1|Page
WGU C777 – QUIZZES PREP TEST 2026 WITH 400+ REAL EXAM
PRACTICE QUESTIONS AND CORRECT ANSWERS |WGU C777
OBJECTIVE ASSESSMENT TEST BANK| WGU C777 FINAL LATEST
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Which attribute and value must you add to the <audio> element to incorporate
default audio operations such as Play, Pause, Volume, etc.?
A) controls="controls"
B) controls="default"
C) controls="audio"
D) controls="yes" - ✔✔ - controls="controls"
Which of the following can be considered a benefit of developing Web pages using
the "Web development trifecta"?
A) You can create Web pages without the need for page structure elements to
define the document structure.
B) You can create Web pages without the need for hyperlinks.
C) You can create Web pages that no longer need to be validated to an HTML
standard in order to properly render in any browser or device.
D) You can create Web pages that easily adapt to smartphones, tablets, gaming
devices and smart TVs, as well as to traditional computers. - ✔✔ - You can create
Web pages that easily adapt to smartphones, tablets, gaming devices and smart
TVs, as well as to traditional computers.
For what should you use the controls attribute of the <video> element?
A) To add video controls such as the Play, Pause, Rewind and Volume controls
B) To identify the format, or MIME type, of the video
,2|Page
C) To identify the location and file name of the media resource
D) To identify an image to be displayed until the Play button is clicked or while
the video is downloading - ✔✔ - To add video controls such as the Play, Pause,
Rewind and Volume controls
You can use a Graphical User Interface (GUI) editor to create Web pages, or you
can manually code them using HTML5 and CSS3. Why is it important to
understand what goes on behind the GUI of a Web editor?
A) You will be able to resize your Web pages to conform to the size of a device's
screen.
B) You will be able to troubleshoot code issues when the GUI Web editor fails.
C) You will be able to create apps for mobile Web browsers.
D) You will be able to change the GUI interface to more closely suit your coding
habits. - ✔✔ - You will be able to troubleshoot code issues when the GUI Web
editor fails.
Consider the following HTML code:
<video width="360" height="270" controls="controls" poster="image.png">
<source src="video.mp4" type="video/mp4" />
<source src="video.webm" type="video/webm" />
<source src="video.ogg" type="video/ogg" />
Your browser does not support the HTML5 video element.
</video>
What attribute prevents the first frame of the video from displaying while the video
is downloading?
A) The type attribute
,3|Page
B) The src attribute
C) The controls attribute
D) The poster attribute - ✔✔ - The poster attribute
HTML5 APIs can be used to:
A) determine how to display HTML elements in your Web pages.
B) call another location in the Web page or a separate Web page when the API is
selected.
C) provide a development environment that enables the seamless use of proprietary
browser plug-ins.
D) create apps for mobile devices. - ✔✔ - create apps for mobile devices.
HTML5 has introduced specific elements to structure Web pages. In which
structure element should you include hypertext menus to access various pages of
the Web site?
A) The <article> structure element
B) The <aside> structure element
C) The <nav> structure element
D) The <section> structure element - ✔✔ - The <nav> structure element
What is an advantage of using HTML5 APIs when designing Web pages for
mobile devices?
A) HTML5 APIs use fewer resources than a proprietary browser plug-in does, such
as battery power and CPU memory.
B) HTML5 APIs streamline the application of proprietary browser plug-ins when
plug-ins are included in Web pages designed for mobile devices.
, 4|Page
C) HTML5 APIs make Web pages non-responsive to varying user screen sizes,
thereby saving battery power and CPU memory.
D) HTML5 APIs eliminate the need for Cascading Style Sheets, thereby saving
battery power and CPU memory. - ✔✔ - HTML5 APIs use fewer resources than a
proprietary browser plug-in does, such as battery power and CPU memory.
Code validation is the process of:
A) creating code that responds to user screen size.
B) accessing another point in a Web page or separate Web page.
C) determining how to display HTML elements in your Web page.
D) checking your code to verify that it complies with the syntax rules for your
chosen standard. - ✔✔ - checking your code to verify that it complies with the
syntax rules for your chosen standard.
Consider the following HTML code:
<audio>
<source src="audio.mp3" type="audio/mpeg" />
<source src="audio.wav" type="audio/wav" />
<source src="audio.ogg" type="audio/ogg" />
Your browser does not support the HTML5 audio element.
</audio>
What does the W3C Markup Validation Service use to determine the HTML
specification against which to validate your Web page markup code?
