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Exin Exam CDCP Topic 6 Question 37 Discussion

Actual exam question for Exin's CDCP exam
Question #: 37
Topic #: 6
[All CDCP Questions]

What should be a consideration when having casters (rollers/wheels) or feet under the rack?

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Suggested Answer: A

The casters and feet under the rack are used to support the weight of the rack and its equipment, and to allow the rack to be moved if needed. However, the casters and feet should also be designed to avoid putting too much pressure on the floor tile, especially if the data centre uses a raised floor system. A too heavy point load on the floor tile can cause the tile to crack, deform, or collapse, which can damage the rack, the equipment, and the underlying infrastructure. To prevent this, the casters and feet should be larger, so that they can distribute the weight over a larger area and reduce the point load. The casters and feet should also be compatible with the floor type and the load rating of the floor tile.


1: CDCP Preparation Guide, page 22, section 2.4.1.1 2: Raised Floor Design Considerations for Data Center3, page 1, section 1 4: [SOLVED] server rack on casters or feet5, page 1, section 1

by Mohammad at May 06, 2025, 01:42 AM

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Elly
2 days ago
I vaguely recall something about airflow and skirts, but I can't remember if that was specifically related to casters or just general rack design.
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Jodi
8 days ago
I think we had a practice question about point loads on tiles, and larger casters might help distribute the weight better.
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Cathern
13 days ago
I remember we discussed how the material of the casters can impact the floor, but I'm not sure if rubber is the best option.
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Adelle
19 days ago
I feel pretty confident about this one. The larger casters and soft materials like rubber will help distribute the weight and avoid damage to the floor. And the unlocked casters will let us rearrange the racks as needed. I think I've got a good handle on the key considerations here.
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Barrett
24 days ago
Okay, I've got this. The main thing is to make sure the casters and feet don't damage the floor, whether it's a raised floor or not. And we want to be able to move the racks around easily, so locked casters wouldn't be ideal.
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Cristina
30 days ago
Hmm, I'm a bit unsure about this one. I know the casters and feet are important, but I'm not totally clear on the specific factors to consider. I'll have to think it through carefully.
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Nu
1 month ago
This seems like a pretty straightforward question about rack design. I think the key considerations are around the impact on the floor and the ability to move the racks around.
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Andree
5 months ago
Forget the casters, I say we just duct tape the whole rack to the floor. Problem solved! Who needs mobility when you've got industrial-strength adhesive, am I right?
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Eden
4 months ago
D) Casters and feet should not be locked to ensure the racks are still able to be moved to another position.
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Eliseo
4 months ago
C) Casters and feet should be of a soft material, for example rubber, to avoid damage to the raised floor tile.
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Ressie
4 months ago
A) The casters and feet should be larger to avoid a too heavy point load on the floor tile.
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Theola
5 months ago
A seems a bit overkill. Larger casters and feet? Nah, just get the soft material ones and call it a day. No need to go overboard on this one.
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Catalina
4 months ago
That's a good point. Maybe we should consider rubber material for the casters and feet.
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Xenia
4 months ago
But what about the risk of damage to the raised floor tile?
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Von
5 months ago
I agree, soft material casters and feet should do the job just fine.
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Youlanda
5 months ago
I think having casters and feet that are not locked is important for flexibility in moving the racks.
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Deeanna
5 months ago
I believe option C is also crucial to protect the raised floor tile.
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Rosio
5 months ago
I'm going with B. Skirts at the bottom will help with air flow management between the aisles. Gotta keep that hot and cold air separated, you know?
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Angelica
5 months ago
D sounds like a reasonable option too. If the racks need to be moved around, it's important to have unlocked casters or feet to make that easier.
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Barbra
5 months ago
I think the answer is C. Soft material like rubber casters and feet will prevent damage to the raised floor tiles. That's a good consideration to have when setting up racks.
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Emmanuel
5 months ago
User 3: I think C is the best option to consider when setting up racks with casters or feet.
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Nieves
5 months ago
User 2: Definitely, it's important to avoid damage to the floor when moving the racks around.
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Chantay
5 months ago
User 2: Definitely, it's important to prevent damage to the floor when moving the racks around.
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Christoper
5 months ago
User 1: I agree, using rubber casters and feet is a good idea to protect the raised floor tiles.
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Virgina
5 months ago
User 1: I agree, using rubber casters and feet is a good idea to protect the raised floor tiles.
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Rochell
6 months ago
I agree with Kattie, having larger casters and feet can distribute the weight better.
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Kattie
6 months ago
I think option A is important to prevent damage to the floor.
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