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WGU Certification
Web-Development-Applications Exam
WGU.Web-Development-Applications.v2026-01-16.q68 Dumps

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Question 46

Which property or method requires a minimum of two values to apply?

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

Correct Answer: D

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

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Question 47

What should a developer correct before revalidating after a code validator reports multiple errors in code?

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

Correct Answer: D

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.
:
W3C Markup Validation Service
MDN Web Docs - Debugging HTML
W3C CSS Validation Service

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Question 48

Given the following code:
Var a = ''true'';
What is the data type of d?

A.Boolean
B.String
C.Object
D.Undefined

Correct Answer: B

The data type of the variableais determined by the value assigned to it. In JavaScript, if a value is enclosed in double or single quotes, it is treated as a string.
* Variable Assignment:
* Given the code:
var a = "true";
* The value"true"is enclosed in double quotes, making it a string.
* Explanation:
* Option A: Boolean is incorrect because the value"true"is a string, not a boolean.
* Option B: String is correct because the value is enclosed in double quotes.
* Option C: Object is incorrect because the value is a primitive string.
* Option D: Undefined is incorrect because the variableais assigned a value.
:
MDN Web Docs - JavaScript Data Types
W3Schools - JavaScript Data Types

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Question 49

Given the following code:

What is the value of the variable data when the code runs?

A.Null
B.A single-character string
C.Undefined
D.An empty string

Correct Answer: D

In JavaScript, assigning an empty pair of quotes to a variable creates an empty string.
* Variable Assignment:
* Given the code:
var data = "";
* The variabledatais assigned an empty string.
* Explanation:
* Option A: Null is incorrect because the variable is assigned an empty string, notnull.
* Option B: A single-character string is incorrect because the string is empty.
* Option C: Undefined is incorrect because the variable is assigned a value, even though it is an empty string.
* Option D: An empty string is correct because""represents an empty string.
:
MDN Web Docs - String
W3Schools - JavaScript Strings

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Question 50

Which structure tag should a developer use to place contact information on a web page?

A.<Aside>
B.<Main>
C.<Nav>
D.<footer>

Correct Answer: D

The <footer> tag is used to define a footer for a document or a section. A footer typically contains information about the author of the document, contact information, copyright details, and links to terms of use, privacy policy, etc. It is a semantic element in HTML5, which means it clearly describes its meaning to both the browser and the developer.
* Purpose of <footer>: The <footer> element represents a footer for its nearest sectioning content or sectioning root element. It typically contains information like:
* Contact information
* Copyright information
* Links to related documents
* Information about the author
* Usage Example:
<footer>
<p>Contact us at: [email protected]</p>
<p>© 2024 Example Company</p>
</footer>
In this example, the <footer> tag encloses contact information and copyright details.
* Semantic Importance: Using semantic elements like <footer> enhances the accessibility of the document and provides better context for search engines and other user devices.
References:
* MDN Web Docs on <footer>
* W3C HTML5 Specification on <footer>

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