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Blockchain CBSA Exam - Topic 8 Question 37 Discussion

On the Ethereum blockchain the ''nonce'' of a transaction:
A) Holds the gas amount to be paid to the miner writing the block that contains the transaction
B) Is used to ensure that transactions by a given account are written in sequential order
C) Is reset to zero after each successfully mined blocked
D) Must always start with four zeroes

Blockchain CBSA Exam - Topic 8 Question 37 Discussion

Actual exam question for Blockchain's CBSA exam
Question #: 37
Topic #: 8
[All CBSA Questions]

On the Ethereum blockchain the ''nonce'' of a transaction:

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Suggested Answer: A

by Keneth at Oct 25, 2022, 05:11 AM

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Sherita
10 months ago
So it doesn't reset to zero after each block? That's surprising!
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Gregoria
10 months ago
Nope, that's a common misconception!
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Gerald
10 months ago
Wait, I thought it was just for mining difficulty?
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Alesia
11 months ago
Totally agree, it's crucial for keeping things in line.
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Tandra
11 months ago
The nonce is all about transaction order!
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Carman
11 months ago
I definitely remember something about the nonce needing to start with zeroes, but I thought that was more about mining than transactions.
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Adell
11 months ago
I feel like the nonce is reset after a block is mined, but I can't recall if that's the main purpose of it.
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Brittni
11 months ago
I remember practicing a question about gas fees, but I don't think the nonce holds that information.
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Rosio
11 months ago
I think the nonce is related to the order of transactions, but I'm not completely sure if it's specifically about sequential order.
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Rosendo
11 months ago
Okay, I think the key here is understanding the design requirements of a MIL test environment. Based on that, I'm leaning towards D as the correct answer, since the environment would need a real-time capable computer to capture all relevant signals.
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Fernanda
11 months ago
Okay, let's think this through. The question is asking about configuring a QoS scheduling policy on traffic received from transport side tunnels. I'm guessing the correct answer has something to do with a QoS command specific to that device or environment.
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Mari
11 months ago
I'm a little confused by the different method names in the options. I'll need to think through each one carefully to determine which one actually retrieves a single update.
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Stephaine
11 months ago
I'm a little confused by the terminology here. What's the difference between a virtual switch and a VNIC? I'll need to review my networking concepts before selecting an answer.
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Kenny
1 year ago
Option B is the correct answer. The nonce is a counter that prKennynts double-spending by ensuring transactions are processed in order.
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Madelyn
1 year ago
Haha, the nonce starting with four zeroes? Someone's been playing too much World of Warcraft, I think.
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Dottie
1 year ago
Four zeroes? Really? That's just silly. The nonce is a number, not a magic password.
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Leota
1 year ago
C) Is reset to zero after each successfully mined blocked
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Nicholle
1 year ago
B) Is used to ensure that transactions by a given account are written in sequential order
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Cassie
1 year ago
A) Holds the gas amount to be paid to the miner writing the block that contains the transaction
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Tommy
1 year ago
I thought the nonce had to do with mining difficulty, not transaction order. Guess I need to review the Ethereum basics again.
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Rosendo
1 year ago
A) Holds the gas amount to be paid to the miner writing the block that contains the transaction
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Wade
1 year ago
C) Is reset to zero after each successfully mined blocked
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Madalyn
1 year ago
B) Is used to ensure that transactions by a given account are written in sequential order
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Destiny
1 year ago
The nonce is used to ensure sequential order of transactions, not for gas amounts. That's option B.
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Essie
1 year ago
No problem, happy to help!
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Elroy
1 year ago
I wasn't sure about that, thanks for clarifying.
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Staci
1 year ago
Yes, you are correct. The nonce is indeed used for that purpose.
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Bulah
1 year ago
I think the answer is B) Is used to ensure that transactions by a given account are written in sequential order
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Santos
1 year ago
I agree, it's a crucial part of how transactions are processed
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Ellen
1 year ago
Yeah, it's important for keeping transactions in order on the blockchain
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Tennie
1 year ago
That makes sense, the nonce is definitely not for gas amounts
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Hillary
1 year ago
I think the answer is B) Is used to ensure that transactions by a given account are written in sequential order
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Jacquelyne
1 year ago
Hmm, that's a good point. I see why it could be A now.
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Heike
1 year ago
I disagree, I believe the answer is A. It's about the gas amount paid to miners.
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Jacquelyne
1 year ago
I think the answer is B. It makes sense to ensure transactions are in order.
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