最新的Blockchain BTA Certified Blockchain Solution Architect - CBSA免費考試真題

A. calcDifficultyvalidator.go

B. calcDifficultyFrontier

C. block_validator.go

D. calcDifficultyHomestead

A. OXR Gate

B. AND Gate

C. NAND Gate

D. XOR Gate

A. None of the above

B. They must use ERC20 standard for the token, clone the Ethereum Virtual Machine, then launch a series of nodes

C. They must use ERC20 standard for the token and can use any open source blockchain tool/system to launch a series of nodes

D. They can both create their own cryptocurrency and launch their own blockchain network with any common open source blockchain tool/system

A. Block number

B. Timestamp

C. Release date

D. Difficulty

A. They provide added security over off-chain transaction code on other blockchain networks

B. They are Turing complete and deterministic in nature

C. Any flaw discovered in their code can quickly be updated and redeployed

D. Because they are compiled into bytecode they cannot be used in an unintended manner

A. 10, 19

B. 10, 18

C. 10, 20

D. 10, 29

A. A series of nodes managed by a genesis node

B. A distributed network centralized ledgers

C. A centralized network

D. A decentralized peer-to-peer network

A. None of the above

B. Both of these ordering sequences can occur

C. 1. User uses Dapp/web3 to start transaction2. User signs the transaction with their private key3.
Transaction validated on locally running node4. Transaction broadcast to entire network5. Miners choose to accept or pass on the transaction6. Miner takes each accepted transaction and writes it to the current block

D. 1. User uses Dapp/web3 to start transaction2. Transaction broadcast to entire network3. If accepted by the network, user signs transaction with private key4. Miners choose to accept or pass on the transaction5. Miner takes each accepted transaction and writes it to the current block