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HPE6-A47 Exam - Question 16


Refer to the exhibit.

The customer needs to expand its wired and wireless network to a new building, Building 2, which is near the existing building, Building 1. The exhibit shows the logical plan that the architect has created so far. The aggregation layer switches in the new building should provide the default gateway services for the VLANs in the new building and route traffic to the core. The existing Aruba Mobility Controllers (MCs) will control the new APs.

What should be the VLAN assignment for Link 1, indicated in the exhibit?

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Correct Answer: AC

The appropriate VLAN assignment for Link 1 should be an unused VLAN, such as 200. Link 1 serves as a routed link between the core layer and aggregation layer switches. In such scenarios, it is standard practice to use a separate VLAN for the link to ensure proper network segmentation and routing efficiency. VLANs 21, 22, and 23 are specific to Building 2 subnets, and VLANs 11, 12, and 13 are related to Building 1 subnets; thus, using a dedicated VLAN for the routed link is the correct approach.

Discussion

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Hugh_JazzOption: A
Nov 17, 2020

Answer should be A. This is a routed link, meaning you should only have one VLAN assigned to the link. Obvious since VLANs are terminated at a layer 3 boundary, but also right out of the curriculum.

poris27Option: B
Sep 4, 2021

In my opinion answer A is wrong because on building-1 their gateway in Core , they don't have aggregation. Answer A is correct if they have aggregation switch. I think the answer should be B.

kup
Sep 29, 2021

If it will be B that means that agg layer didnot provide DG role, if it just forwards local vlans as tagged to core in 1st building.

mpj_quickOption: A
Sep 24, 2022

I think is A because aggregation layer has DG role in building 2 and route traffic to the core.

moundirrOption: A
Jul 20, 2023

A is correct