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Huawei H13-629 Exam - Topic 1 Question 51 Discussion

Erasure code redundancy technology used in Huawei OceanStor 9000 supports higher reliability and more flexible redundancy than traditional RAID algorithms.Which of the following statements regarding the principle of Erasure code N + M is wong?
A) Data is written into N data blocks of the same size and C) The system stores N + M data blocks in parallel on different hard disks and D) In re-Erasure Code storage mode, the system supports up to N hard disk failure
B) Yu calculate M check blocks (N=+M) by Erasure code algorithm for every N consecutive data blocks

Huawei H13-629 Exam - Topic 1 Question 51 Discussion

Actual exam question for Huawei's H13-629 exam
Question #: 51
Topic #: 1
[All H13-629 Questions]

Erasure code redundancy technology used in Huawei OceanStor 9000 supports higher reliability and more flexible redundancy than traditional RAID algorithms.

Which of the following statements regarding the principle of Erasure code N + M is wong?

Show Suggested Answer Hide Answer
Suggested Answer: A, C, D

by Laurel at Jul 08, 2024, 09:19 PM

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Eleni
7 months ago
Yeah, I agree with Carmelina, D doesn't sound right.
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Bong
7 months ago
A and C are spot on, but B seems off to me.
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Alyce
7 months ago
Wait, can it really handle N disk failures? That sounds too good to be true!
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Carmelina
7 months ago
I think option D is the one that's wrong.
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Tracie
7 months ago
Erasure code is definitely more flexible than RAID!
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Serita
8 months ago
I’m pretty confident that option C is correct since it mentions storing blocks in parallel, but I need to double-check the specifics on disk failures.
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Milly
8 months ago
I feel like option D could be tricky; I thought it was limited to just one or two disk failures in traditional setups.
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Brandon
8 months ago
I think option B sounds familiar, but I might be mixing it up with how RAID calculates parity.
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Annmarie
8 months ago
I remember studying that N + M means you have N data blocks and M parity blocks, but I'm not sure if the statement about re-Erasure Code storage mode is correct.
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Ettie
8 months ago
Hmm, the Erasure code technology is supposed to provide higher reliability and more flexible redundancy than traditional RAID. I think I have a good understanding of how it works, so I'm feeling confident about this one.
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Alana
8 months ago
I'm a bit confused by the wording of the question. Is it asking which statement is incorrect, or which one is correct? I want to make sure I don't accidentally select the wrong answer.
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Christiane
8 months ago
Okay, let me think this through. The question is asking which statement about the Erasure code N + M principle is wrong, so I need to carefully analyze each option.
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Barb
8 months ago
This question seems straightforward, but I want to make sure I understand the key principles of Erasure code N + M before selecting an answer.
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Carolynn
8 months ago
The key thing to remember is that Erasure code N + M involves writing data into N data blocks and calculating M check blocks. I'll need to double-check the details of each option to identify the one that's incorrect.
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Paulina
9 months ago
All of the above, for sure. Can't ignore any of those key features when doing comprehensive testing for a website. Gotta look at the whole picture.
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Tamekia
9 months ago
Hmm, I'm not sure about this one. I'll need to think it through carefully.
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Beckie
1 year ago
N+M, huh? Sounds like a new math equation I need to learn. Maybe I can get bonus points if I solve for X while I'm at it.
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Heidy
12 months ago
User 3: B) Yu calculate M check blocks (N=+M) by Erasure code algorithm for every N consecutive data blocks
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Herman
1 year ago
User 2: A) Data is written into N data blocks of the same size
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Estrella
1 year ago
User 1: N+M, huh? Sounds like a new math equation I need to learn.
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Veronika
1 year ago
Alright, let's focus here. The key is understanding the principle of Erasure code N+M. I think the correct answer is D, since the system should support up to N hard disk failures, not just M.
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Nichelle
1 year ago
Haha, 'wong'? I think the person who wrote this question needs to brush up on their English. Maybe they're trying to be funny, but it's a bit cringeworthy.
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Melita
1 year ago
Okay, let me think this through. If the system stores N+M data blocks in parallel, then it should be able to tolerate up to M disk failures, not just N. That must be the 'wong' statement.
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Becky
12 months ago
Good analysis. It's important to understand the principles of Erasure code for data redundancy.
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Devora
12 months ago
Exactly, that's the incorrect statement regarding the principle of Erasure code N + M.
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Dominga
1 year ago
So, the statement saying the system supports up to N hard disk failure is wrong.
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Erick
1 year ago
I think you're right. The system should be able to tolerate up to M disk failures, not just N.
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Francisca
1 year ago
Wait, isn't Erasure code supposed to be more reliable than RAID? Why would the question say the statement about N+M is 'wong'? I'm a bit confused.
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Dorinda
1 year ago
D) In re-Erasure Code storage mode, the system supports up to N hard disk failure
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Janey
1 year ago
C) The system stores N + M data blocks in parallel on different hard disks
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Emilio
1 year ago
B) Yu calculate M check blocks (N=+M) by Erasure code algorithm for every N consecutive data blocks
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Hyman
1 year ago
A) Data is written into N data blocks of the same size
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Kara
1 year ago
Hmm, I see your point. But I still think A) makes more sense because it's about how the data is initially written.
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Phillip
1 year ago
I disagree, I believe the correct statement is C) The system stores N + M data blocks in parallel on different hard disks.
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Kara
1 year ago
I think the correct statement is A) Data is written into N data blocks of the same size.
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