Final answer:
The term CN refers to the Common Name in a digital certificate, which relates to the domain name or system being protected. (Option 1)
Step-by-step explanation:
In the context of digital certificates, the Common Name (CN) field is used to specify the name associated with the device or entity to which the certificate is issued. The CN is a crucial component of the certificate and helps in identifying the entity for which the certificate is intended. Digital certificates are cryptographic tools that bind an entity's identity to a public key, providing a secure means of communication and authentication on the Internet. The CN field plays a key role in ensuring that the certificate is associated with the correct device or individual.
By referencing the Common Name (CN) in a digital certificate, one can accurately determine the device or entity that the certificate is designed to protect. This enhances the security and reliability of digital communication by establishing a trusted connection between the certificate holder and the associated public key.