CompTIA Network+ (N10-008) — Question 464

A user is required to log in to a main web application, which then grants the user access to all other programs needed to complete job-related tasks. Which of the following authentication methods does this setup describe?

Answer options

• A. SSO
• B. RADIUS
• C. TACACS+
• D. Multifactor authentication
• E. 802.1X

Correct answer: A

Explanation

The correct answer is A, SSO (Single Sign-On), as it enables users to authenticate once and gain access to multiple applications without needing to log in again. The other options, such as RADIUS and TACACS+, are protocols for remote authentication, while multifactor authentication adds extra security layers, and 802.1X is a network access control method.