# What is the purpose of the 'issuerRef' field in a Certificate resource?

cert-manager, Easy (Beginner), Concepts. https://k8wiz.com/uquiz/what-is-the-purpose-of-the-issuerref-field-in-a-certificate-resource

- A. To specify which issuer or cluster issuer should issue the certificate
- B. To reference the issuer's documentation
- C. To specify the issuer's public key
- D. To reference the issuer's certificate

**Answer:** To specify which issuer or cluster issuer should issue the certificate

**Explanation:** The 'issuerRef' field in a Certificate resource specifies which issuer or cluster issuer should issue the certificate. It includes the name of the issuer, the kind (Issuer or ClusterIssuer), and optionally the group.