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Web-Development-Applications WGU Web Development Applications (KVO1)

  • WGU
  • 66 practice questions
  • Updated Sep 2026
  • 5 free sample questions

About this exam

Web-Development-Applications is the WGU exam WGU Web Development Applications (KVO1). Practice material is available as a PDF, an interactive practice test or a bundle of both.

Exam code
Web-Development-Applications
Vendor
WGU
Practice questions
66
Questions with an explanation
66 of 66
Free sample questions
5
Question bank last updated
24 Sep 2026

Try 2 sample questions

Taken from the free sample set for Web-Development-Applications.

Question 1

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

  1. Option A:
    Only CSS errors
  2. Option B:
    The last reported error
  3. Option C:
    Only JavaScript errors
  4. Option D:
    The first reported error
Show answer and explanation

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

Question 2

Which HTML tag should a developer use to create a drop-down list?

  1. Option A:
    <Option>

  2. Option B:
    <Section >
  3. Option C:
    <Output>

  4. Option D:
    <Select>
Show answer and explanation

Correct answer: D

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.
Reference:
MDN Web Docs on <select>
W3C HTML Specification on Forms
See all 5 free sample questions