Node.js Online Quiz

Q 1 - How Node based web servers are different from traditional web servers?

A - Node based server process request much faster than traditional server.

B - Node based server uses a single threaded model and can services much larger number of requests than traditional server like Apache HTTP Server.

C - There is no much difference between the two.

D - None of the above.

Q 2 - What is use of Underscore Variable in REPL session?

A - to get the last command used.

B - to get the last result.

C - to store the result.

D - None of the above.

Q 3 - Which of the following is true about EventEmitter.emit property?

A - emit property is used to locate an event handler.

B - emit property is used to bind a function with the event.

C - emit property is used to fire an event.

D - None of the above.

Q 4 - Which method of fs module is used to open a file?

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

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

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

D - None of the above.

Q 5 - Which of the following is true about global objects in Node applications?

A - Global objects are global in nature and they are available in all modules.

B - Global objects are nore required to be included in application, rather they can be used directly.

C - Both of the above.

D - None of the above.

Q 6 - Which of the following code print the name of operating system?

A - console.log('type : ' + os.type);

B - console.log('type : ' + os.type());

C - console.log('type : ' + os.getType());

D - None of the above.

Q 7 - Which of the following code print the total system memory of operating system?

A - console.log('total memory : ' + os.totalmem() + " bytes.");

B - console.log('total memory : ' + os.totalmem + " bytes.");

C - console.log('total memory : ' + os.getTotalMemory() + " bytes.");

D - None of the above.

Q 8 - net.isIP(input) tests if input is an IP address or not.

A - true

B - false

Q 9 - What REST stands for?

A - REpresentational State Transfer

B - Resource Efficient State Transfer

C - Real Elegant State Transfer

D - Resource Elegant State Transfer

Q 10 - A stream fires end event when there is no more data to read.

A - true

B - false