Linux Foundation KCNA Online Practice Questions and Exam Preparation

Linux Foundation KCNA Online Questions & Answers

• Question 61:

  What is horizontal scaling?

  A. Creating a Deployment
  B. Adding resources to existing apps and servers
  C. Moving workloads from one server to another
  D. Adding additional replicas of apps and servers
  D. Adding additional replicas of apps and servers

• Question 62:

  Which of the following is used to request storage in Kubernetes?

  A. PersistentVolume 'PV'
  B. PersistentVolumeClaim 'PVC'
  C. Container Storage Interface 'CSI'
  D. StorageClasses
  B. PersistentVolumeClaim 'PVC'

• Question 63:

  Which is NOT a use case for the Kubernetes dashboard?

  A. Troubleshooting any issues with applications
  B. Managing running applications
  C. Installing new Kubernetes cluster
  D. Managing the entire Kubernetes cluster
  C. Installing new Kubernetes cluster

• Question 64:

  Which of the following are characteristics of Statefulsets?

  A. Ordered, graceful deployment and scaling
  B. Creates replica sets
  C. Uses headless services
  A. Ordered, graceful deployment and scaling

• Question 65:

  What is a benefits of Kubernetes federation?

  A. Avoids scalability limits on pods and nodes
  B. Creates highly available clusters in different regions
  C. Low latency
  A. Avoids scalability limits on pods and nodes
  B. Creates highly available clusters in different regions
  C. Low latency

• Question 66:

  Which kubernetes object do deployments use behind the scenes when they need to scale pods?

  A. POD
  B. Deployment
  C. Horizontal pod autoscaler
  D. Api Scheduler
  E. Replicasets
  E. Replicasets

• Question 67:

  Which of the following is not the required field to describe Kubernetes objects?

  A. metadata
  B. apiVersion
  C. Kind
  D. Container
  E. spec
  D. Container

• Question 68:

  Which project in this list is a leading project in the observability space?

  A. Jaeger
  B. Vitess
  C. Argo
  D. Kubernetes
  A. Jaeger

• Question 69:

  Notary and the update framework leading security projects in CNCF

  A. TRUE
  B. FALSE
  A. TRUE

• Question 70:

  There are three Nodes in a cluster, and want to run exactly one replica of a Pod on each Node. Pre-fer to automatically create a replica on any new Nodes when they are added. Which Kubernetes re-source should you use?

  A. DaemonSet
  B. ReplicaSet
  C. NodeSet
  D. StatefulSet
  E. Deployment
  A. DaemonSet