JNCIP-ENT: Juniper Networks Certified Professional – Enterprise Routing (2024) — Question 17

You are asked to establish interface level authentication for users connecting to your network. You must ensure that only corporate devices, identified by MAC addresses, are allowed to connect and authenticate. Authentication must be handled by a centralized server to increase scalability.
Which authentication method would satisfy this requirement?

Answer options

• A. MAC RADIUS
• B. captive portal
• C. 802.1X with single-secure supplicant mode
• D. 802.1X with multiple supplicant mode

Correct answer: A

Explanation

The correct answer is A, MAC RADIUS, as it specifically allows for MAC address-based authentication through a RADIUS server, providing the centralized management needed. The other options do not adequately focus on MAC address filtering or centralized server authentication; for instance, a captive portal is more user-friendly but does not restrict devices by MAC address, while 802.1X methods focus on user credentials rather than MAC-based controls.