Blockchain IDEs and Plugins BDC Practice Questions (Page 6)

Questions 26–30

1. 26foundation · easy

   What is the role of a wallet like MetaMask when connected to an IDE like Remix?

   • ATo provide a local blockchain network for testing
   • BTo compile Solidity code into bytecode
   • CTo store the contract's ABI
   • DTo sign transactions and manage accounts for deploying and interacting with contracts
   Reveal Solution Discussion Select an answer first
2. 27foundation · easy

   Which type of IDE plugin would help enforce coding standards and catch potential errors in Solidity code before compilation?

   • AA keymap plugin
   • BA snippet plugin
   • CA theme plugin
   • DA linter plugin
   Reveal Solution Discussion Select an answer first
4. 28application · medium

   A team uses Truffle for a project and needs to deploy to a test network that requires a mnemonic for the deployer account. They also want to verify the deployment by reading a public variable from the deployed contract. Which Truffle configuration and workflow is appropriate?

   • AUse 'truffle develop' to start a local blockchain and then run 'truffle migrate --reset' to deploy to the test network.
   • BConfigure the network in truffle-config.js with the mnemonic, run 'truffle migrate --network <name>', then use 'truffle console' to call the contract's public variable.
   • CAdd the mnemonic to the truffle-config.js 'networks' section and run 'truffle deploy --network <name>', then use 'truffle call' to read the variable.
   • DSet the mnemonic in the .env file and run 'truffle compile --network <name>', then use 'truffle test' to read the variable.
   Reveal Solution Discussion Select an answer first
5. 29foundation · easy

   What is a primary purpose of a blockchain-specific IDE compared to a traditional IDE?

   • ATo replace the need for a version control system like Git in blockchain projects
   • BTo automatically mine cryptocurrency while writing code
   • CTo provide a graphical interface for designing blockchain consensus algorithms
   • DTo provide built-in support for smart contract compilation, deployment, and debugging workflows
   Reveal Solution Discussion Select an answer first
6. 30foundation · easy

   What is the purpose of setting breakpoints in a smart contract debugger?

   • ATo automatically fix all errors in the contract
   • BTo speed up the execution of the contract
   • CTo pause execution at specific lines so you can inspect variables and state
   • DTo deploy the contract to a test network
   Reveal Solution Discussion Select an answer first