Bird
0
0

You applied a CRD but your custom resource instances are not recognized. Which of these is a likely cause?

medium📝 Troubleshoot Q6 of 15
Kubernetes - Operators and Custom Resources
You applied a CRD but your custom resource instances are not recognized. Which of these is a likely cause?
AThe cluster has no nodes
BThe CRD's spec.names.plural field is missing or incorrect
CThe CRD's metadata.name is too long
DThe custom resource kind is not capitalized
Step-by-Step Solution
Solution:

  1. Step 1: Check spec.names.plural importance

    The plural name is required for Kubernetes to recognize resource instances.

  2. Step 2: Evaluate other options

    Cluster nodes or capitalization do not affect recognition; metadata.name length is not a common cause.

  3. Final Answer:

    The CRD's spec.names.plural field is missing or incorrect -> Option B

  4. Quick Check:

    Missing plural causes unrecognized resources [OK]
Quick Trick: Always define spec.names.plural in CRD [OK]
Common Mistakes:
  • Ignoring plural field
  • Blaming cluster nodes for CRD issues
  • Thinking kind capitalization breaks recognition

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More Kubernetes Quizzes
Monitoring and Logging - Centralized logging (EFK stack) - Quiz 7medium Operators and Custom Resources - Database operators example - Quiz 2easy Production Best Practices - Why production readiness matters - Quiz 1easy Production Best Practices - Pod Disruption Budgets - Quiz 10hard Production Best Practices - Multi-cluster management concept - Quiz 3easy Production Best Practices - High availability cluster setup - Quiz 4medium RBAC and Security - Pod security standards - Quiz 7medium Service Mesh - Traffic management with Istio - Quiz 13medium Service Mesh - Sidecar proxy concept (Envoy) - Quiz 8hard Service Mesh - Sidecar proxy concept (Envoy) - Quiz 3easy