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
Which of following command starts a REPL session?
A) $ node
B) $ node start
C) $ node repl
D) $ node console
By default, npm installs any dependency in the global mode.
A) true
B) false
Which of the following provides in-built events.
A) events
B) callback
C) throw
D) handler
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
Each type of Stream is an EventEmitter.
A) true
B) false
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