CBCP Enterprise Blockchain Platforms 2

Question 1

Which Hyperledger project provides a modular blockchain framework specifically designed for enterprise permissioned networks?

Accepted Answer

Hyperledger Fabric

Answer

Hyperledger Fabric is the flagship modular, permissioned blockchain framework under the Hyperledger umbrella, designed for enterprise use cases with pluggable consensus and privacy features.

Question 2

In R3 Corda, what is the primary role of a 'Notary' node?

Accepted Answer

Preventing double-spend by uniquely validating transaction inputs

Answer

Notary nodes in Corda validate the uniqueness of transaction inputs, preventing double-spending without requiring global broadcast of transaction data.

Question 3

What consensus mechanism does Hyperledger Fabric use by default in its ordering service?

Accepted Answer

Raft

Answer

Hyperledger Fabric's default ordering service uses Raft, a crash fault-tolerant (CFT) consensus algorithm suitable for enterprise environments.

Question 4

Which enterprise blockchain platform is based on Ethereum but is optimized for private/permissioned deployments and is maintained by ConsenSys?

Accepted Answer

Hyperledger Besu

Answer

Hyperledger Besu is an Ethereum client maintained by ConsenSys (now also under Hyperledger) that supports both public Ethereum and private/permissioned networks.

Question 5

In Hyperledger Fabric, what is a 'Channel' used for?

Accepted Answer

Creating a private subnet with its own ledger shared only among specific members

Answer

Channels in Hyperledger Fabric create private communication subnets with their own ledger, allowing subsets of network members to transact privately.

CBCP - Certified Blockchain Professional Practice Test

CBCP - Certified Blockchain Professional Practice Test

CBCP Enterprise Blockchain Platforms 2