Implementing and Configuring Cisco Identity Services Engine (SISE) — Question 252

Which device acts as an authenticator during the 802.1X authentication process?

Answer options

• A. RADIUS server
• B. Cisco switch
• C. LDAP server
• D. Cisco ISE PSN

Correct answer: B

Explanation

The Cisco switch acts as the authenticator in the 802.1X process by controlling access to the network and communicating with the authentication server. The RADIUS server and LDAP server are used for user verification but do not directly control the access point. Cisco ISE PSN is a policy server that may be used in conjunction with the switch but is not the authenticator itself.