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Free CBDE Exam Braindumps (page: 11)

Page 10 of 26
PDF with 102 Questions

You interact with a smart contract and see a gas usage of 50,000 gas with a gas cost of 15Gwei. How much Ether would you have to pay to the miner?

  1. 750,000,000,000,000 Wei
  2. 750,000,000,000 Wei
  3. 750,000,000 Wei
  4. A flat fee of 1 Ether

Answer(s): A



Checking the balance of an address inside a loop of a smart contract constantly:

  1. doesn't cost any gas.
  2. cost gas every time we check the balance.

Answer(s): B



Gas costs accrue on sending a transaction:

  1. no matter the content.
  2. only with a new smart contract deployment.
  3. only interacting with an already deployed smart contract.

Answer(s): A



EVM assembly:

  1. is much better than Solidity and a viable alternative.
  2. can be split across multiple files, but every contract must be in a file with the same name as the contract itself.
  3. is another language similar to LLL, more secure than Solidity.

Answer(s): B






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