node day02

What does require() do in Node.js?

• Defines a module

• Loads a module

• Deletes a module

• Compiles a module

Which keyword is used to export functions in Node.js?

• export

• exports

• module.exports

• define

When using module.exports, what happens if we assign a new object directly?

• It overrides the previous object

• It merges with the existing object

• It adds a new property to exports

• It causes an error

How do you import a local module named utility.js?

• import 'utility.js'

• require('./utility')

• include 'utility.js'

• module.load('utility.js')

What is the default encoding for fs.readFile()?

How do you write to a file without overwriting its content?

• fs.writeFile(filename, data)

• fs.appendFile(filename, data)

• fs.addFile(filename, data)

• fs.saveFile(filename, data)

Which function checks if a file exists?

What does path.join('/folder', 'file.txt') return?

• /folder/file.txt

• \folder\file.txt

• folder\file.txt

• folder/file.txt

How do you get the file extension from a path?

• path.extname(filePath)

• path.getExtension(filePath)

• path.basename(filePath)

• path.extension(filePath)

Which method returns the system's hostname?

• os.systemName()

• os.hostname()

• os.getHostName()

• os.getHostname()