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Get All WGU Web Development Applications (KVO1) Exam Questions with Validated Answers
| Vendor: | WGU |
|---|---|
| Exam Code: | Web-Development-Applications |
| Exam Name: | WGU Web Development Applications (KVO1) |
| Exam Questions: | 136 |
| Last Updated: | January 7, 2026 |
| Related Certifications: | WGU Courses and Certifications |
| Exam Tags: | intermediate to advanced level Front end developers and Web designers |
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Which language should a developer use to create a border with rounded corners on a web page using in-line markup?
Rounded corners on HTML elements are styled using CSS3 properties. Specifically, the border-radius property introduced in CSS3 allows developers to apply curved borders to elements.
'CSS3 introduced the border-radius property, which allows web developers to create rounded corners without the need for images or complex markup.'
'The syntax can be applied inline, such as:
CSS3 Official Specification -- W3C
HTML & CSS Developer Guides -- MDN
===========
Given the following HTML code:

Which line of code should replace the first line to ensure that users can pause and restart the video?
A)

B)

C)

D)

To ensure that users can pause and restart the video, the controls attribute needs to be added to the <video> tag. This attribute provides the user with controls to play, pause, and adjust the volume of the video. The correct line of code that should replace the first line in the provided HTML to achieve this functionality is:
<video width='360' height='270' controls>
Here's the comprehensive explanation:
controls Attribute: The controls attribute is a boolean attribute. When present, it specifies that video controls should be displayed, allowing the user to control video playback, including pausing, playing, and seeking.
HTML Structure:
Original Line:
<video width='360' height='270'>
Revised Line:
<video width='360' height='270' controls>
Usage Example:
<video width='360' height='270' controls>
<source src='video.mp4' type='video/mp4'>
Your browser does not support the HTML5 video element.
</video>
In this example, adding the controls attribute provides the user with play, pause, and volume controls.
MDN Web Docs on <video>
W3C HTML5 Specification on <video>
What is an advantage that a mobile has over a mobile app?
A mobile website has the advantage of being automatically available to all users without the need for installation. Users can access it through their web browsers on any device with internet connectivity.
Accessibility: Mobile websites can be accessed by simply entering a URL in a web browser. There is no need to visit an app store and install an application.
Cross-Platform Compatibility: Mobile websites are designed to work across various devices and platforms, ensuring a broader reach.
Automatic Updates: Updates to mobile websites are immediately available to users without requiring them to download and install new versions.
MDN Web Docs on Responsive Web Design
W3C Mobile Web Application Best Practices
Which attribute displays help text in an input field without specifying an actual value for the input?
The placeholder attribute in an <input> element displays help text in the input field without specifying an actual value for the input. This text disappears when the user starts typing.
Placeholder Attribute: This attribute provides a hint to the user about what type of information is expected in the field.
Usage Example:
<input type='text' placeholder='Enter your name'>
The input field will show 'Enter your name' as help text.
MDN Web Docs on placeholder
W3C HTML Specification on Input Placeholder
A file named application, Appchache contains the following content:

Which attribute should a developer set to application. Appchache so the four files will be cached?
To specify a cache manifest file for an HTML document, the manifest attribute must be set in the <html> element. This attribute tells the browser to cache the files listed in the manifest for offline use.
Cache Manifest:
Purpose: Specifies resources that should be cached by the browser.
Attribute: manifest is used in the <html> tag to link the cache manifest file.
Example:
Given the manifest file application.appcache:
CACHE MANIFEST
CACHE:
default.html
stylesheet.css
functions.js
logo.jpg
HTML with the manifest attribute:
<html manifest='application.appcache'>
...
</html>
MDN Web Docs - Offline Web applications
W3C HTML5 Specification - manifest attribute
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