CBDE 무료 덤프문제 온라인 액세스

Which is the right order for Denominations?

• A.Finney, Szabo, Mether, Gwei.
• B.Gwei, Szabo, Finney, Ether.
• C.Wei, Finney, Szabo, Ether, Tether.

When using assert to check invariants and it evaluates to false:

• A.all remaining gas is returned.
• B.all gas is consumed.

For Rapid Development Cycles it's good:

• A.to use a private network at all times, because this is the closest you get to the real network.
• B.to deploy to the main-network as quickly as possible.
• C.to use in-memory blockchain simulations, because mining works instantaneously.

Gas costs accrue on sending a transaction:

• A.only with a new smart contract deployment.
• B.no matter the content.
• C.only interacting with an already deployed smart contract.

To get most out of the blockchain, it is best:

• A.to use it for the whole business logic. It's always best to have everything in once place.
• B.to use it only for things which need the benefits of the blockchain.