Once a record is stored on the Blockchain ____________.
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Correct Answer:
D
Reference can be changed by an authorized person
Q: 3
Why is Hyperledger a good business solution over other Blockchains?
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Correct Answer:
D
Q: 4
What does a Merkle tree provide?
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Correct Answer:
A
Q: 5
Which of the following statements sums up the Proof of Work consensus process?
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Correct Answer:
C
Q: 6
If a node on the network were to lose a copy of the ledger, the ledger is not lost. The large number of
other nodes have a copy and won’t lose track. This is known as___________.
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Correct Answer:
B
Q: 7
What is the focus or primary goal of a private Blockchain? Select all that apply.
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Correct Answer:
D
Q: 8
In a private business Blockchain, transactions are endorsed by______________.
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Correct Answer:
A
Q: 9
Blockchain is always decentralized.
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Correct Answer:
A
Q: 10
Blockchain is always a better alternative to a standard database.