Node.js Test Set 1

Node based server uses a single threaded model and can serve much larger number of requests compared to any traditional server like Apache HTTP Server. ✘ Node based server process request much faster than traditional server. ✘ There is no much difference between the two. ✘ All of these ✔

Node.js synchronous default ✘ Node.js multi-threaded default ✘ Node.js asynchronous default ✘ None of these ✔

When all data has been flushed to underlying system. ✘ When there is any error receiving or writing data. ✘ When all data has been flushed to DIRT ✘ None of these ✔

Os module ✘ Path module ✘ Fs module ✘ None of these ✔

The setTimeout(cb, ms) global function is used to run callback cb after at least ms milliseconds. ✘ The setTimeout(cb, ms) function returns an opaque value that represents the timer which can be used to clear the timer. ✘ Both of these ✘ None of these ✔

os module ✘ fs module ✘ net module ✘ None of these ✔

By using module.expose ✘ By using module ✘ By using module.exports ✘ All of these ✔

Console is used in synchronous way when destination is file or a terminal. ✘ There are built-in methods to be used for printing informational, warning and error messages in console. ✘ Console is used in asynchronous way when destination is a pipe. ✘ All of these ✔

On property is used to fire event. ✘ On property is not used to bind a function with the event. ✘ On property is used to locate an event handler. ✘ All of these ✔

to get the last command used. ✘ to get the last result. ✘ Both of these ✘ None of these ✔