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

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

- A. To specify the common name (CN) in the certificate subject
- B. To specify a name that is common to all certificates
- C. To specify the name of the certificate authority
- D. To specify a shared name for clustered certificates

**Answer:** To specify the common name (CN) in the certificate subject

**Explanation:** The 'commonName' field in a Certificate resource specifies the common name (CN) that will be set in the subject of the issued certificate. This is typically a domain name for web server certificates.