Explore topic-wise MCQs in Technical Programming.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.

1.

A stream fires end event when there is no more data to read.
A. true
B. false
Answer» B. false
Discussion
2.

Which of the following code can make a request to a web server?
A. http.request(options, callback)
B. http.createRequest(options, callback)
C. http.makeRequest(options, callback)
D. None of the above
Answer» B. http.createRequest(options, callback)
Discussion
3.

Which of the following is true about internal binding with respect to domain module?
A. Error emmitter is executing its code within run method of a domain
B. Error emmitter is added explicitly to a domain using its add method.
C. Both of the above.
D. None of the above
Answer» B. Error emmitter is added explicitly to a domain using its add method.
Discussion
4.

Which of the following is the correct way to get an extension of a file?
A. fs.extname(main.js)
B. path.extname(main.js)
C. os.extname(main.js)
D. None of the above.
Answer» C. os.extname(main.js)
Discussion
5.

Which of the following code print the endianness of operating system?
A. console.log(endianness : + os.endianness);
B. console.log(endianness : + os.endianness());
C. console.log(endianness : + os.endianness());
D. None of the above.
Answer» C. console.log(endianness : + os.endianness());
Discussion
6.

Which of the following is true about setInterval(cb, ms) global function?
A. The setInterval(cb, ms) global function is used to run callback cb repeatedly after at least ms milliseconds.
B. The setInterval(cb, ms) method returns an opaque value that represents the timer which can be used to clear the timer using the function clearInterval(t).
C. Both of the above.
D. None of the above.
Answer» D. None of the above.
Discussion
7.

Which of the following is true about readable stream?
A. Readable stream is used for read operation.
B. Output of readable stream can be input to a writable stream.
C. Both of the above.
D. None of the above.
Answer» D. None of the above.
Discussion
8.

What is use of Underscore Variable in REPL session?
A. to get the last command used.
B. to get the last result.
C. to get the last result.
D. to get the last result.
Answer» C. to get the last result.
Discussion