Page 1 of 209
WGU C777 Web Development Applications
Objective Assessment – Latest Official Versions
with 500+ Questions and Verified Detailed
Answers
Official Exam Overview:
The WGU C777 Web Development Applications OA evaluates knowledge of responsive web
design, layout techniques, and visual optimization for multiple screen sizes. The assessment
emphasizes best practices for ensuring media displays correctly across devices.
Key Coverage Areas:
• Responsive Web Design Principles
• Image Scaling Techniques
• Flexible Layouts and Media
• Cross-Device Compatibility
• User Interface Optimization
QUESTION 1:
Which design approach ensures that images automatically resize so they do not extend beyond the
width of the user’s screen?
A) Screen resolution
B) Fluid image ✅
C) Flexible frame
D) MobileOK
Rationale:
A fluid image scales proportionally within its container, preventing it from exceeding the available
screen width on different devices.
QUESTION 2:
Fluid images are most commonly used to support which design strategy?
A) Fixed-width layouts
B) Server-side rendering
C) Responsive web design ✅
D) Print media formatting
Rationale:
Fluid images are a core component of responsive design, allowing content to adapt to various screen
sizes.
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QUESTION 3:
Which CSS property is commonly used to create fluid images?
A) position: absolute;
B) float: left;
C) max-width: 100%; ✅
D) overflow: hidden;
Rationale:
Setting max-width: 100% ensures an image never exceeds the width of its container.
QUESTION 4:
What problem do fluid images help prevent?
A) Broken JavaScript
B) Horizontal scrolling on small screens ✅
C) Slow server response
D) Font rendering errors
Rationale:
By scaling images appropriately, fluid images prevent horizontal overflow and scrolling on mobile
devices.
QUESTION 5:
Which device scenario benefits most from fluid image usage?
A) Desktop monitors only
B) Printers
C) Mobile phones and tablets with varying screen sizes ✅
D) Offline applications
Rationale:
Devices with different screen dimensions benefit most from fluid image techniques.
Which technique keeps images from exceeding the width of the screen?
A) Screen resolution
B) Fluid image
C) Flexible frame
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D) MobileOK - ANSWER-Fluid image
Experts in Web technology expect that the future of Web development will rely heavily on:
A) Java applets.
B) HTML5 APIs.
C) Apple mobile devices.
D) Android mobile devices. - ANSWER-HTML5 APIs.
In JavaScript, what is a function?
A) A named set of statements that performs a task or calculates a value.
B) A built-in object behavior.
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C) A commonly used term for a script.
D) A customized method that compiles a script. - ANSWER-A named set of statements that
performs a task or calculates a value.
Which JavaScript object can be affected by the onabort event handler?
A) button
B) link
C) form
D) image - ANSWER-image
How can you "comment out" a particular rule in a style sheet so that it will be ignored when
you link the style sheet to a Web document?
A) Place the rule between the /* and */ characters.
B) Place the rule within curly braces.
C) Place the rule within semicolons.
D) Place the rule within quotation marks. - ANSWER-Place the rule between the /* and */
characters.
How can you link an HTML document to an AppCache manifest file named date.appcache?
A) By adding the appcache="date.appcache" attribute to the <html> tag
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WGU C777 Web Development Applications
Objective Assessment – Latest Official Versions
with 500+ Questions and Verified Detailed
Answers
Official Exam Overview:
The WGU C777 Web Development Applications OA evaluates knowledge of responsive web
design, layout techniques, and visual optimization for multiple screen sizes. The assessment
emphasizes best practices for ensuring media displays correctly across devices.
Key Coverage Areas:
• Responsive Web Design Principles
• Image Scaling Techniques
• Flexible Layouts and Media
• Cross-Device Compatibility
• User Interface Optimization
QUESTION 1:
Which design approach ensures that images automatically resize so they do not extend beyond the
width of the user’s screen?
A) Screen resolution
B) Fluid image ✅
C) Flexible frame
D) MobileOK
Rationale:
A fluid image scales proportionally within its container, preventing it from exceeding the available
screen width on different devices.
QUESTION 2:
Fluid images are most commonly used to support which design strategy?
A) Fixed-width layouts
B) Server-side rendering
C) Responsive web design ✅
D) Print media formatting
Rationale:
Fluid images are a core component of responsive design, allowing content to adapt to various screen
sizes.
,Page 2 of 209
QUESTION 3:
Which CSS property is commonly used to create fluid images?
A) position: absolute;
B) float: left;
C) max-width: 100%; ✅
D) overflow: hidden;
Rationale:
Setting max-width: 100% ensures an image never exceeds the width of its container.
QUESTION 4:
What problem do fluid images help prevent?
A) Broken JavaScript
B) Horizontal scrolling on small screens ✅
C) Slow server response
D) Font rendering errors
Rationale:
By scaling images appropriately, fluid images prevent horizontal overflow and scrolling on mobile
devices.
QUESTION 5:
Which device scenario benefits most from fluid image usage?
A) Desktop monitors only
B) Printers
C) Mobile phones and tablets with varying screen sizes ✅
D) Offline applications
Rationale:
Devices with different screen dimensions benefit most from fluid image techniques.
Which technique keeps images from exceeding the width of the screen?
A) Screen resolution
B) Fluid image
C) Flexible frame
,Page 3 of 209
D) MobileOK - ANSWER-Fluid image
Experts in Web technology expect that the future of Web development will rely heavily on:
A) Java applets.
B) HTML5 APIs.
C) Apple mobile devices.
D) Android mobile devices. - ANSWER-HTML5 APIs.
In JavaScript, what is a function?
A) A named set of statements that performs a task or calculates a value.
B) A built-in object behavior.
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, Page 4 of 209
C) A commonly used term for a script.
D) A customized method that compiles a script. - ANSWER-A named set of statements that
performs a task or calculates a value.
Which JavaScript object can be affected by the onabort event handler?
A) button
B) link
C) form
D) image - ANSWER-image
How can you "comment out" a particular rule in a style sheet so that it will be ignored when
you link the style sheet to a Web document?
A) Place the rule between the /* and */ characters.
B) Place the rule within curly braces.
C) Place the rule within semicolons.
D) Place the rule within quotation marks. - ANSWER-Place the rule between the /* and */
characters.
How can you link an HTML document to an AppCache manifest file named date.appcache?
A) By adding the appcache="date.appcache" attribute to the <html> tag
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