Blockchain Development Frameworks (Truffle, Hardhat) BDC Practice Questions (Page 6)

Questions 26–30

1. 26foundation · easy

   Which library is commonly used in Truffle and Hardhat projects to interact with smart contracts from JavaScript?

   • AReact.js
   • BAxios
   • CExpress.js
   • DWeb3.js or Ethers.js
   Reveal Solution Discussion Select an answer first
2. 27foundation · easy

   In a default Hardhat project, which file contains the main configuration settings?

   • Atruffle-config.js
   • Bhardhat.config.js
   • Chardhat.json
   • Dpackage.json
   Reveal Solution Discussion Select an answer first
4. 28foundation · easy

   In Truffle, what is the purpose of the `migrations/` directory?

   • ATo store test files for the contracts
   • BTo store deployment scripts that define how contracts are deployed
   • CTo store frontend code for the dApp
   • DTo store compiled contract artifacts
   Reveal Solution Discussion Select an answer first
5. 29foundation · easy

   In Hardhat, which command compiles the smart contracts in the project?

   • Anpx hardhat test
   • Bnpx hardhat build
   • Cnpx hardhat compile
   • Dnpx hardhat run
   Reveal Solution Discussion Select an answer first
6. 30foundation · easy

   Which Truffle command opens an interactive debugger to step through transactions?

   • Atruffle analyze <transaction-hash>
   • Btruffle debug <transaction-hash>
   • Ctruffle trace <transaction-hash>
   • Dtruffle inspect <transaction-hash>
   Reveal Solution Discussion Select an answer first