Implementing Cisco Secure Access Solutions (SISAS, legacy) — Question 54

Which packets are allowed on a dot1x port with no authentication open before the port goes to an authorized state?

Answer options

• A. CDP, EAPOL, STP
• B. CDP, DHCP, DNS
• C. DHCP, EAPOL, HTTP
• D. CDP, EAPOL, HTTP

Correct answer: C

Explanation

The correct answer is C because DHCP and EAPOL are necessary for network access and authentication processes. Options A and D include CDP, which is not required for authentication, and option B includes DNS, which is not permitted on an unauthenticated dot1x port.