Online Access Free 312-82 Practice Test

Public blockchains most often use________ as a consensus mechanism.

• A.PoB
• B.PoW
• C.PoS
• D.PoET

Ethereum uses_____ as Proof of Work (PoW) whereas Bitcoin uses____based PoW.

• A.SHAZ56 ETHASH
• B.ETHASH SHA-256
• C.PoW PoB
• D.PoB BoW

______is a computer program that runs stop a blockchain and embedded within it are governance and business logic rules

• A.Dapps
• B.DaS
• C.DAC
• D.DAO

What is a utility cryplet?

• A.A part of IBM Hyperledger Fabric Bletchley that is used to provide basic services such as encryption and basic data fetching from external sources.
• B.A part of Microsoft Azure Bletchley that is used to provide basic services such as encryption and basic data fetching from external sources.
• C.A part of Microsoft Azure Bletchley that is created automatically when a smart contract is created on the chain and resides of the chain.
• D.A part of IBM Hyperledger Fabric that is created automatically when a smart contract is created on the chain and resides off the chain.

How many bitcoin are available?

• A.It fluctuates with demand
• B.1 million
• C.21 million
• D.It increases each year