A device is failing MAC RADIUS authentication. The engineer runs 'show access mac-radius' and sees the MAC address in the 'failed' state. The RADIUS server logs show an Access-Reject. What is the most likely cause?

The switch is sending the wrong MAC address as the username.

The shared secret is incorrect, causing the server to reject the request.

The MAC address is not in the RADIUS server's database.

The RADIUS server is unreachable, so it sends a reject.

What is a key difference between MAC RADIUS and 802.1X authentication?

MAC RADIUS uses a shared secret, while 802.1X uses certificates

MAC RADIUS requires a supplicant, while 802.1X does not

MAC RADIUS authenticates the device, while 802.1X can authenticate the user

MAC RADIUS is only for wireless, while 802.1X is only for wired

A device is failing MAC RADIUS authentication. The engineer runs 'show access mac-radius' and sees the MAC address in the 'waiting' state. The RADIUS server logs show no Access-Request. What is the most likely cause?

The switch is configured with the wrong RADIUS server IP address.

The switch has not received a frame from the device yet, so it has not extracted the MAC address.

The RADIUS server is rejecting the request because the MAC is not in the database.

The shared secret is incorrect, causing the switch to drop the request.

What is the primary purpose of MAC RADIUS authentication in a Juniper enterprise switching environment?

To provide a backup authentication method when the RADIUS server is unreachable

To authenticate network devices based on their MAC address against a RADIUS server

To encrypt all traffic between the switch and the RADIUS server

To authenticate users based on their username and password credentials

A device is failing MAC RADIUS authentication. The engineer checks the RADIUS server logs and sees no Access-Request for the device's MAC address. What is the most likely cause?

The device is sending an EAPOL-Start, but the switch is ignoring it because MAC RADIUS does not use EAPOL.

The RADIUS server is rejecting the MAC address because it is not in the database.

The RADIUS server is sending an Access-Reject but the switch is not displaying it in the logs.

The switch is not sending the Access-Request because the port is not configured for MAC RADIUS, or the MAC address is not being extracted from the incoming frame.

Juniper NetworksCertified Professional, Enterprise Routing and Switching (JNCIP-ENT)

Domain 5Objective 3

MAC RADIUS JN0-650 Practice Questions (Page 1)

Part of the Layer 2 Authentication and Access Control domain, which makes up ~19% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~7–11 in this domain), expect 1–2 from this objective — we provide 18 practice questions to prepare you well beyond it. (estimate)

18questions here

4free pages

6concepts

Questions 1–5

1application · medium
A device is failing MAC RADIUS authentication. The engineer runs 'show access mac-radius' and sees the MAC address in the 'failed' state. The RADIUS server logs show an Access-Reject. What is the most likely cause?
Select an answer first
2foundation · easy
What is a key difference between MAC RADIUS and 802.1X authentication?
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3expert · hard
A device is failing MAC RADIUS authentication. The engineer runs 'show access mac-radius' and sees the MAC address in the 'waiting' state. The RADIUS server logs show no Access-Request. What is the most likely cause?
Select an answer first
4foundation · easy
What is the primary purpose of MAC RADIUS authentication in a Juniper enterprise switching environment?
Select an answer first
5application · medium
A device is failing MAC RADIUS authentication. The engineer checks the RADIUS server logs and sees no Access-Request for the device's MAC address. What is the most likely cause?
Select an answer first

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