Cloud Native Computing Foundation
  4. Cloud Native Cloud Federation
🔹 3. What are the 4Cs of Cloud Native Security?
  1. Cluster, Cloud, Containers, Compute
  2. Compute, Cloud, Code, Containers
  3. Code, Container, Cluster, Cloud
  4. Code, Containers, Computer, Computing
🔹 4. What is the most common autoscaling method in the world of cloud-native?
  1. Horizontal Scaling
  2. Upward Scaling
  3. Vertical Scaling
  4. Downward Scaling
🔹 5. What does serverless computing not need?
  1. Cloud
  2. Servers
  3. The provisioning and operating infrastructure
  4. Code
🔹 6. Which of the following is not a fundamental metric used in Site Reliability Engineering?
  1. Service Level Objective (SLO)
  2. Service Level Indicator (SLI)
  3. Service Level Definition (SLD)
  4. Service Level Agreement (SLA)
🔹 7. The Kubernetes object "Stateful Set" requires which service for the network identity of Pods?
  1. ClusterIP
  2. NodePort
  3. LoadBalancer
  4. Headless Service
🔹 8. The Open Container Initiative (OCI) provides container standards for ?
  1. Runtime, Image, Distribution
  2. Image, Build, Distributions
  3. Container, Image, Build
  4. Container, image distribution
🔹 9. Which of the following Computing model doesn't require provisioning of infrastructure?
  1. EC2 Instances
  2. Infrastructure as Service
  3. Serverless
  4. Bare Metal Model
🔹 10. What are the main part of a Service Mesh?
  1. Master plane and worker node
  2. Kube-scheduler and controller manager
  3. Data plane and Control plane
  4. Discovery plane and date plane
🔹 11. Kubernetes was originally developed by who?
  1. Amazon
  2. Google
  3. Microsoft
  4. Facebook
🔹 12. What are the TWO types of Kubernetes nodes? Select TWO answers.
  1. Worker Node
  2. Internal Node
  3. Control Plane Node
  4. Data plane
🔹 13. What is the name of the agent that run on each Kubernetes worker node?
  1. etcd
  2. kube-API server
  3. kube-proxy
  4. kubelet
🔹 14. Which of the following is not part of the Control Plane in Kubernetes?
  1. etcd
  2. kube-API server
  3. kube scheduler
  4. kube-proxy
🔹 15. Which access control component of Kubernetes is responsible for authorisation and deciedes what a user is allowed to do?
  1. Config Maps
  2. Service Account
  3. Admission Controller
  4. Role-Based Access Control (RBAC)
🔹 16. Which of the following container runtime is marked as deprecated by Kubernetes?
  1. gVisor
  2. Docker
  3. containerd
  4. CRI-O
🔹 17. Which control plane component is responsible for scheduling pods?
  1. kubelet
  2. kube controller manager
  3. kube scheduler
  4. kube-proxy
🔹 18. Select TWO commands which can be used to LIST all pods in all namespaces.
  1. kubectl get pods
  2. kubectl get pods -n --all
  3. kubectl get pods -A
  4. kubectl get pods --all-namespaces
🔹 19. What is the command to list all the available objects in your Kuberenetes cluster ?
  1. kubectl list api-resources
  2. kubectl get apis
  3. kubectl get api-resources
  4. kubectl api-resources
🔹 20. Which of these is not a service type in Kubernetes?
  1. ClusterIP
  2. NodePort
  3. Ingress
  4. LoadBalancer
🔹 21. What language is used to specify and create a Kubernetes resource?
  1. JavaScript
  2. Python
  3. YAML
  4. JSON
🔹 22. Which of the following is not a required field to create a Kubernetes resource?
  1. kind
  2. apiVersion
  3. container
  4. metadata