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WGU Web Development Applications Sample Questions (Q52-Q57):

NEW QUESTION # 52
A web developer need to ensure that a message appears if the user's browser does not support the audio files on a web page.
How should this designer code the audio element?

Answer: A

Explanation:
To ensure that a message appears if the user's browser does not support the audio files on a web page, the developer should use the <audio> element correctly. The <audio> element supports fallback content, which is displayed if the browser does not support the specified audio formats.
* Correct Usage:
* Fallback Content: Place the message as fallback content inside the <audio> element. Browsers that do not support the audio format will display this message.
* Example:
<audio>
<source src="audio/song.mp3" type="audio/mpeg" />
No mpeg support.
</audio>
* Explanation of Options:
* Option A: Incorrect. The alt attribute is not valid for the <source> element.
* Option B: Incorrect. The alt attribute is not valid for the <audio> element.
* Option C: Incorrect. The alt attribute is used incorrectly in the <audio> element.
* Option D: Correct. The message "No mpeg support." is placed correctly as fallback content inside the <audio> element.
* References:
* W3C HTML5 Specification - The audio element
* MDN Web Docs - <audio>
Using the fallback content inside the <audio> element ensures that users with unsupported browsers receive a meaningful message, improving the overall user experience.

NEW QUESTION # 53
Which technique should a developer use for text-based hyperlink on mobile web page?

A. Keeping links uniform
B. Using dynamic page elements neat the link
C. Padding the clickable area around the link
D. Deploying graphical links

Answer: C

Explanation:
When designing text-based hyperlinks for mobile web pages, it is essential to ensure that the links are easily tappable. Adding padding around the clickable area increases the touch target size, making it easier for users to interact with the link on a mobile device.
* Techniques for Mobile-Friendly Links:
* Padding the Clickable Area: By adding padding, you increase the touchable area around the link, which helps prevent user frustration due to missed taps.
* CSS Example:
a {
padding: 10px;
display: inline-block;
}
* Other Options:
* B. Keeping links uniform: This refers to making all links look the same, which is good for consistency but doesn't specifically address the issue of touch targets.
* C. Deploying graphical links: While graphical links can be effective, they do not necessarily improve touch target size for text-based hyperlinks.
* D. Using dynamic page elements near the link: This can lead to a cluttered interface and does not address the touch target issue directly.
* References:
* MDN Web Docs - Touch targets
* Google Developers - Mobile Web Development

NEW QUESTION # 54
Which HTML element should a developer use to logically group a set of related HTML elements?

A. Fieldset
B. Datalist
C. input
D. Select

Answer: A

Explanation:
The <fieldset> element is used to group a set of related HTML elements in a form. It provides a way to logically group related controls and labels.
* Fieldset Element: The <fieldset> element can be used to create a group of form controls, along with an optional <legend> element that provides a caption for the group.
* Usage Example:
<fieldset>
<legend>Personal Information</legend>
<label for="name">Name:</label>
<input type="text" id="name" name="name">
<label for="email">Email:</label>
<input type="email" id="email" name="email">
</fieldset>
This groups the name and email input fields under the legend "Personal Information".
References:
* MDN Web Docs on <fieldset>
* W3C HTML Specification on Fieldset

NEW QUESTION # 55
Given the following CSS statement:

Which code segment changes the font color when the viewport is 800 pixels wide or wider?

Answer: C

Explanation:
To change the font color when the viewport is 800 pixels wide or wider, a media query with min-width:
800px is used. This ensures that the styles inside the media query are applied only when the viewport width is at least 800 pixels.
* CSS Media Queries:
* Syntax for Media Query:
@media screen and (min-width: 800px) {
body {
color: black;
}
}
* Explanation: The min-width: 800px condition ensures that the styles are applied when the viewport is 800 pixels or wider.
* Example Analysis:
* Option A:
@media screen and (min-width: 800px) {
body {
color: black;
}
}
* Correct. This applies the color: black; style to the body when the viewport is 800 pixels or wider.
* Option B:
@media min-width: 800px {
body {
color: black;
}
}
* Incorrect. Missing screen and which is required for a proper media query targeting screens.
* Option C:
@media screen and (max-width: 800px) {
body {
color: black;
}
}
* Incorrect. This applies the style when the viewport is 800 pixels or narrower.
* Option D:
@media max-width: 800px {
body {
color: black;
}
}
* Incorrect. This applies the style when the viewport is 800 pixels or narrower.
* References:
* MDN Web Docs - Using media queries
* W3Schools - CSS Media Queries
The correct use of media queries ensures that the specified styles are applied only under the desired conditions, providing a responsive design.

NEW QUESTION # 56
Which feature was introduced in HTML5?

A. Adherence to strict XML syntax rules
B. Native drag-and-drop capability
C. Ability to hyperlink to multiple web pages
D. Addition of CSS in the HTML file

Answer: B

Explanation:
HTML5 introduced several new features that enhanced web development capabilities significantly. One of the notable features is the native drag-and-drop capability.
* Native Drag-and-Drop Capability:
* Description: HTML5 allows developers to create drag-and-drop interfaces natively using the draggable attribute and the DragEvent interface. This means elements can be dragged and dropped within a web page without requiring external JavaScript libraries.
* Implementation:
* Making an Element Draggable: To make an element draggable, you set the draggable attribute to true:
<div id="drag1" draggable="true">Drag me!</div>
* Handling Drag Events: You use event listeners for drag events such as dragstart, dragover, and drop:
document.getElementById("drag1").addEventListener("dragstart", function(event) { event.dataTransfer.setData("text", event.target.id);
});
document.getElementById("dropzone").addEventListener("dragover", function(event) { event.preventDefault();
});
document.getElementById("dropzone").addEventListener("drop", function(event) { event.preventDefault(); var data = event.dataTransfer.getData("text"); event.target.appendChild(document.getElementById(data));
});
* Example: This example demonstrates a simple drag-and-drop operation:
html
Copy code
<div id="drag1" draggable="true">Drag me!</div>
<div id="dropzone" style="width: 200px; height: 200px; border: 1px solid black;">Drop here</div>
* References:
* W3C HTML5 Specification - Drag and Drop
* MDN Web Docs - HTML Drag and Drop API
* HTML5 Doctor - Drag and Drop
HTML5's native drag-and-drop feature streamlines the process of creating interactive web applications by eliminating the need for third-party libraries, thus making it a powerful addition to the HTML standard.

NEW QUESTION # 57
......

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PASS GUARANTEED QUIZ WGU - WEB-DEVELOPMENT-APPLICATIONS - WGU WEB DEVELOPMENT APPLICATIONS–PROFESSIONAL EXAM VCE FREE

Pass Guaranteed Quiz WGU - Web-Development-Applications - WGU Web Development Applications–Professional Exam Vce Free