[Solved] Identify the error in this PriorityClass YAML:apiVersion: scheduling.k8s.io/v1 kind: PriorityClass metadata: name: medium-priority spec: value: 5000 globalDefault: false description:... | Kubernetes

Kubernetes - Production Best Practices

Identify the error in this PriorityClass YAML:

apiVersion: scheduling.k8s.io/v1
kind: PriorityClass
metadata:
  name: medium-priority
spec:
  value: 5000
globalDefault: false
description: 'Medium priority class'

AglobalDefault must be true for all PriorityClasses

BValue must be a string, not an integer

Cmetadata name cannot contain hyphens

DPriorityClass should not have a spec section

Step-by-Step Solution

Solution:

Step 1: Check PriorityClass YAML structure
PriorityClass fields like value, globalDefault, and description are top-level, not under spec.
Step 2: Validate other options
Value must be integer, globalDefault can be true or false, and metadata names can have hyphens.
Final Answer:
PriorityClass should not have a spec section -> Option D
Quick Check:
No spec block in PriorityClass YAML [OK]

Quick Trick: PriorityClass fields are top-level, never inside spec [OK]

Common Mistakes:

Adding spec block in PriorityClass YAML
Using string for value instead of integer
Misunderstanding globalDefault usage

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Identify the error in this PriorityClass YAML:

Step 1: Check PriorityClass YAML structure

Step 2: Validate other options

Final Answer:

Quick Check:

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