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HPE7-A03 Exam - Topic 1 Question 3 Discussion

Actual exam question for HP's HPE7-A03 exam
Question #: 3
Topic #: 1
[All HPE7-A03 Questions]

A global cruise line company needs to refresh its current fleet. They win refresh the insides' of the ship to be cost-effective and increase their sustain ability. They Mill replace the complete WLAN/LAN hardware of the ship. In this refresh, the company will not refresh Us current security requirements. The CIO also wants to limit the number of unused ports in the switches. Future expansion will always mean a refresh of hardware. They start with the smallest ship with a maximum of 800 guests

Each ship has a LAN infrastructure consisting of two core switches, up to 10 redundant distribution switches, and up to 500 access switches (400 cabins. 100 technical rooms). The Core switches are located in the MDF of the ship and the distribution switches are located in the IDFs of the ship. Each cabin and technical room gets one single access switch.

The cabling structure of the ship will not be refreshed. Each IDF is connected to the MDF by SMF. of which two pairs are available for the interconnect between the core and distribution. The length of SM fiber between MDF and IDF is less than 300 meters (930 ft) and the type used is 0S1. Each cabin is connected by a single 0M2 pair to the IDF. the maximum length is 60 meters (200 ft). Each technical room is connected by a single 0M2 pail to the IDF. with lengths between 100 and 150 meters (320 and 500 ft).

For each cabin/technical room the customer is looking to replace their current fan-less 2530/2540 without changing the requirements, except they need to upgrade the uplink to distribution switch to 10GbEto handle the increased network traffic, and the technical rooms need redundant power.

The WLAN infrastructure will be 1:1 refreshed without new cabling or new AP locations. Their WLAN Infrastructure is based on the 200/300 series Indoor and outdoor APs running instantOS (less than 300 APs). the customer has no change in WLAN requirements.

The cruise line company will replace its current Internet connection before the LAN/WLAN refresh. The new Internet connection will provide a 99.8% uptime, which is needed to ensure the paid guest Wi-Fi is always operational. With this new internet connection, the CIO of the cruise line wants to base the design on the ESP architecture from Aruba because Internet connection is guaranteed.

Based on the best practices, what should you recommend as the correct optic type for the connection between the IDF and the cabins?

Show Suggested Answer Hide Answer
Suggested Answer: C

For the connection between the IDF and the cabins, which requires supporting distances up to 60 meters on OM2 fiber, the most appropriate optic type is the Aruba 10G SFP+ LC SR 300 m MMF Transceiver. This transceiver is compatible with multi-mode fiber (MMF) and is capable of supporting the required distance for connections to the cabins, making it a suitable choice based on the company's existing cabling structure and the need for 10GbE uplink capabilities to manage increased network traffic. The SR (Short Range) designation indicates that this transceiver is optimized for short to medium distances, which aligns with the maximum 60-meter distance from IDF to cabins, ensuring reliable and high-speed connectivity for the ship's LAN infrastructure within the given physical constraints.


Contribute your Thoughts:

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Elli
3 months ago
Option A could work too, but I’d stick with C for reliability.
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Georgene
3 months ago
I’m surprised they’re not upgrading the WLAN requirements at all!
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Ariel
3 months ago
Wait, are we sure about the cabling limitations?
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Jannette
4 months ago
Totally agree, C seems to fit the distance perfectly!
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France
4 months ago
I think option C is the best choice for the IDF to cabins.
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Yaeko
4 months ago
I recall that the SR is generally preferred for shorter runs, but I wonder if the LRM might be more cost-effective for this setup.
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Eva
4 months ago
I practiced a similar question about uplink requirements, and I think the LRM could work too, but I’m not entirely confident.
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Carla
4 months ago
I'm a bit unsure about the specifics, but I think the SR transceiver might be the best fit since it supports longer distances.
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Reynalda
5 months ago
I remember we discussed the importance of choosing the right optic type based on distance and cabling. I think it's between the LRM and SR options.
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Glenna
5 months ago
The key information here seems to be the fiber types and distances. Since the cabins and technical rooms are using OM2 fiber, and the max lengths are within the 300m range, I think option C is the way to go. The question is pretty straightforward, so I'm feeling confident about this one.
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Melynda
5 months ago
I'm not entirely sure about this one. The question mentions the cabling structure won't be refreshed, so I'm wondering if we need to consider the existing infrastructure and compatibility. I'll need to double-check the details to make sure I'm not missing anything.
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Magdalene
5 months ago
Okay, let's see. The cabins and technical rooms are connected to the IDF via OM2 fiber, with a max length of 60m and 100-150m respectively. Based on that, I think option C, the Aruba 106 SFP-LC SR 300m MMF Transceiver, would be the best choice.
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Narcisa
5 months ago
I'm a bit confused about the different fiber types and their capabilities. I'll need to review the details on MMF, SMF, and OM2 to make sure I understand the differences and which one is best suited for this scenario.
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Annice
5 months ago
This question seems pretty straightforward. I think the key is to focus on the cabling requirements and distances mentioned in the problem statement.
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An
5 months ago
Ugh, I always get unit and integration tests mixed up. Let me see if I can sort this out - unit tests focus on individual pieces, and integration tests look at how the whole system hangs together. I'll need to review my notes to make sure I have the right approach here.
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Cherrie
5 months ago
I'm not entirely sure about the differences between DNS Sinkholing and Passive DNS Monitoring. I'll need to do some quick research to make sure I understand how those features work before deciding.
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Jeannetta
5 months ago
Okay, I know VLANs help compartmentalize the network and improve security. I'll make sure to select that option.
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Sunny
5 months ago
This looks like a tricky one. I'll need to think carefully about the cloud security threats related to multitenancy.
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Coral
5 months ago
I feel like I might have seen a practice question that mentioned JIT helping to reduce overall inventory costs, so maybe E is true?
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Jackie
2 years ago
I support User1's opinion. Using the Aruba 106 SFP-LC LRM 220m MMF Transceiver seems like the best option based on the given scenario.
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Tambra
2 years ago
I think the correct optic type should be the Aruba 106 SFP-LC SR 300m MMF Transceiver.
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Gianna
2 years ago
I disagree, I believe the Aruba 10GBASE-T SFP-RJ-45 30m Cat6A Transceiver would be a better choice.
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Glory
2 years ago
I think we should recommend the Aruba 106 SFP-LC LRM 220m MMF Transceiver.
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Trinidad
2 years ago
I agree, C) Aruba 106 SFP- LC SR 300 m MMF Transceiver seems like the best option for that setup.
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Aleta
2 years ago
I think the correct optic type for the connection between the IDF and the cabins should be C) Aruba 106 SFP- LC SR 300 m MMF Transceiver.
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