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Blockchain CBBF Exam - Topic 7 Question 33 Discussion

Which of the following statements sums up the Proof of Work consensus process?
C) All nodes agree on the data of the transaction.
A) Miners complete to find a nonce results in a hash that starts with a predetermined number of leading zeros.
B) Miners put up a stake. A miner is then selected based on stake value to add a new block to the chain. If a miner adds an invalid block to the chain, that miner loses their stake.
D) Miners send assets to an inactive address. This process selects the next owner of a block.

Blockchain CBBF Exam - Topic 7 Question 33 Discussion

Actual exam question for Blockchain's CBBF exam
Question #: 33
Topic #: 7
[All CBBF Questions]

Which of the following statements sums up the Proof of Work consensus process?

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Suggested Answer: C

by Quentin at May 07, 2022, 03:30 PM

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Martin
7 months ago
A is spot on, that's how it works!
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Ahmed
7 months ago
C is just about agreement, not PoW specifics.
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Helaine
8 months ago
Wait, is it really just about leading zeros? Seems too simple.
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Helene
8 months ago
I disagree, B sounds more accurate to me.
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Bette
8 months ago
A is definitely the right choice!
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Nettie
8 months ago
This is a good opportunity to showcase my knowledge of RMAN backup encryption features. I'll carefully evaluate each option and select the two that I'm most certain are correct.
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Antonette
8 months ago
Okay, I see the issue now. The switch statement is checking the value of 'opt', but it's currently a String. I think option B, which changes it to a boolean, is the way to go.
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Yvette
8 months ago
I'm pretty sure the answer is B, since column formatting usually carries over to the summary row. But I'll double-check the details just to be sure.
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