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WGU Web-Development-Applications Exam Paper Pdf, Exam Web-Development-Applications Flashcards

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WGU Web Development Applications Sample Questions (Q11-Q16):

NEW QUESTION # 11
What is the purpose of cascading style sheets (CSSs)?

A. Setting rules to define how page content looks when rendered
B. Providing functionality that was previously provided by plug-ins
C. Changing the content of a web page dynamically
D. Structuring and describing web page content

Answer: A

Explanation:
Cascading Style Sheets (CSS) are used to control the presentation of web pages, including aspects such as layout, colors, fonts, and other visual styles. They are a cornerstone technology of the World Wide Web, along with HTML and JavaScript. Here's a detailed breakdown:
* Purpose of CSS: CSS is designed to enable the separation of document content (written in HTML or a similar markup language) from document presentation, including elements such as the layout, colors, and fonts. This separation can improve content accessibility, provide more flexibility and control in the specification of presentation characteristics, enable multiple web pages to share formatting, and reduce complexity and repetition in the structural content.
* Setting Visual Rules: CSS allows developers to define rules that specify how different elements of a web page should be displayed. For example, CSS rules can change text color, font size, spacing between elements, and even the overall layout of the web page. These rules are applied by the browser to render the web page according to the defined styles.
* Cascading Nature: The term "cascading" in CSS refers to the process of combining multiple style sheets and resolving conflicts between different CSS rules. This allows developers to use different sources of style information, which can be combined in a hierarchical manner. For instance, a browser style sheet, an external style sheet, and inline styles can all contribute to the final rendering of a web page.
* Benefits of CSS:
* Consistency: By using CSS, developers can ensure a consistent look and feel across multiple web pages.
* Maintainability: CSS makes it easier to update the visual presentation of a web page without altering the HTML structure. This is particularly useful for maintaining large websites.
* Reusability: CSS rules can be reused across multiple pages, reducing redundancy and making it easier to implement changes globally.
* Examples of CSS:
css
Copy code
body {
background-color: lightblue;
}
h1 {
color: navy;
margin-left: 20px;
}
In this example, the body element is given a light blue background color, and the h1 element is styled with a navy color and a left margin of 20 pixels.
References:
* MDN Web Docs on CSS
* W3C CSS Specifications

NEW QUESTION # 12
Given the following CSS statement:

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

Answer: A

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 # 13
What should a developer increase to create space between a border and content?

A. Margin
B. Padding
C. Width
D. Height

Answer: B

Explanation:
Padding is the CSS property used to create space between the content of an element and its border. It is an internal spacing within the element.
* CSS Box Model:
* Content: The innermost part, where text and images appear.
* Padding: The space between the content and the border.
* Border: The edge of the element.
* Margin: The space outside the border, creating space between different elements.
* Usage:
* Padding:
div {
padding: 20px;
}
* This code adds 20 pixels of padding on all sides of the content within the div element.
* References:
* MDN Web Docs - Padding
* W3C CSS Box Model

NEW QUESTION # 14
Which attribute is related to moving the mouse pointer of an element?

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

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 # 15
Given the following code:

What does the console display as output?

A. 0
B. 1
C. 2

Answer: A

Explanation:
Given the code segment:
var a = "8";
var b = "6";
var c = a + b;
console.log(c);
This code concatenates two strings.
* Explanation:
* var a = "8";: Variable a is assigned the string "8".
* var b = "6";: Variable b is assigned the string "6".
* var c = a + b;: The + operator concatenates the two strings, resulting in "86".
* console.log(c);: Outputs the value of c to the console.
* Output:
* The console displays "86" because it concatenates the two string values.
* References:
* MDN Web Docs - String
* W3Schools - JavaScript String

NEW QUESTION # 16
......

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