VALID WEB-DEVELOPMENT-APPLICATIONS MOCK EXAM | WEB-DEVELOPMENT-APPLICATIONS PASS4SURE EXAM PREP

Valid Web-Development-Applications Mock Exam | Web-Development-Applications Pass4sure Exam Prep

Valid Web-Development-Applications Mock Exam | Web-Development-Applications Pass4sure Exam Prep

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WGU Web Development Applications Sample Questions (Q20-Q25):

NEW QUESTION # 20
Given the following CSS code:

Which type of selector is used?

  • A. Group
  • B. Class
  • C. Element
  • D. ID

Answer: D

Explanation:
The given CSS code uses the #name selector, which is an ID selector. The ID selector is used to style an element with a specific id attribute.
* ID Selector: In CSS, the ID selector is used to style the element with the specific id. The syntax for the ID selector is #id, where id is the id attribute value of the HTML element.
* Usage Example:
#name {
text-align: left;
}
This CSS rule will apply the text-align: left; style to the element with id="name".
* ID Selector Characteristics:
* An ID must be unique within a document, meaning it can be used only once per page.
* ID selectors are more specific than class selectors and element selectors.
* Example in HTML:
<div id="name">This is a div with ID "name".</div>
References:
* MDN Web Docs on CSS Selectors
* W3C CSS Specification on Selectors


NEW QUESTION # 21
Which tag is required when importing the jQuery library?

  • A. Body
  • B. meta
  • C. Section
  • 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 # 22
Given the following code:

What does the #item token do?

  • A. It defines a JavaScript function with one parameter.
  • B. It specifies a CSS3 property.
  • C. It locates an HTML5 element by its ID
  • D. It creates an XML element.

Answer: C

Explanation:
The #item token in CSS is used to select an HTML element by its ID attribute.
* CSS ID Selector:
* Syntax: The ID selector is prefixed with a hash symbol (#) followed by the ID value of the HTML element.
* Example: If the HTML element has an attribute id="item", it can be selected and styled in CSS as:
width: 300px;
}
* Functionality:
* Selects an Element: The ID selector targets the specific HTML element with the matching id attribute.
* Specificity: ID selectors have high specificity, meaning they will override styles from type selectors and


NEW QUESTION # 23
Which HTML tag should a developer use to create a drop-down list?

  • A. <Select>
  • B. <Option>
  • C. <Output>
  • D. <Section >

Answer: A

Explanation:
The <select> tag is used in HTML to create a drop-down list. It is used in conjunction with the <option> tags to define the list items within the drop-down menu.
* Purpose of <select>: The <select> element is used to create a control that provides a menu of options.
The user can select one or more options from the list.
* Structure of Drop-down List:
* The <select> element encloses the <option> elements.
* Each <option> element represents an individual item in the drop-down list.
* Usage Example:
<label for="cars">Choose a car:</label>
<select id="cars" name="cars">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="fiat">Fiat</option>
<option value="audi">Audi</option>
</select>
In this example, the <select> tag creates a drop-down list with four options: Volvo, Saab, Fiat, and Audi.
* Attributes of <select>:
* name: Specifies the name of the control, which is submitted with the form data.
* id: Used to associate the <select> element with a label using the <label> tag's for attribute.
* multiple: Allows multiple selections if set.
References:
* MDN Web Docs on <select>
* W3C HTML Specification on Forms


NEW QUESTION # 24
What is the effect of using the in-line validation process during user input?

  • A. Slower rate of form completion
  • B. More successful form completion rates
  • C. Increased computation on the server
  • D. Larger number of errors created

Answer: B

Explanation:
Inline validation during user input provides immediate feedback to the user about the correctness of their input. This real-time feedback helps users correct mistakes as they go, leading to higher rates of successful form completion.
* Inline Validation: Inline validation refers to checking the validity of input data as it is entered, rather than waiting until the form is submitted. This helps users to receive immediate feedback and correct errors on the spot.
* Benefits:
* Immediate Feedback: Users can correct mistakes immediately, which helps reduce frustration and confusion.
* Increased Success Rates: By providing real-time feedback, users are more likely to complete the form correctly, resulting in higher completion rates.
* User Experience: Improves the overall user experience by making the process more interactive and user-friendly.
References:
* Nielsen Norman Group on Inline Validation
* MDN Web Docs on Constraint Validation


NEW QUESTION # 25
......

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