HPE7-A03 Exam - Topic 4 Question 7 Discussion

Actual exam question for HP's HPE7-A03 exam

Question #: 7
Topic #: 4

'Don't Buy at Us' is a US-based retail company that is expanding Into Europe. They are expanding into EMEA with a regional headquarters called HQ2 inside The Netherlands.

Their US-based headquarters HQ1 was refreshed last year based on the Aruba ESP architecture. You have treated the design for HQ? based on the same design as HQ1. a two-tier architecture. The high level is shown below.

Switch BOM for this project based on Two Tier:

Collapsed Core: 2 x Aruba 8360-16Y2C in VSX (ISL 2 ICOG0E DAC)

Access Slack: 10 x Slack of Aruba 6200F 48G Class4 PoE 4SFP- 740W each stack has A members. VSF

with 10GbE VSF links) 12 x 10GbE uplink pet stack)

During the presentation of your design to the CTO of "Don't Buy at Us" you were informed about the changes they want you to incorporate into the updated design

1. HQ2 will include the EMEA regional distribution center (EMEA-OISTR) next to the HQ2.

2. Only two pairs of 0S1 are available between HQ2 and EMEA-DlSTR.

3. The uplinks from all access stacks need to increase to 2 x 25GbE. the fiber in HQ2 and EMEA-DI5TRI is certified for 25GbE.

4. EMEA-DlSTR needs at least 7 x stack of Aruba 48 ports switches (each stack has 4 members).

Which answer based on best practice is presenting the correct Switch BOM tor the updated design?

AOption A

BOption B

COption C

DOption D

Show Suggested Answer

Suggested Answer: C

Based on the requirements provided by 'Don't Buy at Us,' the updated design needs to accommodate 25GbE uplinks and a minimum of 7 stacks of 48-port Aruba switches for the EMEA-DISTR. Option C is the most suitable based on best practices, as it proposes:

A core configuration consisting of two Aruba 8360-12C in VSX for the collapsed core with ISL of 2x100GbE DAC, which will provide robust core networking with high-speed interconnects, suitable for the demands of a regional distribution center and headquarters.

Aggregation with two stacks, each with 2 Aruba 8360-12C in VSX (ISL 2x100GbE DAC), accommodating the uplink capacity requirements.

Access stacks with a total of 17 stacks of Aruba 6300F 48-port 1GbE Class 4 PoE with 4-port SFP56 (each stack has 4 members, VSF with 50GbE VSF links, 2 x 25GbE uplinks per stack), which exceeds the minimum requirement of 7 stacks and provides the necessary uplink bandwidth.

This configuration supports the 25GbE uplink speeds, satisfies the required number of switch stacks for the EMEA distribution center, and is compatible with the existing 25GbE-certified fiber infrastructure at HQ2 and EMEA-DISTR.

by Kerrie at Apr 28, 2024, 07:05 AM

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Freeman

3 months ago

Not sure about the 25GbE uplinks, seems like a lot of pressure on the network.

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Ira

3 months ago

I think Option B looks the best for the updated design.

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Dyan

3 months ago

Wait, only two pairs of OS1? That seems limiting.

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Tayna

4 months ago

Totally agree with the two-tier architecture!

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Heike

4 months ago

HQ2 is in the Netherlands, right?

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Rosamond

4 months ago

I feel like I might have mixed up the access layer switches. Was it 7 stacks of 4 members each, or was it something different?

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Camellia

4 months ago

I think we practiced a similar question where we had to adjust the switch BOM based on new site requirements. I hope I can recall the right configurations.

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Bernardo

4 months ago

I’m a bit unsure about the stack configurations. Did we cover how many members each stack should have for the EMEA-DISTR?

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Nina

5 months ago

I remember we discussed the importance of having enough uplink capacity, especially with the new requirement for 2 x 25GbE.

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Enola

5 months ago

This is a tricky one, but I think I can figure it out. The key is to focus on the changes requested by the CTO and how they impact the original design. I'll carefully evaluate each option to see which one best meets the updated requirements.

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Irma

5 months ago

Okay, let's break this down step-by-step. First, we need to ensure the collapsed core can handle the increased uplink requirements. Then, we need to design the access layer to support the EMEA distribution center. I think I've got a good handle on this, but I'll double-check my work.

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Timothy

5 months ago

Hmm, I'm a bit unsure about this one. There are a lot of details to consider, like the two-tier architecture, the EMEA distribution center, and the fiber requirements. I'll need to take my time and make sure I understand everything before selecting an answer.

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India

5 months ago

This looks like a complex networking design question, but I think I can handle it. I'll need to carefully review the requirements and the proposed switch BOM options to determine the best solution.

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Mel

5 months ago

Hmm, I'm a bit confused on this one. I know SaaS Security has some advanced capabilities, but I'm not sure if forwarding to WildFire or generating alerts are the right answers here. I'll have to think this through a bit more.

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Beth

5 months ago

Hmm, I'm a bit unsure about this one. I'm torn between options A and D. I'll need to think it through carefully.

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Merlyn

5 months ago

Okay, I've got an idea on this one. Since the question is asking about the cause of a tidal wave, I'm thinking the scientists who study oceans would be the most relevant. They'd have the expertise to analyze how a volcanic eruption could trigger a tidal wave event. I'll go with that as my best guess.

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