- Node.js - Home
- Node.js - Introduction
- Node.js - Environment Setup
- Node.js - First Application
- Node.js - REPL Terminal
- Node.js - Command Line Options
- Node.js - Package Manager (NPM)
- Node.js - Callbacks Concept
- Node.js - Upload Files
- Node.js - Send an Email
- Node.js - Events
- Node.js - Event Loop
- Node.js - Event Emitter
- Node.js - Debugger
- Node.js - Global Objects
- Node.js - Console
- Node.js - Process
- Node.js - Scaling Application
- Node.js - Packaging
- Node.js - Express Framework
- Node.js - RESTFul API
- Node.js - Buffers
- Node.js - Streams
- Node.js - File System
- Node.js MySQL
- Node.js - MySQL Get Started
- Node.js - MySQL Create Database
- Node.js - MySQL Create Table
- Node.js - MySQL Insert Into
- Node.js - MySQL Select From
- Node.js - MySQL Where
- Node.js - MySQL Order By
- Node.js - MySQL Delete
- Node.js - MySQL Update
- Node.js - MySQL Join
- Node.js MongoDB
- Node.js - MongoDB Get Started
- Node.js - MongoDB Create Database
- Node.js - MongoDB Create Collection
- Node.js - MongoDB Insert
- Node.js - MongoDB Find
- Node.js - MongoDB Query
- Node.js - MongoDB Sort
- Node.js - MongoDB Delete
- Node.js - MongoDB Update
- Node.js - MongoDB Limit
- Node.js - MongoDB Join
- Node.js Modules
- Node.js - Modules
- Node.js - Built-in Modules
- Node.js - Utility Modules
- Node.js - Web Module
Node.js Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Node.js Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - Which of the following statement is valid to use a Node module http in a Node based application?
A - var http = require("http");
Answer : A
Explanation
Require directive is used to load a Node module(http) and store returned its instance(http) into its variable(http).
Answer : A
Explanation
By default, npm installs any dependency in the local mode.
Q 3 - Which of the following is true about EventEmitter.on property?
A - on property is used to fire event.
B - on property is used to bind a function with the event.
Answer : B
Explanation
on property is used to bind a function with the event.
Q 4 - Which method of fs module is used to close a file?
B - fs.closeFile(fd, callback)
Answer : A
Explanation
fs.close(fd, callback) is the method which is used to close a file.
Q 5 - Which of the following is true about clearTimeout(t) global function?
Answer : A
Explanation
The clearTimeout( t ) global function is used to stop a timer that was previously created with setTimeout(). Here t is the timer returned by setTimeout() function.
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());
Answer : B
Explanation
os.type() returns the operating system name.
Q 7 - 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/..')
Answer : A
Explanation
path.normalize(p) normalizes a string path, taking care of '..' and '.' parts.
Q 8 - Which of the following module is required for DNS specific operations?
Answer : A
Explanation
Node.js dns module is used to do actual DNS lookup as well as to use underlying operating system name resolution functionalities.
Q 9 - Which of the following is true about external 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.
Answer : B
Explanation
Error emmitter is added explicitly to a domain using its add method in case of external binding.
Answer : A
Explanation
Duplex stream can be used for both read and write operation.