Free PDF Quiz 2025 WGU Web-Development-Applications Useful Actual Questions

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WGU Web Development Applications Sample Questions (Q34-Q39):

NEW QUESTION # 34
What is the default behavior of overlay elements?

A. First element listed is invisible
B. Last element listed appears on top
C. Last element listed appears on bottom
D. First element listed is transparent

Answer: B

Explanation:
In CSS, when elements overlap, the default behavior is that the last element listed in the HTML document appears on top.
* Stacking Context:
* Default Behavior: Elements are stacked in the order they appear in the HTML. The last element in the document tree is rendered on top.
* z-index: You can control stacking order using the z-index property, but without it, the default order applies.
* Example:
* Given HTML:
<div style="position: absolute; width: 100px; height: 100px; background-color: red;"></div>
<div style="position: absolute; width: 100px; height: 100px; background-color: blue;"></div>
* The blue div will be on top of the red div because it appears later in the HTML document.
* References:
* MDN Web Docs - Stacking context
* W3C CSS Positioned Layout Module Level 3
By understanding these fundamental CSS concepts, developers can create more effective and visually appealing web layouts.

NEW QUESTION # 35
Which layout method causes images to render to small or too large in browser windows of different sizes?

A. Fixed width
B. Liquid
C. Relative width
D. Fluid

Answer: A

Explanation:
A fixed-width layout method specifies exact pixel values for widths. This approach does not adapt to different screen sizes, leading to images rendering too small or too large on various devices.
* Fixed Width Layout:
* Definition: Uses specific pixel values for the width of elements.
* Example:
container {
width: 800px;
}
* Issues:
* Lack of Flexibility: Does not scale with the size of the viewport, causing images and other elements to appear incorrectly sized on different screen sizes.
* Comparison:
* Fluid/Liquid: Adapts to the screen size using percentages or other relative units.
* Relative Width: Also adapts using units like em or %.
* References:
* MDN Web Docs - Fixed vs. Fluid Layout
* W3C CSS Flexible Box Layout Module Level 1
Using fixed-width layouts can result in poor user experience across different devices, highlighting the importance of responsive design principles.
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NEW QUESTION # 36
A javaScript programmer defines the following function:

What is the name of the function?

A. Function
B. Number
C. square
D. Return

Answer: C

Explanation:
In JavaScript, the name of a function is defined after the function keyword and before the parentheses that enclose its parameters.
* Function Name: The function name is the identifier used to call the function. It is defined immediately after the function keyword.
* Usage Example:
function square(number) {
return number * number;
}
In this example, the name of the function is square.
References:
* MDN Web Docs on Functions
* ECMAScript Language Specification

NEW QUESTION # 37
What is the process for JavaScript from validation?

A. User input is sent to the server after the form is completed tor validation.
B. Form fields are validated after the form is submitted but before form data is sent to the server
C. Form fields are validated as me user inputs data after form data is sent to the server.
D. User input is sent to the server as fields are completed for validation.

Answer: B

Explanation:
JavaScript form validation typically occurs after the form is submitted but before the form data is sent to the server. This allows the client-side script to check the input data and prevent the form from being submitted if the data is invalid.
* Client-Side Validation:
* Before Form Submission: JavaScript validates the form fields after the user attempts to submit the form.
* Prevent Default Submission: If the validation fails, JavaScript can prevent the form from being submitted and display appropriate error messages.
* Usage Example:
document.getElementById("myForm").addEventListener("submit", function(event) { var isValid = true;
// Perform validation checks
if (!isValid) {
event.preventDefault(); // Prevent form submission
alert("Please correct the errors.");
}
});
This example prevents form submission if the validation fails.
References:
* MDN Web Docs on Form Validation
* W3C HTML Specification on Form Submission

NEW QUESTION # 38
A web designer creates the following HTML code:

Which CSS selector applies only to the first line?

A. #Welcome
B. #Header
C. .header
D. .Welcome

Answer: A

Explanation:
To apply CSS only to the first line of a particular HTML element, the ID selector #Welcome should be used as per the given HTML structure.
* CSS ID Selector: The ID selector is used to style the element with a specific id.
* Usage Example:
#Welcome {
color: red;
}
In this example, the #Welcome selector will apply the red color style only to the element with id="Welcome".
References:
* MDN Web Docs on ID Selectors
* W3C CSS Specification on Selectors

NEW QUESTION # 39
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