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Juniper Exam JN0-649 Topic 5 Question 55 Discussion

Actual exam question for Juniper's JN0-649 exam
Question #: 55
Topic #: 5
[All JN0-649 Questions]

You enable the Multiple VLAN Registration Protocol (MVRP) to automate the creation and management of virtual LANs.

Which statement is correct in this scenario?

Show Suggested Answer Hide Answer
Suggested Answer: A

The forbidden mode does not register or declare VLANs. You can change the registration mode of a specific interface to forbidden. An interface in forbidden registration mode does not participate in MVRP even if MVRP is enabled on the switch.

https://www.juniper.net/documentation/us/en/software/junos/multicast-l2/topics/topic-map/mvrp.html

MVRP is disabled by default on the switches and, when enabled, affects only trunk interfaces. Once you enable MVRP, all VLAN interfaces on the switch belong to MVRP (the default normal registration mode) and those interfaces accept PDU messages and send their own PDU messages. forbidden---The interface does not register or declare VLANS (except statically configured VLANs).


by Santos at Apr 10, 2025, 12:19 AM

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Dulce
19 days ago
Ah, the multiple choice dilemma. Time to put on my thinking cap and figure out the right answer. Let's see, which one makes the most sense here?
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Chana
20 days ago
I'm going with option A. The forbidden mode in MVRP is designed to prevent the registration or declaration of VLANs, so that statement is accurate.
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Selma
24 days ago
Haha, option D is just a random combination of networking protocols. MVRP doesn't work with RSTP or VSTP, that's just silly.
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Erinn
3 days ago
User 1: I think option A is correct, the forbidden mode does not register or declare VLANs.
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Ronny
28 days ago
Option B sounds right to me. MVRP affects all interfaces when enabled, so it's a global setting that impacts the entire network.
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Kaitlyn
19 days ago
Option B sounds right to me. MVRP affects all interfaces when enabled, so it's a global setting that impacts the entire network.
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Wilda
1 months ago
I'm not sure about that, I think the correct statement is A) The forbidden mode does not register or declare VLANs.
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Matilda
1 months ago
I think option C is correct. The timers in MVRP control the propagation of link state changes, which is crucial for managing virtual LANs.
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Tegan
18 days ago
B) When enabled, MVRP affects all interfaces.
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Joana
22 days ago
A) The forbidden mode does not register or declare VLANs.
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Millie
2 months ago
I agree with Shala, because MVRP is designed to work with Rapid Spanning Tree Protocol (RSTP) and VLAN Spanning Tree Protocol (VSTP).
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Shala
2 months ago
I think the correct statement is D) MVRP works with RSTP and VSTP.
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