Free Blockchain CBBF Practice Exam with Questions & Answers | Set: 2

True

False

True

False

increasing the number of transactions per second (TPS)

the inability to find use cases

solving user identity

getting banks to cooperate

Hyperledger

Corda

Bitcoin

Ethereum

All of the above

It is less expensive to develop

It requires less mining power that a public Blockchain

To limit user access and permissions

It requires fewer administrators to manage it

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

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

Metadata used for ID

Same as the user private key

Digital fingerprint of the block

Unique number to show it’s a Bitcoin block

Anonymous

Newer version of a

Append-only

Confidential

Anonymous Cryptography

Trust in central authorities

A fast and efficient ledger

A peer to peer ledger without the need of a third party