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Certified Blockchain Business Foundations Questions and Answers

Question 5

How is Blockchain benefiting voting?

By revealing the identity of each voter and who or what they voted for

By controlling who gets to vote

By only allowing a certain number of votes per person

By allowing voters to trust their vote has been counted

Question 6

In a private business Blockchain, transactions are endorsed by______________.

only relevant business participants

only the smart contract developer

all the nodes on the Blockchain

all participants with access to the network

Question 7

Blockchains are being implemented in the food supply chain because ____________.

Consumers demand to know where their food comes from

It allows farm to table accountability for safety

They have the potential to provide fast, specific supplier data

It prevents food waste if a food contamination problem occurs.

All of the above

Question 8

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

Hyperledger

Corda

Bitcoin

Ethereum

All of the above