In Hardhat, how do you execute a custom script, such as a deployment script?

npx hardhat script scripts/deploy.js

npx hardhat execute scripts/deploy.js

npx hardhat run scripts/deploy.js

How do you install and use a plugin in a Hardhat project?

Run a special command to activate the plugin

Install the npm package and require it in hardhat.config.js

Add the plugin to the migrations folder

Copy the plugin files into the contracts directory

In Hardhat, which command deploys contracts to a local network?

npx hardhat deploy --network localhost

npx hardhat send --network localhost

npx hardhat run scripts/deploy.js --network localhost

npx hardhat migrate --network localhost

A developer needs to run a custom deployment script in a Truffle project that deploys a contract and then calls a function on it. The script should be executed against the `ropsten` network. Which command is correct?

`truffle run scripts/deploy.js --network ropsten`

`truffle exec scripts/deploy.js --network ropsten`

`node scripts/deploy.js --network ropsten`

`truffle migrate --network ropsten` with the script placed in the `migrations/` folder.

A developer wants to use a Hardhat plugin that is not part of the Hardhat Toolbox. They have installed the plugin package. What is the next step to make it available in their project?

Place the plugin file in the `plugins/` directory and it will be loaded automatically.

Add the plugin name to the `plugins` array in `hardhat.config.js`.

Add `require('plugin-name')` at the top of `hardhat.config.js`.

Run `npx hardhat use plugin-name` to activate it.

EC-CouncilBlockchain Developer Certification

Domain 6Objective 1

Blockchain Development Frameworks (Truffle, Hardhat) BDC Practice Questions (Page 1)

Part of the Development Tools, Web3, and dApps domain, which makes up ~11% of our current practice bank.

51questions here

11free pages

12concepts

12 Concepts in This Objective

Truffle Overview
Hardhat Overview
Project Setup with Truffle
Project Setup with Hardhat
Writing and Compiling Smart Contracts
Deploying Smart Contracts
Testing Smart Contracts
Debugging and Error Handling
Scripts and Automation
Environment and Network Management
Plugins and Extensions
Integration with Web3 and dApps

Questions 1–5

1foundation · easy
In Hardhat, how do you execute a custom script, such as a deployment script?
Select an answer first
2foundation · easy
How do you install and use a plugin in a Hardhat project?
Select an answer first
3foundation · easy
In Hardhat, which command deploys contracts to a local network?
Select an answer first
4application · medium
A developer needs to run a custom deployment script in a Truffle project that deploys a contract and then calls a function on it. The script should be executed against the `ropsten` network. Which command is correct?
Select an answer first
5application · easy
A developer wants to use a Hardhat plugin that is not part of the Hardhat Toolbox. They have installed the plugin package. What is the next step to make it available in their project?
Select an answer first

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