Online 030-100 Dumps Help You Understand Questions Well

If you're interested in pursuing the Web Development Essentials certification, it's important to understand the exam format and the types of questions you can expect. This is where 030-100 questions come in. 030-100 exam dumps questions are designed to simulate the actual certification exam, providing you with a deeper understanding of the exam format and what to expect on test day. By taking practice exams and reviewing 030-100 questions, you can identify areas where you may need to focus your studying. Study free 030-100 exam dumps below.

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1. What is the primary goal of responsive web design?

To ensure websites look the same on all devices

To make websites load faster

To create a visually attractive design

To ensure websites work well on a variety of devices and window or screen sizes

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2. Which CSS property is used to set the space between the borders of adjacent elements?

border-spacing

margin

padding

spacing

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3. What is the purpose of meta tags in an HTML document?

To add interactive elements to the page

To provide metadata about the HTML document

To link external JavaScript files

To define the main content of the page

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4. When creating links to page anchors in HTML, which attribute specifies the section of the page to link to?

href

src

name

target

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5. How can CSS be embedded within an HTML document?

Using the tag in the HTML body

Inside the

Within the

Directly within HTML elements using the style attribute

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6. What are essential features of source code editors and Integrated Development Environments (IDEs)? (Choose two)

Ability to compile and execute code

Built-in web browser for testing web applications

Syntax highlighting and code completion

Network monitoring for security analysis

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7. Which method is used in Express.js to define a route for HTTP GET requests?

app.get(path, callback)

app.post(path, callback)

app.route(path, callback)

app.http(path, callback)

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8. What does 'CSS Grid Layout' provide?

A framework for positioning elements in a grid-based layout system

A method for changing the color of the elements

A plugin for adding multimedia content

A built-in spellchecker for text content

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9. In Express.js, how do you send a static file as a response to a client request?

res.sendFile(filepath)

res.render(filepath)

res.static(filepath)

res.redirect(filepath)

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10. Which HTTP status codes indicate success and client error? (Choose two)

200

404

500

302

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11. In HTML, what is the purpose of the alt attribute in an tag?

To provide a text alternative for the image

To change the image source

To specify a secondary image

To apply styles to the image

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12. In HTML, which attribute is used to link to an external CSS file?

src

href

rel

type

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13. What is the primary role of HTML in web development?

To create the structure and content of a web page

To style and layout web pages

To add dynamic functionalities to web pages

To manage the database of a website

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14. What is the primary purpose of HTTP cookies?

To encrypt data transmissions

To provide a user interface

To store data on the client's machine for state management

To increase network bandwidth efficiency

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15. What is the purpose of web sockets in the context of HTTP?

To enable real-time bidirectional communication between client and server

To store large files on the server

To render graphical content in the browser

To increase the loading time of web pages

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16. What distinguishes an application server from a web server?

An application server only serves static content

An application server is responsible for handling database queries

An application server provides business logic for an application

An application server can only handle HTTP requests

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17. Which CSS property is used to change the text color of an element?

text-color

color

font-color

background-color

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18. Which of the following file formats supports transparency?

JPEG

PNG

SVG

Both PNG and SVG

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19. Which of the following are roles of web browsers? (Choose two)

Executing JavaScript code

Storing cookies for user authentication

Hosting web applications

Compiling high-level code into machine code

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20. What are virtual hosts used for in web servers?

To create multiple physical servers from a single hardware server

To host multiple domain names on a single server

To increase the server's processing power

To distribute network traffic evenly across multiple servers

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21. In Node.js, which function is used to include built-in modules?

include()

require()

import()

getModule()

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22. Which HTML tag is used to create a hyperlink?

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23. Which of the following are true about compilers and interpreters? (Choose two)

Compilers convert source code into machine code before runtime.

Interpreters execute the source code line by line during runtime.

Compilers are used to enhance the security of a source code.

Interpreters translate the entire program at once and then execute it.

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24. Which CSS property is used to set the width of an element's border?

border-width

border-length

border-style

border-radius

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25. How can you access query parameters in an Express.js route handler?

req.query

req.params

req.body

req.url

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