CBSA Enterprise Blockchain Platforms 2

Question 1

Which Hyperledger Fabric component is responsible for ordering transactions and creating blocks?

Accepted Answer

Orderer

Answer

Peer

Answer

Chaincode

Answer

CA

Question 2

In R3 Corda, what is a 'CorDapp'?

Accepted Answer

A distributed application built on the Corda platform

Answer

A Corda database plugin

Answer

A consensus algorithm variant

Answer

A type of Corda node

Question 3

What is the primary consensus mechanism used by Quorum (now ConsenSys Quorum)?

Accepted Answer

IBFT (Istanbul Byzantine Fault Tolerance)

Answer

Proof of Work

Answer

Delegated Proof of Stake

Answer

Federated Byzantine Agreement

Question 4

In Hyperledger Fabric, what is the role of the Membership Service Provider (MSP)?

Accepted Answer

It defines rules for validating identities and granting network permissions

Answer

It manages smart contract deployment

Answer

It replicates the ledger across nodes

Answer

It orders and batches transactions

Question 5

Which enterprise blockchain platform was developed by the Digital Asset company and uses DAML as its smart contract language?

Accepted Answer

Canton (formerly DAML on Ledger)

Answer

Hyperledger Besu

Answer

Hyperledger Sawtooth

Answer

Hyperledger Fabric

Question 6

What distinguishes Hyperledger Besu from other Hyperledger projects?

Accepted Answer

It is an Ethereum client designed for both public and enterprise private networks

Answer

It is written in Go and uses PBFT consensus

Answer

It uses DAG-based transaction ordering

Answer

It requires a central coordinator for all transactions

Question 7

In Hyperledger Fabric's channel architecture, what is the main purpose of a channel?

Accepted Answer

To provide a private communication subnet between specific network members

Answer

To route external API calls to smart contracts

Answer

To store audit logs for regulatory compliance

Answer

To manage the ordering service's block creation rate