Web-Development-Applications real exam questions, Web-Development-Applications test dumps vce pdf

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WGU Web Development Applications Sample Questions (Q14-Q19):

NEW QUESTION # 14
What should a developer correct before revalidating after a code validator reports multiple errors in code?

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

Answer: B

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

NEW QUESTION # 15
Given the following HTML statement:

And the following style:

Which line of the changes the background color of the <div> tag when the width is between 600 pixels and
900 pixels or more than 1, 100 pixels?

Answer: C

Explanation:
The given HTML and CSS statements define a class named "example" and use media queries to change the background color of the <div> element based on the screen width. The correct CSS media query to change the background color of the <div> tag when the width is between 600 pixels and 900 pixels or more than 1100 pixels is:Copy code
@media screen and (max-width: 900px) and (min-width: 600px), (min-width: 1100px) { div.example { background: yellow;
}
}
* Understanding Media Queries:
* @media screen: Applies the styles only for screens.
* (max-width: 900px) and (min-width: 600px): Targets screen widths between 600 and 900 pixels.
* , (comma): Acts as an "or" operator in media queries.
* (min-width: 1100px): Targets screen widths greater than or equal to 1100 pixels.
* Option C Explanation:
* This option uses the correct media query syntax to apply the background color change when the screen width is between 600 and 900 pixels or when it is 1100 pixels or more.
References:
* MDN Web Docs on Media Queries
* W3C CSS Media Queries Level 4
The correct CSS media query based on the provided options is:
@media screen and (max-width: 900px) and (min-width: 600px), (min-width: 1100px) { div.example { background: yellow;
}
}
References for Media Queries:
* MDN Web Docs on Using Media Queries
* W3C CSS Media Queries Module Level 4

NEW QUESTION # 16
What is the effect of using the in-line validation process during user input?

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

Answer: A

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 # 17
Which layout design is easiest to manage on a variety of devices?

A. Border
B. Grid
C. Table
D. Flow

Answer: B

Explanation:
A grid layout is easiest to manage across a variety of devices due to its flexibility and ability to create responsive designs that adapt to different screen sizes.
* Grid Layout:
* Responsive Design: Grid layouts can be easily adjusted using media queries to provide a consistent user experience across devices.
* CSS Grid Example:
container {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
* Other Options:
* A. Flow: Often used for text, not layout.
* B. Table: Outdated and not responsive.
* D. Border: Not commonly used for complex layouts.
* References:
* MDN Web Docs - CSS Grid Layout
* W3Schools - CSS Grid Layout

NEW QUESTION # 18
Which code segment correctly defines a function in JavaScript?

A. Void addNumbers(a, b)
B. Function addNumber (in a, int b)
C. Void addNumber(int a, int b)
D. Function addNumbers (a, b)

Answer: D

Explanation:
In JavaScript, functions are defined using the function keyword followed by the name of the function, a set of parentheses (), and a block of code enclosed in curly braces {}.
* Function Definition Syntax:
* Correct Syntax:
function addNumbers(a, b) {
// function body
}
* Explanation:
* function: Keyword to define a function.
* addNumbers: Name of the function.
* (a, b): Parameters for the function.
* { ... }: Function body containing the code to be executed.
* Incorrect Options:
* A. Void addNumbers(a, b): JavaScript does not use void to define functions.
* C. Void addNumber(int a, int b): JavaScript does not use void or type declarations (int).
* D. Function addNumber (in a, int b): JavaScript functions do not use type declarations.
* References:
* MDN Web Docs - Functions
* W3Schools - JavaScript Functions

NEW QUESTION # 19
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Web-Development-Applications real exam questions, Web-Development-Applications test dumps vce pdf

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WGU Web Development Applications Sample Questions (Q14-Q19):

WGU Web-Development-Applications PDF Questions Exam Preparation and Study Guide

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