CompTIA Network+ (N10-007) — Question 500

A new employee is learning how to use multiple company applications. Upon logging in to one application, the employee notices the other applications do not require authentication. Which of the following explains the reason why this is happening?

Answer options

• A. Kerberos is being used to authenticate.
• B. The employee logged in to a captive portal.
• C. Single sign-on is being used.
• D. Local authentication was performed.

Correct answer: C

Explanation

The correct answer is C, as Single sign-on (SSO) allows users to log in once and gain access to multiple applications without needing to log in again. Option A, Kerberos, is a specific authentication protocol but does not inherently imply SSO. Option B, a captive portal, typically requires users to log in only once, but is not the same as SSO. Option D, local authentication, suggests that the applications require separate logins, which contradicts the scenario described.