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Latest WGU Web-Development-Applications Training | Web-Development-Applications Valid Exam Pdf

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WGU Web Development Applications Sample Questions (Q38-Q43):

NEW QUESTION # 38
Given the following HTML code:

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

Answer: C

Explanation:
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.
References:
* MDN Web Docs on <video>
* W3C HTML5 Specification on <video>

NEW QUESTION # 39
What should a developer correct before revalidating after a code validator reports multiple errors in code?

A. The last reported error
B. Only CSS errors
C. The first reported error
D. Only JavaScript errors

Answer: C

Explanation:
When using a code validator to check your HTML, CSS, or JavaScript code, it's essential to address errors in a systematic manner. The correct approach is to correct the first reported error before revalidating. This method is recommended because often, the first error can cause a cascade of subsequent errors or warnings.
By fixing the first error, you may automatically resolve other errors that were reported later.
* Reasoning:
* Cascading Errors: The first error in the code might lead to multiple subsequent errors. Fixing it can sometimes resolve those cascading errors, reducing the overall number of errors in the next validation.
* Logical Flow: Addressing errors in the order they appear maintains a logical flow and makes debugging more manageable.
* Steps to Follow:
* Step 1: Run the code through the validator.
* Step 2: Identify the first reported error.
* Step 3: Correct the first error.
* Step 4: Revalidate the code to check if the error count has reduced or if new errors appear.
* Step 5: Repeat the process until all errors are resolved.
* References:
* W3C Markup Validation Service
* MDN Web Docs - Debugging HTML
* W3C CSS Validation Service

NEW QUESTION # 40
Which attribute is related to moving the mouse pointer of an element?

A. onmouseenter
B. Onmouseout
C. Onmouseover
D. Onmouseup

Answer: C

Explanation:
The onmouseover attribute in HTML and JavaScript is used to execute a script when the mouse pointer is moved over an element.
* onmouseover Attribute: This event occurs when the mouse pointer is moved onto an element. It is commonly used to change styles or content of the element when the user interacts with it by hovering.
* Usage Example:
<p onmouseover="this.style.color='red'">Hover over this text to change its color to red.</p> In this example, the text color changes to red when the mouse pointer is moved over the paragraph.
References:
* MDN Web Docs on onmouseover
* W3C HTML Specification on Events

NEW QUESTION # 41
Which property or method requires a minimum of two values to apply?

A. It accepts Hex values only
B. It requires a minimum of one value to apply
C. It accepts pixel values only.
D. It requires a minimum of two values to apply.

Answer: D

Explanation:
This question seems to be about a property or method that requires two values. Without additional context, the most common scenario that fits this description is CSS properties that define sizes or positions with two values. Examples include background-position, margin, padding, etc., where both horizontal and vertical values are needed.
References:
* MDN Web Docs on Background Position
* W3C CSS Backgrounds and Borders Module Level 3

NEW QUESTION # 42
Which tag is required when importing the jQuery library?

A. meta
B. Section
C. Body
D. Script

Answer: D

Explanation:
The <script> tag is required when importing the jQuery library into an HTML document.
* Including jQuery:
* Purpose: The <script> tag is used to embed or reference executable code (JavaScript).
* Example:
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
* Explanation:
* The <script> tag should be placed in the <head> or at the end of the <body> to ensure that the library is loaded before the scripts that depend on it.
* References:
* jQuery Getting Started
* MDN Web Docs - <script>

NEW QUESTION # 43
......

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