HFCP 試験問題を無料オンラインアクセス

What is the difference between chaincode, transaction, and block events?

• A.Use setEvent, setTransactionEvent, setBlockEvent to emit chaincode, transaction and block events in the chaincode.
• B.Chaincode events must be programmed in the smart contract, transaction and block events work out of the box
• C.They are pretty much the same both regarding functionality and programming effort as well.
• D.Block events must be programmed in the smart contract, chaincode events work out of the box.

Which ordering does Pluggable Consensus support for Hyperledger Fabric?

• A.BFT (Byzantine Fault-Tolerant) only
• B.CFT (Crash Fault Tolerant) only
• C.PCFT (Pure Crash Fault-Tolerant)
• D.Proof of BFT (Byzantine Fault-Tolerant)

An enterprise blockchain is a permission blockchain node distributed to whom?

• A.Member organizations
• B.Nodes distributed with a validator
• C.Nodes distributed on a public Blockchain
• D.Administration data center

For an endorsed transaction, the gateway service forwards the transaction to the ordering service, which orders it with other endorsed transactions and then completes what?

• A.Sends the transaction to the endorsement phase.
• B.Broadcasts the transaction to all peers in the channel.
• C.Sends the transaction to the validation phase.
• D.Packages all endorsed transactions into a block.

Each peer in the Hyperledger Fabric network hosts a copy of the ledger, which also belongs to what component?

• A.The membership services
• B.The Ordering node
• C.The NoSQL databases
• D.A member channel