QUESTION: 61

You are using Geth and you would like to list the accounts controlled by the node. What is the command?

geth list accounts
geth account node list
geth account node
geth account list

Answer(s): D

Reference:

https://datawookie.netlify.com/blog/2018/01/ethereum-running-a-node/

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QUESTION: 62

____________ensures that the shared ledgers are exact copies, and lowers the risk of fraudulent transactions, because tampering would have to occur across many places at exactly the same time.

Encryption
Consensus
Validation
Replication

Answer(s): B

Explanation:

Consensus ensures that the shared ledgers are exact copies, and lowers the risk of fraudulent transactions, because tampering would have to occur across many places at exactly the same time

Reference:

https://www.ibm.com/developerworks/cloud/library/cl-blockchain-basics-intro-bluemix-trs/index.html

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QUESTION: 63

Ethereum tries to keep the mining time difference between ____________and ____________seconds.

10, 18
10, 20
10, 29
10, 19

Answer(s): D

Reference:

https://dltlabs.com/how-difficulty-adjustment-algorithm-works-in-ethereum/

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QUESTION: 64

Which of the following cryptocurrencies use an alternate consensus method called "Scrypt" to BTC's Proof of Work (POW) SHA-256 algorithm?

Ripple
Peercoin
Litecoin
Steemit

Answer(s): C

Explanation:

The Scrypt hash function was initially implemented by the Litecoin development team to avoid what are known, ASICs, from being able mine its cryptocurrency. When mining for cryptocurrencies, users typically have an option between: a CPU, GPU or ASIC miner.

Reference:

https://www.mycryptopedia.com/litecoin-scrypt-algorithm-explained/

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Free CBSA Exam Braindumps (page: 17)

QUESTION: 61

Reference:

QUESTION: 62

Explanation:

Reference:

QUESTION: 63

Reference:

QUESTION: 64

Explanation:

Reference:

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