NPM Quiz

To pass the quiz, you must correctly answer at least 18 of the 20 questions below. # --quizzes-- ## --quiz-- ### --question-- #### --text-- What does npm provide for developers? #### --distractors-- A curated platform that only hosts design assets like fonts and icons. --- A hosting service that automatically deploys your project to the cloud. --- A database solution that manages user records for your apps. #### --answer-- A registry of prebuilt software packages that solves common problems. ### --question-- #### --text-- Which of the following is not one of the three parts npm refers to? #### --distractors-- The website npmjs.com. --- The package registry where libraries are stored. --- The command-line tool for installing and managing packages. #### --answer-- The Node.js runtime. ### --question-- #### --text-- What does the `npm install` command do? #### --distractors-- It scaffolds a brand-new Node.js project from a template. --- It runs your Node.js application on a local development server. --- It removes packages that are no longer needed in your project. #### --answer-- It adds prebuilt packages to your project for common tasks. ### --question-- #### --text-- Which file stores metadata like project name, version, author, and dependencies for a Node.js project? #### --distractors-- `README.md`. --- `node_modules/package.json`. --- `package-lock.json`. #### --answer-- `package.json`. ### --question-- #### --text-- How can you interactively create a `package.json` file? #### --distractors-- Run `npm install` without specifying a package name. --- Download a template from the npm registry homepage. --- Copy the file from another project and rename it. #### --answer-- Run the `npm init` command. ### --question-- #### --text-- How do you create a `package.json` file with default values without answering prompts? #### --distractors-- Run `npm init --interactive`. --- Create a blank file named `package.json` and leave it empty. --- Use `npm init` and delete every prompt after opening the editor. #### --answer-- Run `npm init -y` (or `npm init --yes`) to accept all defaults automatically. ### --question-- #### --text-- Where does npm list packages that are only needed while developing, such as linters or test runners? #### --distractors-- Inside the `"dependencies"` section. --- Inside the `"scripts"` section under custom commands. --- Within the `node_modules` folder itself. #### --answer-- Inside the `"devDependencies"` section of `package.json`. ### --question-- #### --text-- Which command installs `nodemon` as a development-only dependency? #### --distractors-- `npm uninstall nodemon`. --- `npm save nodemon --dev`. --- `npm install nodemon`. #### --answer-- `npm install nodemon -D`. ### --question-- #### --text-- Which folder and file are added to your project root after installing a dependency? #### --distractors-- `public` folder and `index.html`. --- `dist` folder and `webpack.config.js`. --- `src` folder and `README.md`. #### --answer-- `node_modules` folder and `package-lock.json` file. ### --question-- #### --text-- How does `package-lock.json` help keep builds consistent? #### --distractors-- By deleting unused dependencies before every install. --- By storing only the major version numbers of packages. --- By automatically upgrading packages to their latest releases. #### --answer-- By freezing the exact versions of every dependency that were installed. ### --question-- #### --text-- Why should you commit `package-lock.json` to your Git repository? #### --distractors-- To make npm run faster on a developer’s machine. --- To automatically update outdated dependencies. --- To reduce the repository size. #### --answer-- So the whole team installs the same dependency versions and setup. ### --question-- #### --text-- How do you install a specific version of a package, like `express@4.21.2`? #### --distractors-- `npm update express@4.21.2`. --- `npm get express@4.21.2`. --- `npm use express@4.21.2`. #### --answer-- `npm install express@4.21.2`. ### --question-- #### --text-- What does the caret (`^`) symbol allow when specifying dependency versions? #### --distractors-- It locks the dependency to an exact patch version. --- It allows updates to the major version only. --- It excludes all versions below the specified one. #### --answer-- It permits newer minor and patch versions but blocks new major releases. ### --question-- #### --text-- What does the tilde (`~`) symbol mean in a version range like `~1.2.3`? #### --distractors-- It allows updates to both major and minor versions. --- It installs the newest major version regardless of the range. --- It prevents npm from installing any updates at all. #### --answer-- It allows updates to the patch version only while keeping the minor version fixed. ### --question-- #### --text-- What kind of changes trigger a major version bump in semantic versioning? #### --distractors-- Minor stylistic tweaks to comments and formatting. --- Small bug fixes that don’t change behavior. --- Optional features that don’t break existing code. #### --answer-- Breaking changes that can cause existing code to stop working. ### --question-- #### --text-- Which command lists dependencies that have newer published versions? #### --distractors-- `npm check`. --- `npm list`. --- `npm refresh`. #### --answer-- `npm outdated`. ### --question-- #### --text-- Yarn, PNPM, and Bun are mentioned as alternatives to npm. What kind of tools are they? #### --distractors-- Registry websites where you publish or download npm packages. --- Database services that store user data for npm packages. --- Cloud hosting platforms that auto-deploy npm projects. #### --answer-- Alternative package managers. ### --question-- #### --text-- Where are custom npm scripts declared in a project? #### --distractors-- Inside the `.npmrc` file. --- Within the `"dependencies"` section of `package.json`. --- In a separate `scripts.json` file at the root. #### --answer-- Inside the `"scripts"` object of `package.json`. ### --question-- #### --text-- How do you execute a custom npm script named `build`? #### --distractors-- `build npm`. --- `node build`. --- `run build`. #### --answer-- `npm run build`. ### --question-- #### --text-- What does the double hyphen (`--`) do when running `npm run start -- 8000`? #### --distractors-- It silences the script output. --- It forces npm to run the script in parallel. --- It requests administrative privileges before executing the script. #### --answer-- It tells npm to forward everything after `--` as arguments to the underlying command.