# Which of the following is NOT a valid status condition for a Certificate resource?

cert-manager, Medium (Advanced), Concepts. https://k8wiz.com/uquiz/which-of-the-following-is-not-a-valid-status-condition-for-a-certificate-resource

- A. Ready
- B. Issuing
- C. Failed
- D. Expired

**Answer:** Failed

**Explanation:** Failed is not a valid status condition for a Certificate resource. The valid status conditions include Ready (certificate is ready for use), Issuing (certificate is being issued), and NotReady (certificate is not ready for use). Expired is not a standard condition but can be inferred from other status information.