Node.js Online Test

1. Use gzip compression

2. Don’t use synchronous functions

3. Do logging correctly

4. Handle exceptions properly

Correct Answer : A

1. fs.close(fd, callback)

2. fs.closeFile(fd, callback)

3. fs.closePath(fd, callback)

4. None of the above.

Correct Answer : A

1. on property is used to fire event.

2. on property is used to bind a function with the event.

3. on property is used to locate an event handler.

4. None of the above.

Correct Answer : B

1. fs

2. url

3. connect

4. http

Correct Answer : D

1. Node.js is a web server.

2. Node.js is a JavaScript based framework/platform built on Google Chrome's JavaScript V8 Engine.

3. Node.js is a java based framework.

4. None of the above.

Correct Answer : B

1. Express.js

2. Geddy

3. Locomotive

4. All of the above

Correct Answer : D

1. Windows

2. Macintosh

3. Unix/Linux

4. All of the above

Correct Answer : D

1. Node.JS internally converts JavaScript code to Java based code and then execute the same

2. Node.JS internally converts JavaScript code to C based code and then execute the same

3. Being built on Google Chrome's V8 JavaScript Engine

4. None of the above

Correct Answer : C

1. NoSQL databases

2. Relational databases

3. All of the above

4. None of the above

Correct Answer : C

1. Chanining is a mechanism to connect output of one stream to another stream and create a chain of multiple stream operations

2. Chanining is normally used with piping operations

3. Both of the above

4. None of the above

Correct Answer : C

1. path.join('/test', 'test1', '2slashes/1slash', 'tab', '..')

2. path.combine('/test', 'test1', '2slashes/1slash', 'tab', '..')

3. buffer.join('/test', 'test1', '2slashes/1slash', 'tab', '..')

4. None of the above

Correct Answer : A

1. Node being a single thread, and uses async function calls to maintain the concurrency

2. Every API of Node js are asynchronous

3. Node thread keeps an event loop and whenever any task get completed, it fires the corresponding event which signals the event listener function to get executed

4. All of these

Correct Answer : A

1. Express.js

2. GruntJS

3. NPM

4. None of the above

Correct Answer : B

1. strings

2. string patterns

3. regular expressions

4. All of above

Correct Answer : D

1. It provides an easy way to build scalable network programs

2. Generally fast

3. Great concurrency

4. All of these

Correct Answer : D

1. Webservices based on REST Architecture are known as RESTful web services

2. Webservices uses HTTP methods to implement the concept of REST architecture

3. Both of the above

4. None of the above

Correct Answer : C

1. nodejs sample.js

2. node sample.js

3. sample.js

4. None of the above

Correct Answer : B

1. Using require() function

2. Using module.import

3. Using include() function

4. Using app.use() function

Correct Answer : A

1. The __dirname represents the name of the directory that the currently executing script resides in

2. The __dirname represents the resolved absolute path of code file

3. Both of the above

4. None of the above

Correct Answer : A

1. True

2. False

Correct Answer : A

1. testing node.js/JavaScript expressions

2. executing browser’s JavaScript expressions

3. the preview of node.js application

4. None of the above

Correct Answer : A

1. $ npm --version

2. $ node --version

3. $ npm getVersion

4. $ node getVersion

Correct Answer : A

1. Module

2. Library

3. Package

4. Function

Correct Answer : A

1. EventEmitter

2. Events

3. NodeEvent

4. None of the above

Correct Answer : A

1. process module

2. child_process module

3. child module

4. web module

Correct Answer : B

1. Global

2. Local

3. Global Function

4. Local to object

Correct Answer : B

1. JavaScript

2. Java

3. C++

4. C#

Correct Answer : A

1. Synchronous

2. Multi-threaded

3. Asynchronous

4. None of the above

Correct Answer : A

1. $ npm install express

2. $ node install express

3. $ install express

4. None of above

Correct Answer : A

1. True

2. False

Correct Answer : A