File System Advanced MCQ | Node.js Advanced FS Operations Multiple Choice Questions

Direction: Choose the correct option

What is a file descriptor in Node.js?

A. A string representing the file path

B. A buffer containing file data

C. A boolean indicating file existence

D. An integer uniquely identifying an open file

Direction: Choose the correct option

Which method is used to open a file and get a file descriptor?

A. fs.open()

B. fs.openFile()

C. fs.createDescriptor()

D. fs.getFD()

Direction: Choose the correct option

What does the flag 'r' mean in `fs.open()`?

A. Read mode

B. Append mode

C. Write mode

D. Create mode

Direction: Choose the correct option

Which method is used to change file permissions?

A. fs.chown()

B. fs.permission()

C. fs.setMode()

D. fs.chmod()

Direction: Choose the correct option

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

A. To read large files efficiently in chunks

B. To read a file line by line

C. To read a file synchronously

D. To create a new file

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