Skip to content

Home
About Us
Services
Technology
Success Stories
Product
Our Blog
Contact Us

Home
About Us
Services
Technology
Success Stories
Product
Our Blog
Contact Us

Node.js

Bienvenido al test sobre Node.js. Las instrucciones son sencillas.

Para comenzar pulsa sobre el botón de Iniciar.
Dispones de 15 minutos para responder el mayor número posible de respuestas correctas.
Las preguntas tendrán una única respuesta correcta.
Cuando hayas terminado el test o el tiempo establecido, pulsa el botón Finalizar.

1.

node -p "process.os.cpus"

node -p "process.cpus"

node -p "util.cpus().size"

node -p "os.cpus().length"

None

2.

console.isDate(value)

util.date(value)

util.types.isDate(value)

assert.isDate(value)

None

3.

p24

server running at http://localhost:4000/

server running at http://localhost:3000/

server running at port 3000

server running at http://127.0.0.1:3000/

None

4.

p32

an empty string

ReferenceError: arguments is not defined

undefined

an object representing an array that has five elements

None

5.

exports, process, require, module, __filename, __dirname

exports, require, module, __filename, __dirname

exports, module, __filename, __dirname

exports, __filename, __dirname

None

6.

Use regular expressions directly on the file

Copy the file into a database and perform the operations there

Use readline together with streams to read and transform and write the file contents line by line

Use Promises and async/await to offload the task to libuv

None

7.

resolve4

lookup

reverse

resolve

None

8.

p27

creates an image file

console logs system information

creates a text file hello.txt and appends customized text

creates a file named data and append numbers

None

9.

.break

.history

.save

.editor

None

10.

--debug

--inspect

--dev-tools

--chrome

None

11.

exec("ps", "-ef")

exec("ps -ef")

spawn("ps -ef")

fork("ps -ef")

None

12.

a JavaScript file that can have a .node extension as well as the .js extension

a C++ file that can have a .node extension and that Node will be able to execute directly.

a JSON file that can have a .node extension as well as the .json extension

a C++ Addon file that is built with node-gyp

None

13.

p62

{'John'}

{}

Undefined

John

None

14.

__pathname

__location

__filename

__flder

None

15.

p17

The forked process shares the event loop with the parent process

The forked process shares the same VM thread with the parent process.

The forked process will have its own VM instance.

A new VM instance is created and the two VM instances will be shared between the forked process and the parent process.

None

16.

JavaScript execution in Node.js is single-threaded, but I/O operations are executed using multiple threads

The event loop is single-threaded, but a JavaScript VM can use multiple threads

Every Node process runs in a single thread, and all the I/O work is run in that same thread

Every Node process gets four threads that it can share between its JavaScript VM and the event loop

None

17.

p61

{'Jane'}

{ name: 'Jane' }

{}

Jane

None

18.

node -h

node -v

node index.js -h

node index.js -x

None

19.

only functions

only objects

functions, objects, arrays, or anything you assign to the module

only variables and arrays

None

Nombre

Email

Post navigation

← Previous Quiz

Leave a Reply Cancel reply

You must be logged in to post a comment.

Search for:

Recent Posts

Best development practices: how to ensure software quality
Viviendas Tuteladas
Farm Zero-C
ConnectedFun
VRInstruments

Recent Comments

Adrian on 3 reasons to outsource the IT department
PHP Development on PHP: features, benefits and frameworks
Jasmine on 3 reasons to outsource the IT department
lakshaysharma on Why having a mobile application for your business: benefits and first steps
Sunil Kumar on The most popular PHP frameworks to use in 2022

Archives

Categories

IT Consulting
IT Outsourcing
No category
Software Developement
Success Stories

Meta

Log in
Entries feed
Comments feed
WordPress.org

Partners

MyTaskPanel Agile

Global Candace

croowly

Top custom software 2022

Linkedin Facebook

MyTaskPanel Consulting

Usamos cookies en nuestro sitio web para brindarle la experiencia más relevante recordando sus preferencias y visitas repetidas. Al hacer clic en "Aceptar", acepta el uso de TODAS las cookies.

Ajustes Aceptar cookies Privacy Policy

Política de cookies

Privacy Overview

This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.

SAVE & ACCEPT

MyTaskPanel Consulting

Trataremos de responderte lo antes posible

¿En qué podemos ayudarte?

Escríbenos

🟢 Online | Política de Privacidad

1

¿En qué puedo ayudarte?

Home
About Us
Services
Technology
Success Stories
Product
Our Blog
Contact Us