Kubernetes Core Concepts KCNA Practice Questions (Page 10)

Questions 46–50

1. 46foundation · easy

   What is the purpose of a Deployment in Kubernetes?

   • ATo schedule batch jobs
   • BTo manage declarative updates and scaling of applications
   • CTo provide a stable IP address for Pods
   • DTo store sensitive information like passwords
   Reveal Solution Discussion Select an answer first
2. 47application · medium

   A team wants to package their Kubernetes application, including Deployments, Services, ConfigMaps, and Secrets, into a reusable bundle that can be deployed with different configuration values for different environments (e.g., dev, staging, prod). Which tool should they use?

   • AKubeadm
   • BKustomize
   • CHelm
   • Dkubectl apply
   Reveal Solution Discussion Select an answer first
4. 48foundation · easy

   What is the main purpose of a Kubernetes Service?

   • ATo manage rolling updates of Pods
   • BTo store configuration data for applications
   • CTo schedule Pods on specific nodes
   • DTo provide a stable network endpoint and load balancing for a set of Pods
   Reveal Solution Discussion Select an answer first
5. 49foundation · easy

   What is the purpose of a PersistentVolume (PV)?

   • ATo store configuration data for applications
   • BTo provide a cluster-wide storage resource that exists independently of any Pod
   • CTo provide a stable IP address for Pods
   • DTo manage network policies
   Reveal Solution Discussion Select an answer first
6. 50foundation · easy

   What is the difference between a readiness probe and a liveness probe?

   • AReadiness probes restart containers, while liveness probes remove them.
   • BThey are the same and can be used interchangeably.
   • CReadiness probes check startup, while liveness probes check readiness.
   • DReadiness probes control whether a Pod receives traffic, while liveness probes control restarts.
   Reveal Solution Discussion Select an answer first