File System Basics MCQ | Node.js FS Module Basics Multiple Choice Questions

Direction: Choose the correct option

Which module is used for file operations in Node.js?

A. file

B. filesystem

C. fs

D. io

Direction: Choose the correct option

What is the difference between `fs.readFile()` and `fs.readFileSync()`?

A. `readFile` is asynchronous, `readFileSync` is synchronous

B. `readFile` is for small files only

C. One reads text files, the other reads binary

D. There is no difference

Direction: Choose the correct option

How do you include the `fs` module in your script?

A. const fs = require('fs');

B. include('fs');

C. import fs from 'fs';

D. Both A and B are valid (depending on module system)

Direction: Choose the correct option

What does `fs.writeFile()` do?

A. Reads a file

B. Writes data to a file (replacing if exists)

C. Deletes a file

D. Appends data to a file

Direction: Choose the correct option

In `fs.readFile`, what does the callback function receive?

A. An error object and the file data

B. The file descriptor

C. Only an error object

D. Only the file contents

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