
- 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 1In which of the following areas, Node.js is not advised to be used?
B - JSON APIs based Applications
Answer : C
Explanation
It is not advisable to use Node.js for CPU intensive applications.
Answer : B
Explanation
By default, npm installs any dependency in the local mode.
Q 3 - Buffer class is a global class and can be accessed in application without importing buffer module.
Answer : A
Explanation
Buffer class is a global class and can be accessed in application without importing buffer module.
Q 4 - Which method of fs module is used to read a file?
A - fs.open(path, flags[, mode], callback)
B - fs.openFile(path, flags[, mode], callback)
Answer : D
Explanation
fs.read(fd, buffer, offset, length, position, callback) is the method which is used to read a file.
Q 5 - Which method of fs module is used to remove a directory?
A - fs.deleteDirectory(path[, mode], callback)
Answer : B
Explanation
fs.rmdir(path, callback) is the method which is used to remove a directory.
Q 6 - Which of the following code prints memory usage?
A - console.log(process.memoryUsage());
B - console.log('Current version: ' + process.memory());
Answer : A
Explanation
process.memoryUsage() can be used to get the memory usage.
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 exec methd of child_process module.
A - The exec() method runs a command in a shell and buffers the output.
Answer : D
Explanation
child_process.exec method runs a command in a shell and buffers the output. It returns a buffer with a max size and waits for the process to end and tries to return all the buffered data at once.
Q 10 - Which of the following is true about RESTful webservices?
A - Webservices based on REST Architecture are known as RESTful web services.
B - Webservices uses HTTP methods to implement the concept of REST architecture.
Answer : C
Explanation
Webservices based on REST Architecture are known as RESTful web services. These webservices uses HTTP methods to implement the concept of REST architecture.