Juniper JN0-460 Exam - Topic 2 Question 4 Discussion

Actual exam question for Juniper's JN0-460 exam

Question #: 4
Topic #: 2

[All JN0-460 Questions]

Which two statements are correct about the EVPN-VXLAN control plane? (Choose two.)

AThe control plane encapsulates the traffic.

BThe control plane learns the MAC addresses of end-user devices.

CThe control plane learns the IP addresses of end-user devices.

DThe control plane rewrites the destination MAC address of the packet.

Show Suggested Answer

Suggested Answer: B, C

In an EVPN-VXLAN fabric, the control plane operates over BGP EVPN and is responsible for distributing endpoint reachability information (MAC and IP) among VTEPs. The data plane, by contrast, performs encapsulation and forwarding.

''The EVPN control plane uses BGP to exchange MAC and IP address reachability information between VTEPs, enabling efficient forwarding and loop prevention without relying on flood-and-learn behavior.''

Option A: Incorrect --- encapsulation occurs in the data plane, not the control plane.

Option B: Correct --- the control plane distributes MAC-to-VTEP mappings.

Option C: Correct --- the control plane also distributes IP-to-MAC associations (Type 2 and Type 5 EVPN routes).

Option D: Incorrect --- the control plane does not alter packet headers.

Juniper Mist AI for Wired -- EVPN-VXLAN Overview

Juniper Validated Design -- EVPN Control and Data Plane Operation

Junos OS EVPN-VXLAN Implementation Guide

by Dana at Nov 20, 2025, 07:39 PM

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Yesenia

8 days ago

I thought A was right too, but it's not!

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Rosio

13 days ago

B and C are correct.

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Willodean

18 days ago

Haha, I bet the exam writers are trying to trick us with that one. Gotta watch out for those tricky options!

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Lanie

23 days ago

Hmm, I'm not sure about A. Isn't the data plane responsible for encapsulation?

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Clorinda

28 days ago

I thought the control plane was just for control traffic, not data traffic. D is definitely wrong.

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Michel

1 month ago

B and C are correct.

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Tammi

1 month ago

I’m uncertain about D, but I remember that rewriting MAC addresses is more related to the data plane, not the control plane.

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Edward

1 month ago

I feel like I’ve seen a question like this before, and I think the control plane does learn IP addresses too, so maybe C is correct?

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Jutta

2 months ago

I think option B sounds familiar because I remember something about the control plane learning MAC addresses, but I'm not entirely sure.

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Myra

2 months ago

Alright, time to put my EVPN-VXLAN knowledge to the test. I'm pretty confident I can identify the two correct statements here.

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Louann

2 months ago

I've got a good handle on the EVPN-VXLAN control plane, so I think I can tackle this. B and C are definitely correct, but I'm not sure about the other options.

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Pearlene

2 months ago

I'm a bit confused on the encapsulation and rewriting aspects. I'll need to review those details to determine which statements are correct.

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Glen

2 months ago

I agree, B and C make sense. It’s all about addressing.

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Socorro

3 months ago

I’m pretty confident that the control plane doesn’t encapsulate traffic, so I think A is definitely wrong.

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Merissa

3 months ago

I think B and C are correct. The control plane needs to learn both MAC and IP addresses.

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Ailene

3 months ago

Okay, let's see. I know the control plane is responsible for learning MAC and IP addresses, so I'll focus on that. Statements B and C seem most relevant.

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Leana

4 months ago

Hmm, this one seems tricky. I'll need to think carefully about the differences between the control plane and data plane in EVPN-VXLAN.

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Jolene

2 months ago

I agree, B is definitely right.

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Lon

3 months ago

I think B and C are correct.

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