Final answer:
The term used to describe the printable, one-time use codes is "backup codes".
Step-by-step explanation:
Computers and Technology
The term used to describe the printable, one-time use codes for NetID+ authentication is called "backup codes". These codes are generated by the user and can be used as an alternative authentication method when the primary authentication device is not available or when additional fees for calls and texts may apply. Backup codes are useful when traveling or in situations where access to the primary authentication device is limited.