A) The specified DTD in the <nav> section of your HTML page
WGU C777 – QUIZZES PREP TEST 2026 WITH 400+ REAL EXAM
PRACTICE QUESTIONS AND CORRECT ANSWERS |WGU C777
OBJECTIVE ASSESSMENT TEST BANK| WGU C777 FINAL LATEST
EXAM PREP TEST BANK 2026 (BRAND NEW!)
Which attribute and value must you add to the <audio> element to incorporate
default audio operations such as Play, Pause, Volume, etc.?
A) controls="controls"
B) controls="default"
C) controls="audio"
D) controls="yes" - ✔✔ - controls="controls"
Which of the following can be considered a benefit of developing Web pages using
the "Web development trifecta"?
A) You can create Web pages without the need for page structure elements to
define the document structure.
B) You can create Web pages without the need for hyperlinks.
C) You can create Web pages that no longer need to be validated to an HTML
standard in order to properly render in any browser or device.
D) You can create Web pages that easily adapt to smartphones, tablets, gaming
devices and smart TVs, as well as to traditional computers. - ✔✔ - You can create
Web pages that easily adapt to smartphones, tablets, gaming devices and smart
TVs, as well as to traditional computers.
For what should you use the controls attribute of the <video> element?
A) To add video controls such as the Play, Pause, Rewind and Volume controls
B) To identify the format, or MIME type, of the video
,2|Page
C) To identify the location and file name of the media resource
D) To identify an image to be displayed until the Play button is clicked or while
the video is downloading - ✔✔ - To add video controls such as the Play, Pause,
Rewind and Volume controls
You can use a Graphical User Interface (GUI) editor to create Web pages, or you
can manually code them using HTML5 and CSS3. Why is it important to
understand what goes on behind the GUI of a Web editor?
A) You will be able to resize your Web pages to conform to the size of a device's
screen.
B) You will be able to troubleshoot code issues when the GUI Web editor fails.
C) You will be able to create apps for mobile Web browsers.
D) You will be able to change the GUI interface to more closely suit your coding
habits. - ✔✔ - You will be able to troubleshoot code issues when the GUI Web
editor fails.
Consider the following HTML code:
<video width="360" height="270" controls="controls" poster="image.png">
<source src="video.mp4" type="video/mp4" />
<source src="video.webm" type="video/webm" />
<source src="video.ogg" type="video/ogg" />
Your browser does not support the HTML5 video element.
</video>
What attribute prevents the first frame of the video from displaying while the video
is downloading?
A) The type attribute
,3|Page
B) The src attribute
C) The controls attribute
D) The poster attribute - ✔✔ - The poster attribute
HTML5 APIs can be used to:
A) determine how to display HTML elements in your Web pages.
B) call another location in the Web page or a separate Web page when the API is
selected.
C) provide a development environment that enables the seamless use of proprietary
browser plug-ins.
D) create apps for mobile devices. - ✔✔ - create apps for mobile devices.
HTML5 has introduced specific elements to structure Web pages. In which
structure element should you include hypertext menus to access various pages of
the Web site?
A) The <article> structure element
B) The <aside> structure element
C) The <nav> structure element
D) The <section> structure element - ✔✔ - The <nav> structure element
What is an advantage of using HTML5 APIs when designing Web pages for
mobile devices?
A) HTML5 APIs use fewer resources than a proprietary browser plug-in does, such
as battery power and CPU memory.
B) HTML5 APIs streamline the application of proprietary browser plug-ins when
plug-ins are included in Web pages designed for mobile devices.
, 4|Page
C) HTML5 APIs make Web pages non-responsive to varying user screen sizes,
thereby saving battery power and CPU memory.
D) HTML5 APIs eliminate the need for Cascading Style Sheets, thereby saving
battery power and CPU memory. - ✔✔ - HTML5 APIs use fewer resources than a
proprietary browser plug-in does, such as battery power and CPU memory.
Code validation is the process of:
A) creating code that responds to user screen size.
B) accessing another point in a Web page or separate Web page.
C) determining how to display HTML elements in your Web page.
D) checking your code to verify that it complies with the syntax rules for your
chosen standard. - ✔✔ - checking your code to verify that it complies with the
syntax rules for your chosen standard.
Consider the following HTML code:
<audio>
<source src="audio.mp3" type="audio/mpeg" />
<source src="audio.wav" type="audio/wav" />
<source src="audio.ogg" type="audio/ogg" />
Your browser does not support the HTML5 audio element.
</audio>
What does the W3C Markup Validation Service use to determine the HTML
specification against which to validate your Web page markup code?
A) The specified DTD in the <nav> section of your HTML page
