Node JS

Node JS Knowledge Challenge

Test your understanding of Node JS with our engaging quiz designed to challenge your knowledge and skills. Whether you are a beginner or an experienced developer, this quiz will help you reinforce your learning.

Tackle questions on:

Node JS commands
File system operations
RESTful services
Event handling

10 Questions2 MinutesCreated by CodingGuitar42

Which of following command starts a REPL session?

A) $ node

B) $ node start

C) $ node repl

D) $ node console

Which method of fs module is used to read a file?

A) fs.open(path, flags[, mode], callback)

B) fs.openFile(path, flags[, mode], callback)

C) fs.openPath(path, flags[, mode], callback)

D) fs.read(fd, buffer, offset, length, position, callback)

Which of the following is true about __filename global object?

A) The __filename represents the filename of the code being executed.

B) The __filename represents the resolved absolute path of code file.

C) Both of the above.

D) None of the above.

Which of the following code prints current directory?

A) console.log('Current directory: ' + process.cwd());

B) console.log('Current directory: ' + console.cwd());

C) console.log('Current directory: ' + process.currenWorkingDirectory());

D) None of the above.

Which of the following module is required for path specific operations?

A) os module

B) fs module

C) path module

D) path module

Which of the following stands true for dns.lookup(hostname[, options], callback) method?

A) Resolves a hostname (e.g. 'google.com') into the first found A (IPv4) or AAAA (IPv6) record.

B) If options is not provided, then IP v4 and v6 addresses are both valid. If options is an integer, then it must be 4 or 6.

C) Both of the above.

D) None of the above.

What REST stands for?

A) REpresentational State Transfer

B) Resource Efficient State Transfer

c) Real Elegant State Transfer

D) Resource Elegant State Transfer

Node JS

Node JS Knowledge Challenge

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