Juniper JN0-683 Exam - Topic 1 Question 26 Discussion

Actual exam question for Juniper's JN0-683 exam

Question #: 26
Topic #: 1

You are using a single tenant data center with a bridged overlay architecture. In this scenario, how do hosts of the different virtual networks communicate with each other?

Aoff-fabric using an external device

Busing anycast gateway addresses configured on the leaf devices

Cusing EVPN Type 5 routes

Dusing virtual gateway addresses configured on the spine

Show Suggested Answer

Suggested Answer: A

Understanding Bridged Overlay Architecture:

In a single-tenant data center using a bridged overlay architecture, virtual networks (VLANs) are typically isolated within the fabric, with traffic between these VLANs handled outside the fabric.

Communication Between Different Virtual Networks:

A . off-fabric using an external device: This is correct. In many bridged overlay architectures, communication between different virtual networks is handled off-fabric, often using an external router or firewall that connects the different VLANs. The fabric itself primarily provides Layer 2 connectivity within each VLAN, leaving inter-VLAN routing to be handled externally.

Data Center Reference:

This design is common in smaller or simpler data center environments where a single tenant does not require complex on-fabric routing and prefers to handle inter-VLAN routing through dedicated devices.

by BAE BOGEUN at Jul 15, 2025, 08:03 PM

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Evelynn

4 months ago

Anycast gateway addresses could work too, though!

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Lino

4 months ago

I agree with Laquanda, that makes sense!

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Laquanda

4 months ago

I think it's using EVPN Type 5 routes, right?

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Romana

4 months ago

Wait, are we sure about that? Sounds a bit off.

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Odette

5 months ago

Definitely off-fabric using an external device.

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Mozell

5 months ago

I thought the virtual gateway addresses on the spine were important, but I'm not completely confident if that's how hosts communicate across networks.

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Wade

5 months ago

I feel like EVPN Type 5 routes could be the answer, but I can't quite recall the details on how they facilitate communication.

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Almeta

5 months ago

I think we discussed something similar in class, and I believe it might involve using anycast gateway addresses.

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Hyman

5 months ago

I remember studying about overlay networks, but I'm not sure how the communication happens between different virtual networks in this specific setup.

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Quiana

6 months ago

This question is testing some pretty specific networking knowledge. I'm not as familiar with the details of bridged overlay architectures and EVPN, so I'll need to make an educated guess. I think option B sounds the most plausible, but I'm not 100% certain.

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Evangelina

6 months ago

Okay, I think I've got this. In a bridged overlay architecture, hosts in different virtual networks communicate using anycast gateway addresses configured on the leaf devices. That's option B, so I'm going to go with that.

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Noah

6 months ago

Hmm, I'm a bit unsure about this one. The key details seem to be the single tenant data center and bridged overlay architecture, but I'm not sure how that impacts the host communication. I'll need to review my notes on these networking concepts.

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Jesus

6 months ago

This question seems to be testing my knowledge of data center networking and virtual network communication. I'll need to think carefully about the different options and how they relate to the given scenario.

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