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Blockchain CBBF Exam - Topic 5 Question 31 Discussion

Actual exam question for Blockchain's CBBF exam
Question #: 31
Topic #: 5
[All CBBF Questions]

Which Blockchain protocol uses Proof of Work Consensus? Select all that apply

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Suggested Answer: A, C, D

by Carin at May 04, 2022, 08:49 AM

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Vannessa
4 months ago
Totally agree, only Bitcoin uses PoW here!
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Audra
4 months ago
Wait, are you sure about Ethereum? I thought it was still PoW.
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Kristofer
5 months ago
Hyperledger and Corda don’t use PoW, just Bitcoin.
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Darrin
5 months ago
Ethereum is transitioning to Proof of Stake now.
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Sanda
5 months ago
Bitcoin definitely uses Proof of Work.
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Jesusa
5 months ago
I've got this! The question is asking for two Connected Field Service options, so I'm going to select the ones that seem most relevant - Azure IoT Central and Azure IoT Hub. Those should provide the proactive monitoring capabilities the company needs.
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Gretchen
5 months ago
Ah, I see what they're getting at. The requirements need to be well-defined and easy to work with in an agile process. I think "unambiguous" is the way to go - that will make it easier for the dev team to implement them in iterations.
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Dean
5 months ago
Okay, I've got this. The key is that the destination is locator-controlled, so option D is the correct answer.
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