Writing Files MCQ | Node.js File Writing Multiple Choice Questions

Direction: Choose the correct option

Which method writes data to a file, replacing the file if it exists?

A. fs.write()

B. fs.writeFile()

C. fs.appendFile()

D. fs.createWriteStream()

Direction: Choose the correct option

How do you append data to an existing file?

A. fs.writeFile() with flag 'a'

B. fs.createWriteStream() with flag 'a'

C. All of the above

D. fs.appendFile()

Direction: Choose the correct option

What flag should be used with `fs.open()` to open a file for writing (creating if it doesn't exist)?

A. 'w'

B. 'wx'

C. 'r'

D. 'a'

Direction: Choose the correct option

In `fs.writeFile`, what happens if the parent directory doesn't exist?

A. The file is created

B. The operation is ignored

C. An error occurs

D. The directory is created automatically

Direction: Choose the correct option

What is the purpose of `fs.createWriteStream()`?

A. To write large amounts of data efficiently

B. To write synchronously

C. To write a single string

D. To append data only

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