WGU C777 OA WEB DEVELOPMENT APPLICATIONS
Questions and Verified Answers
100% Guarantee Pass
1. HTML5 APIs can be used to
Answer: create apps for mobile devices.
2. 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?:
Answer: The <nav> structure element
3. What is an advantage of using HTML5 APIs when designing Web pages for
mobile devices?:
Answer:HTML5 APIs use fewer resources than a proprietary browser plug-in does, such as battery power
and CPU memory
4. Code validation is the process of
Answer: checking your code to verify that it complies with the syntax rules for your chosen standard
5. 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>
Which attribute and value must you add to the <audio> element to incorporate
default audio operations such as Play, Pause, Volume, etc.?:
Answer:controls="controls"
6. Which of the following can be considered a benefit of developing Web pages using
the "Web development trifecta"?:
Answer:You can create Web pages that easily adapt to smartphones, tablets, gaming devices and smart
TVs, as well as to traditional computers
7. For what should you use the controls attribute of the <video> element?:
Answer: To add video controls such as the Play, Pause, Rewind and Volume controls
8. 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?
Answer:: You will be able to troubleshoot code issues when the GUI Web editor fails
9. 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?:
Answer:The poster attribute
10. What does the W3C Markup Validation Service use to determine the HTML
specification against which to validate your Web page markup code?:
Answer:The specified DTD in the <!DOCTYPE> declaration on your HTML page
11. What attribute should you add to the <audio> element if you want your audio
, to play over and over again without stopping?:
Answer:loop="loop"
12. What can you do to ensure that your Web page content is rendered appro-
priately regardless of the browser used to render it?:
Answer: Follow W3C standards carefully, choose one standard version of any given language you use, and
apply that standard consistently.
13. Which HTML 4.01 flavor required the separation of presentation and con-
tent?:
Answer: HTML 4.01 Strict
14. To what does the term "app" refer?:
Answer: Relatively small applications developed exclusively for mobile devices
15. The HTML5 specification supports, among others, the popular MP3, Ogg and
WAV audio formats. Which of the following major Web browsers supports all
three of these formats?:
Answer:Chrome and Firefox
16. What distinguishes Extensible HTML (XHTML) from other versions of HTML?-
Answer:: XHTML incorporates the strict syntax rules of Extensible Markup Language (XML) with the existing set of HTML
4.01 tags to create Web documents
17. Which of the following is no longer necessary when you use HTML5 to
Questions and Verified Answers
100% Guarantee Pass
1. HTML5 APIs can be used to
Answer: create apps for mobile devices.
2. 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?:
Answer: The <nav> structure element
3. What is an advantage of using HTML5 APIs when designing Web pages for
mobile devices?:
Answer:HTML5 APIs use fewer resources than a proprietary browser plug-in does, such as battery power
and CPU memory
4. Code validation is the process of
Answer: checking your code to verify that it complies with the syntax rules for your chosen standard
5. 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>
Which attribute and value must you add to the <audio> element to incorporate
default audio operations such as Play, Pause, Volume, etc.?:
Answer:controls="controls"
6. Which of the following can be considered a benefit of developing Web pages using
the "Web development trifecta"?:
Answer:You can create Web pages that easily adapt to smartphones, tablets, gaming devices and smart
TVs, as well as to traditional computers
7. For what should you use the controls attribute of the <video> element?:
Answer: To add video controls such as the Play, Pause, Rewind and Volume controls
8. 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?
Answer:: You will be able to troubleshoot code issues when the GUI Web editor fails
9. 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?:
Answer:The poster attribute
10. What does the W3C Markup Validation Service use to determine the HTML
specification against which to validate your Web page markup code?:
Answer:The specified DTD in the <!DOCTYPE> declaration on your HTML page
11. What attribute should you add to the <audio> element if you want your audio
, to play over and over again without stopping?:
Answer:loop="loop"
12. What can you do to ensure that your Web page content is rendered appro-
priately regardless of the browser used to render it?:
Answer: Follow W3C standards carefully, choose one standard version of any given language you use, and
apply that standard consistently.
13. Which HTML 4.01 flavor required the separation of presentation and con-
tent?:
Answer: HTML 4.01 Strict
14. To what does the term "app" refer?:
Answer: Relatively small applications developed exclusively for mobile devices
15. The HTML5 specification supports, among others, the popular MP3, Ogg and
WAV audio formats. Which of the following major Web browsers supports all
three of these formats?:
Answer:Chrome and Firefox
16. What distinguishes Extensible HTML (XHTML) from other versions of HTML?-
Answer:: XHTML incorporates the strict syntax rules of Extensible Markup Language (XML) with the existing set of HTML
4.01 tags to create Web documents
17. Which of the following is no longer necessary when you use HTML5 to
