Nodejs Set 1

b1.toJSON() ✘ b1.json() ✘ b1.convertToJson() ✘ b1.jsonify() ✔

buff2.length ✘ buff2.size ✘ buff2.length() ✘ buff2.size() ✔

app.use(express.bodyParser()); app.post('/', function(r1, r2){ console.log(r1.body.user); }); ✘ app.get(express.bodyParser()); app.post('/', function(r1, r2){ console.log(r1.body.user); }); ✘ Both of these ✘ None of these ✔

It is a phenomenon in which the output of one stream is provided as the input to another stream. ✘ It is used to get the stream data from one stream and pass the output of that stream to another stream. ✘ There is no limit on piping operations. ✘ All of these ✔

It is a phenomenon that joins the output of one stream to another stream and makes a chain of multiple stream operations. ✘ It is normally used with piping operations. ✘ Both of these ✘ None of these ✔

var fs = require("ab"); ✘ var fs = import("ab"); ✘ package ab; ✘ import ab; ✔

Node executes file I/O with the help of simple wrappers around standard POSIX functions. ✘ The Node File System (fs) module should be parsed for file I/O operations. ✘ Both of these ✘ None of these ✔

fs.open(path, flags[, mode], callback) ✘ fs.stat(path, callback) ✘ fs.readFile(path, flags[, mode], callback) ✘ None of these ✔

fs.open(path, flags[, mode], callback) ✘ fs.openFile(path, flags[, mode], callback) ✘ fs.openPath(path, flags[, mode], callback) ✘ None of these ✔

Less blocking calls ✘ It has a broad concurrency user. ✘ It is faster. ✘ All of these ✔