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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?

Show Suggested Answer Hide 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
5 months ago
I thought it was just for checking if DMA is enabled.
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Ona
5 months ago
Nah, it's more general info about DMA, right?
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Anjelica
5 months ago
It shows which DMA channels are in use.
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Antonio
6 months ago
Wait, is that really what it does? I thought it was for modes.
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Josephine
6 months ago
Totally agree, it's all about the channels!
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Jerrod
6 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
6 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
7 months ago
I remember practicing a similar question, and I think it was about general information on DMA.
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Derick
7 months ago
I think the command shows which DMA channels are in use, but I'm not entirely sure.
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Maurine
7 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
7 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
7 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
8 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
8 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
9 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
8 months ago
A) Whether DMA is enabled
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Noe
9 months ago
Who even uses DMA these days? I thought that was an ancient technology. *laughs*
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Pauline
9 months ago
Option C seems right to me. It should show the DMA mode, not just the channels.
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Bernardo
8 months ago
A) Whether DMA is enabled
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Tyisha
10 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
8 months ago
Yeah, I agree. It's always good to start with general information.
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Boris
8 months ago
I think D is the best choice. It gives an overview of DMA on the machine.
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Delisa
10 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
8 months ago
Yes, that's correct. It gives you a list of DMA channels.
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Glenn
8 months ago
I think it shows which DMA channels are in use.
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Elouise
10 months ago
That's a good point, knowing the mode could be crucial for troubleshooting.
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Loreta
10 months ago
I think it might be C) Which DMA mode is in use, as that could affect performance.
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Gladys
10 months ago
Hmm, that makes sense. It's important to know which channels are being used.
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Elouise
10 months ago
I believe it could also be B) Which DMA channels are in use.
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Gladys
10 months ago
I think the answer is A) Whether DMA is enabled.
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