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How do you handle sessions in Node.js?

Using the express-session middleware
Using the session module
Using the cookie-parser middleware
All of the above

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What is npm in Node.js?

Node Package Manager
Node Programming Module
New Project Manager
None of the above

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Which of the following is a built-in HTTP module in Node.js?

request
fetch
http
axios

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What does the __dirname variable represent in Node.js?

The current file's directory
The root directory of the project
The parent directory of the current file
The home directory of the user

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What does the os module provide in Node.js?

Methods for handling file system operations
Methods for interacting with the operating system
Methods for parsing URLs
Methods for handling HTTP requests and responses

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What does the term "middleware" refer to in Node.js?

Software components that execute in a specific order
Functions that have access to the request and response objects
External libraries used to handle routing
Modules imported using require()

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What is the purpose of the stream module in Node.js?

To handle streams of data
To create web servers
To manipulate arrays
To handle HTTP requests and responses

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What is the purpose of the path module in Node.js?

To handle HTTP requests and responses
To manipulate file paths
To handle file uploads
To create child processes

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Which method is used to remove a directory in Node.js?

fs.deleteDir()
fs.removeDir()
fs.rmdir()
fs.unlink()

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What does the url.parse() method do in Node.js?

Parses URL strings into URL objects
Parses query strings into key-value pairs
Parses JSON strings into JavaScript objects
None of the above

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What does the require.resolve() method do in Node.js?

Resolves a module's path
Resolves a module's dependencies
Resolves a module's exports
Resolves a module's version

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Which method is used to extract file extension in Node.js?

fs.getExtension()
fs.extname()
fs.getFileExtension()
fs.fileExtension()

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What does the http.createServer() method return in Node.js?

An HTTP request object
An HTTP response object
An HTTP server object
An HTTP client object

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Which module is used to handle file system operations in Node.js?

fs
path
os
util

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Which of the following is NOT a built-in module in Node.js?

fs
http
express
os

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How do you handle cookies in Node.js?

Using the cookie-parser middleware
Using the cookies module
Using the express framework
All of the above

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What is the purpose of the cluster module in Node.js?

To handle clustering of processes
To handle cryptographic functions
To manipulate arrays
To create web servers

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How can you install a Node.js package globally?

Using npm install -g <package-name>
Using npm install --global <package-name>
Using npm install --g <package-name>
Using npm global install <package-name>

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Which method is used to execute shell commands in Node.js?

child_process.exec()
child_process.spawn()
child_process.fork()
child_process.shell()

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How do you handle file uploads in Node.js?

Using the http module
Using the fs module
Using the express framework
All of the above

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What is the purpose of the child_process module in Node.js?

To handle child processes
To interact with the file system
To create HTTP servers
To manipulate arrays

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Which method is used to get the current working directory in Node.js?

fs.getcwd()
fs.cwd()
process.cwd()
process.getwd()

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Which method is used to read from a file asynchronously in Node.js?

fs.read()
fs.readFile()
fs.open()
fs.readFileSync()

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What does the EventEmitter class do in Node.js?

Emits events asynchronously
Handles HTTP requests
Provides encryption functions
Converts callback functions to promises

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Which Node.js method is used to handle asynchronous operations?

sync()
await()
async()
callback()

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How do you delete a file in Node.js?

Using the fs.delete() method
Using the fs.unlink() method
Using the fs.remove() method
Using the fs.deleteFile() method

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How do you install all dependencies listed in a package.json file?

Using npm install
Using npm install --save
Using npm install --all
Using npm install --dependencies

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How do you handle errors in Node.js asynchronous operations?

Using try-catch blocks
Using callback functions
Using promises
All of the above

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What is the purpose of the util module in Node.js?

To perform mathematical operations
To handle file system operations
To provide utility functions
To create web servers

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Which method is used to create a directory in Node.js?

fs.mkdir()
fs.createDir()
fs.newDir()
fs.makeDir()

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