Question No. 1

Which of these applications would be suited for a private Blockchain?

Afinancial transactions

Bmanufacturing supply chain

Cmedical records

Dfood traceability

EAll of the above

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Correct Answer: E

Question No. 2

How does the Bitcoin provide anonymity?

AThrough Merkle trees

BThrough public/private key cryptography

CThrough consensus algorithms such as Proof of Work

DBy publishing only the block address

ENone of the above

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Correct Answer: E

Question No. 3

What is a hash function?

AA one-way function that converts input to a unique string output

BA function that stores data behind a key

CA two-way function used for condensing information

DThe block-ID of the block

EAll the above

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Correct Answer: D

Question No. 4

Why is Hyperledger a good business solution over other Blockchains?

AAlways permissioned and private

BIt can employ smart contracts

CModular design allowing for flexibility in solution

DMultiple consensus methods can be chosen for use

EAll the above

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Correct Answer: D

Question No. 5

Where is a Blockchain's central server?

AWhere the Blockchain is created

BLocated with the owner of the server

CThere is no central server, it is distributed

DOrderer Node

ENone of the above

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Correct Answer: C

Free Blockchain CBBF Exam Actual Questions