Node JS Quiz 3 | Englishfreetest.com

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  • Test content
    Question 1: Which of the following is a GUI-based debugging tool for Node.js?
    A. Core node debugger
    B. Console
    C. REPL
    D. Node Inspector
    Question 2: 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
    Question 3: Which of the following is true about fs module of Node?
    A. Every method in fs module have synchronous as well as asynchronous form
    B. Asynchronous methods of fs module take last parameter as completion function callback and first parameter of the callback function as error
    C. Both of the above
    D. None of the above
    Question 4: Which of the following module is required to create a web server?
    A. url module
    B. net module
    C. http module
    D. web module
    Question 5: Which of the following is the correct way to get a normalized path?
    A. path.normalize('/test/test1//2slashes/1slash/tab/..')
    B. fs.normalize('/test/test1//2slashes/1slash/tab/..')
    C. os.normalize('/test/test1//2slashes/1slash/tab/..')
    D. None of the above
    Question 6: Which of following command starts a REPL session?
    A. $ node
    B. $ node start
    C. $ node repl
    D. $ node console
    Question 7: 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
    Question 8: Which method of fs module is used to get information about file?
    A. fs.open(path, flags[, mode], callback)
    B. fs.stat(path, callback)
    C. fs.readFile(path, flags[, mode], callback)
    D. None of the above
    Question 9: Which method of fs module is used to read a directory?
    A. fs.readDirectory(path[, mode], callback)
    B. fs.read(path[, mode], callback)
    C. fs.readdir(path, callback)
    D. None of the above
    Question 10: Which of the following module is required for operating system specific operations?
    A. os module
    B. fs module
    C. net module
    D. None of the above