WGU C777 OBJECTIVE ASSESSMENT 2026-2027 TEST BANK WITH
350 QUESTIONS AND VERIFIED ANSWERS | 100% CORRECT
SOLUTIONS | C777 OA WEB DEVELOPMENT APPLICATIONS |
(GUARANTEED SUCCESS)
How should you embed JavaScript code in an HTML5 document to which you are also linking
an external JavaScript file?
A) You must include the call to the external file and the code you want to embed in the same
script statement.
B) You must use separate script statements to call the external file and embed a separate
script.
C) You must place the script statement to call the external file in the body section of your
document, and place the script statement containing the code you want to embed in the
head section of your document.
D) You must place the script statement to call the external file in the head section of your
document, and place the script statement containing the code you want to embed in the
body section of your document. - CORRECT ANSWER-You must use separate script
statements to call the external file and embed a separate script.
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 - CORRECT ANSWER-The <nav> structure element
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. - CORRECT ANSWER-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
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 - CORRECT ANSWER-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. -
CORRECT ANSWER-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>
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" - CORRECT ANSWER-controls="controls"
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.
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. - CORRECT ANSWER-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. - CORRECT ANSWER-checking your code to verify that it complies with the
syntax rules for your chosen standard.
, What attribute prevents the first frame of the video from displaying while the video is
downloading?
A) The type attribute
B) The src attribute
C) The controls attribute
D) The poster attribute - CORRECT ANSWER-The poster attribute
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
B) The specified DTD in the <main> section of your HTML page
C) The <!DOCTYPE> declaration in the <header> section of your HTML page
D) The specified DTD in the <!DOCTYPE> declaration on your HTML page - CORRECT
ANSWER-The specified DTD in the <!DOCTYPE> declaration on your HTML page
What attribute should you add to the <audio> element if you want your audio to play over
and over again without stopping? A) autoplay="autoplay"
B) loop="autoplay"
C) autoplay="loop"
D) loop="loop" - CORRECT ANSWER-loop="loop"
To what does the term "app" refer?
A) Relatively small programs that enable components of an application to work together to
produce a desired functionality
B) Relatively small applications developed exclusively for mobile devices
C) Relatively simple Web pages that respond to user screen size
D) Relatively simple Web pages that work in multiple environments - CORRECT
ANSWERRelatively small applications developed exclusively for mobile devices
350 QUESTIONS AND VERIFIED ANSWERS | 100% CORRECT
SOLUTIONS | C777 OA WEB DEVELOPMENT APPLICATIONS |
(GUARANTEED SUCCESS)
How should you embed JavaScript code in an HTML5 document to which you are also linking
an external JavaScript file?
A) You must include the call to the external file and the code you want to embed in the same
script statement.
B) You must use separate script statements to call the external file and embed a separate
script.
C) You must place the script statement to call the external file in the body section of your
document, and place the script statement containing the code you want to embed in the
head section of your document.
D) You must place the script statement to call the external file in the head section of your
document, and place the script statement containing the code you want to embed in the
body section of your document. - CORRECT ANSWER-You must use separate script
statements to call the external file and embed a separate script.
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 - CORRECT ANSWER-The <nav> structure element
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. - CORRECT ANSWER-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
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 - CORRECT ANSWER-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. -
CORRECT ANSWER-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>
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" - CORRECT ANSWER-controls="controls"
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.
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. - CORRECT ANSWER-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. - CORRECT ANSWER-checking your code to verify that it complies with the
syntax rules for your chosen standard.
, What attribute prevents the first frame of the video from displaying while the video is
downloading?
A) The type attribute
B) The src attribute
C) The controls attribute
D) The poster attribute - CORRECT ANSWER-The poster attribute
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
B) The specified DTD in the <main> section of your HTML page
C) The <!DOCTYPE> declaration in the <header> section of your HTML page
D) The specified DTD in the <!DOCTYPE> declaration on your HTML page - CORRECT
ANSWER-The specified DTD in the <!DOCTYPE> declaration on your HTML page
What attribute should you add to the <audio> element if you want your audio to play over
and over again without stopping? A) autoplay="autoplay"
B) loop="autoplay"
C) autoplay="loop"
D) loop="loop" - CORRECT ANSWER-loop="loop"
To what does the term "app" refer?
A) Relatively small programs that enable components of an application to work together to
produce a desired functionality
B) Relatively small applications developed exclusively for mobile devices
C) Relatively simple Web pages that respond to user screen size
D) Relatively simple Web pages that work in multiple environments - CORRECT
ANSWERRelatively small applications developed exclusively for mobile devices
