Final answer:
Single sign-on (SSO) allows users to access multiple applications or systems with a single set of login credentials, making the authentication process more efficient.
Step-by-step explanation:
In the context of computer networks and security, single sign-on (SSO) refers to a method where users can access multiple applications or systems with just one set of login credentials. When users are attached to the corporate network, SSO can be implemented to streamline the authentication process.