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Dell EMC Exam D-XTR-DS-A-24 Topic 5 Question 23 Discussion

Actual exam question for Dell EMC's D-XTR-DS-A-24 exam
Question #: 23
Topic #: 5
[All D-XTR-DS-A-24 Questions]

A customer has purchased an XtremlO X2-R, four X-Brick cluster. How many ports are available on a single InfiniBand Switch?

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Suggested Answer: B

In a Dell XtremIO X2-R system, a four X-Brick cluster configuration includes two InfiniBand Switches1. Each InfiniBand Switch in a multi X-Brick system, such as the X2-R, is included to interconnect the X-Bricks within the cluster. While the specific number of ports is not directly stated in the search results, the configuration implies a high number of ports to support the connectivity between multiple X-Bricks. Based on the available information and typical configurations of such systems, it is reasonable to infer that each InfiniBand Switch would have 36 ports to provide the necessary interconnectivity for a four X-Brick cluster.


The XtremIO X2 Specifications document provides details on system configurations and components, including InfiniBand Switches1.

Additional information on InfiniBand Switches and their role in multi X-Brick systems can be found in the XtremIO X2 Specification Sheet2.

by Gladys at May 05, 2025, 05:58 PM

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Louann
1 months ago
I remember reading that each X-Brick cluster has 6 ports, so with 4 clusters, that would be 24 ports in total.
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Evangelina
1 months ago
Why do you think it's 24 ports?
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Louann
1 months ago
I disagree, I believe the answer is C) 24.
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Evangelina
1 months ago
I think the answer is B) 36.
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Emily
1 months ago
Wait, did you guys forget to carry the one? The answer is definitely 42. Duh!
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Arlene
1 months ago
I'm going with B) 36. It just makes the most sense when you think about the number of X-Bricks in the cluster.
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Marjory
2 months ago
Ha! This is easy. The answer is clearly D) 12 ports. Everyone knows InfiniBand Switches only have 12 ports, right?
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Leah
2 months ago
Hmm, I'm not so sure about that. The question mentions an InfiniBand Switch, so I'm thinking the answer might be C) 24 ports.
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Carmelina
28 days ago
I agree, the InfiniBand Switch typically has 24 ports.
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Leatha
1 months ago
I think it's C) 24 ports.
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Micah
2 months ago
I think the answer is B) 36. The X2-R has 4 X-Bricks, and each X-Brick has 9 ports, so that's a total of 36 ports.
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Evangelina
28 days ago
That makes sense. So the total number of ports available on a single InfiniBand Switch for the X2-R with a four X-Brick cluster is 36.
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Shakira
29 days ago
Yes, you are correct. The X2-R with a four X-Brick cluster would indeed have 36 ports available on a single InfiniBand Switch.
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Nickole
1 months ago
I believe the answer is B) 36. Each X-Brick has 9 ports, so with 4 X-Bricks, that's a total of 36 ports.
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