Certified Kubernetes Application Developer (CKAD) Practice Test 2025 - Free CKAD Practice Questions and Comprehensive Study Guide

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What does the term ‘Pod Disruption Budget’ mean?

A budget for deploying new pods

A minimum number of replicas available during disruptions

The term 'Pod Disruption Budget' refers specifically to a policy that defines the minimum number of replicas of a Pod that must be available during voluntary disruptions. This can include actions like node maintenance or updates, where Pods might be temporarily unavailable. By setting a Pod Disruption Budget, you ensure that your application maintains a specified level of availability even during these disruptions, helping to avoid downtime and maintain service reliability.

This is a critical concept in Kubernetes as it aids in managing applications that require a certain number of active Pods to function correctly while still allowing for necessary maintenance tasks. The other options do not capture the essence of what a Pod Disruption Budget is designed to achieve, as they focus on deployment logistics, resource allocation, or maintenance scenarios that do not specifically pertain to the availability of Pods during disruptions.

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A cost estimate for resource allocation

A forecast of budget requirements for maintenance

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