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GAQM LCP-001 Exam - Topic 4 Question 92 Discussion

Actual exam question for GAQM's LCP-001 exam

Question #: 92
Topic #: 4

[All LCP-001 Questions]

The command cat /proc/dma will show you what?

AWhether DMA is enabled

BWhich DMA channels are in use

CWhich DMA mode is in use

DGeneral information about DMA on the machine

Show Suggested Answer

Suggested Answer: B

Explanation /proc/dma This file contains a list of the registered ISA direct memory access (DMA) channels in use. A sample /proc/dma files looks like the following:

4: cascade

It shows whether DMA is enabled or not.

by Veronika at Jul 10, 2025, 11:13 AM

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Albina

7 months ago

I thought it was just for checking if DMA is enabled.

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Ona

7 months ago

Nah, it's more general info about DMA, right?

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Anjelica

7 months ago

It shows which DMA channels are in use.

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Antonio

7 months ago

Wait, is that really what it does? I thought it was for modes.

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Josephine

7 months ago

Totally agree, it's all about the channels!

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Jerrod

8 months ago

I believe it provides details on which DMA channels are active, but I could be mixing it up with another command.

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Izetta

8 months ago

I feel like it might be related to whether DMA is enabled, but I can't recall the specifics.

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Alana

8 months ago

I remember practicing a similar question, and I think it was about general information on DMA.

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Derick

8 months ago

I think the command shows which DMA channels are in use, but I'm not entirely sure.

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Maurine

9 months ago

I'm a bit confused by this question. I'm not super familiar with DMA, so I'll have to take a guess. Maybe option D is the best choice?

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Adelina

9 months ago

Okay, this seems straightforward. The command is clearly about DMA, so the answer must be which DMA channels are in use. I'll select option B.

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Pura

9 months ago

The question is asking what the command `cat /proc/dma` will show, so I'm guessing it's related to DMA configuration on the system. I'll try option B.

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France

9 months ago

Hmm, I'm a bit unsure about this one. I'll need to think it through carefully before answering.

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Sunny

9 months ago

I'm pretty sure this is asking about the DMA channels in use on the system, so I'll go with option B.

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Alonso

10 months ago

I'm just hoping the exam doesn't ask me to explain what DMA stands for. That would be a real 'direct memory access' moment for me. *winks*

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Howard

10 months ago

A) Whether DMA is enabled

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Noe

11 months ago

Who even uses DMA these days? I thought that was an ancient technology. *laughs*

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Pauline

11 months ago

Option C seems right to me. It should show the DMA mode, not just the channels.

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Bernardo

10 months ago

A) Whether DMA is enabled

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Tyisha

11 months ago

I'd go with D. It's a general information file about DMA, not just the specific channels in use.

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Lucina

10 months ago

Yeah, I agree. It's always good to start with general information.

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Boris

10 months ago

I think D is the best choice. It gives an overview of DMA on the machine.

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Delisa

11 months ago

Definitely B. The /proc/dma file gives you the list of DMA channels in use on the system.

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Olene

10 months ago

Yes, that's correct. It gives you a list of DMA channels.

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Glenn

10 months ago

I think it shows which DMA channels are in use.

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Elouise

11 months ago

That's a good point, knowing the mode could be crucial for troubleshooting.

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Loreta

11 months ago

I think it might be C) Which DMA mode is in use, as that could affect performance.

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Gladys

11 months ago

Hmm, that makes sense. It's important to know which channels are being used.

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Elouise

11 months ago

I believe it could also be B) Which DMA channels are in use.

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Gladys

12 months ago

I think the answer is A) Whether DMA is enabled.

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