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KCNA · Question #23

KCNA Question #23: Real Exam Question with Answer & Explanation

The correct answer is B: Labels. Labels are the primary mechanism in Kubernetes for attaching identifying metadata to objects, enabling their grouping and selection.

Submitted by akirajp· May 4, 2026Kubernetes Fundamentals

Question

What is the primary mechanism to identify grouped objects in a Kubernetes cluster?

Options

  • ACustom Resources
  • BLabels
  • CLabel Selector
  • DPod

Explanation

Labels are the primary mechanism in Kubernetes for attaching identifying metadata to objects, enabling their grouping and selection.

Common mistakes.

  • A. Custom Resources extend the Kubernetes API with new object types but are not the primary mechanism for grouping existing objects.
  • C. A Label Selector is used to query and filter objects based on their labels, rather than being the mechanism that identifies grouped objects itself.
  • D. A Pod is a specific type of Kubernetes object, representing a single instance of a running application, not a mechanism for grouping multiple objects.

Concept tested. Kubernetes Labels and Object Grouping

Reference. https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/

Topics

#Kubernetes Labels#Object Identification#Grouping Objects

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