WGU C779 OA EXAM 2026/2026 WGU C779
WEB DEVELOPMENT FOUNDATIONS
EXAM, PRACTICE EXAM AND STUDY
GUIDE 500 QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT)
AND RATIONALES /A+ GRADE
ASSURED/NEW!!
What enables applications to add updates to an interface
without the need to refresh the page? - ...ANSWER...Ajax
What is a benefit of using a virtual machine on a shared host?
- ...ANSWER...Reduced costs with less physical equipment
Which hosting solution requires the purchase of hardware and
software? - ...ANSWER...In-house
What is a characteristic of a virtual server? -
...ANSWER...Multiple sites are hosted on individual servers.
Which HTML5 geolocation API process retrieves the user's
latitude and longitude? - ...ANSWER...getCurrentPosition()
Which tag uses the manifest attribute to enable the offline
support for a web page? - ...ANSWER...<html>
What is the purpose of the WebM MIME type? -
...ANSWER...Uses a file format to stream online videos
,Which HTML5 element has a poster attribute? -
...ANSWER...Video
Which technique is used to reduce the number of calls for
static files? - ...ANSWER...Caching
Which responsibility is expected of a web project manager? -
...ANSWER...Communicating with all stakeholders
What is the maximum recommended file size for a web page
in order to avoid long download times? - ...ANSWER...100
KB
Which database type can store data in a single table only? -
...ANSWER...Flat file
Which audience development technique can initiate an
interaction with an online visitor? - ...ANSWER...Push
technology
What is used to give web applications the same
responsiveness as desktop applications? - ...ANSWER...Ajax
Which advantage does a dedicated mobile website have,
compared to a mobile application? - ...ANSWER...Cross-
platform usability
The HR Department has asked your Web team to create a
Web page for the company's intranet site that will compare the
company's three different employee insurance plan options.
What is the most effective way to accomplish this? -
....ANSWER...Use document structure tags to lay out the
,page, and use a table to organize the insurance plan
information.
Mia is a Web developer working on a Web team that is
currently coding some new pages for their company's site. As
she creates each page, Mia adds comments to her code. Why?
- ....ANSWER...To explain the purpose of code sections to
other developers
Zack developed his corporation's intranet site using
proprietary HTML language extensions based on the
company's current browser at the time. The company has
recently updated its systems to include the use of a new
browser. Now the intranet site that Zack developed no longer
renders its content consistently. What should Zack do to
ensure that this site's content renders consistently going
forward, regardless of the browser used? -
....ANSWER...Update the site using a single W3C language
standard consistently, such as HTML5 or XHTML
Which Web-ready image file formats support animation? -
....ANSWER...GIF 89a and PNG
Marcel is inserting images into an HTML page. When he
previews the page, the images render well. But when he tries
to validate his page, the code will not validate. Which image-
insertion tag and attribute are required in order for Marcel's
HTML5 page to validate without error? -
....ANSWER...<img> tag, alt attribute
The HTML <area> tag, which defines the coordinates of an
image map, uses which of the following attributes? -
....ANSWER...href
, What is the RGB code for the color red? -
....ANSWER...255,0,0
You have been directed to change this form field so that users
can select more than one option from this list. In addition to
rewording the page text, which change must you make to the
code? - ....ANSWER...Add the multiple="multiple" attribute
and value to the <select> element.
You are creating a Web form in HTML5 for your site. You
want to make sure you code it correctly to process data. You
have included the action attribute in the <form> element.
What else do you need to include? - ....ANSWER...The
method attribute of the <form> element
Extensible Markup Language (XML) can be used for which
purpose? - ....ANSWER...To allow data to be interchanged
with all types of applications
You are developing pages for your company's Web site. You
want to ensure that the pages are easily viewable on mobile
devices. Which factor must you consider when developing the
pages? - ....ANSWER...Smaller screens are used to view Web
pages previously viewed only on much larger PC monitors.
An organization has users which run older versions of Internet
Explorer. Which action should be done to ensure that that web
page content is visible in all browsers? - ...ANSWER...Add
JavaScript code to HTML documents and create a new CSS
rule.
WEB DEVELOPMENT FOUNDATIONS
EXAM, PRACTICE EXAM AND STUDY
GUIDE 500 QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT)
AND RATIONALES /A+ GRADE
ASSURED/NEW!!
What enables applications to add updates to an interface
without the need to refresh the page? - ...ANSWER...Ajax
What is a benefit of using a virtual machine on a shared host?
- ...ANSWER...Reduced costs with less physical equipment
Which hosting solution requires the purchase of hardware and
software? - ...ANSWER...In-house
What is a characteristic of a virtual server? -
...ANSWER...Multiple sites are hosted on individual servers.
Which HTML5 geolocation API process retrieves the user's
latitude and longitude? - ...ANSWER...getCurrentPosition()
Which tag uses the manifest attribute to enable the offline
support for a web page? - ...ANSWER...<html>
What is the purpose of the WebM MIME type? -
...ANSWER...Uses a file format to stream online videos
,Which HTML5 element has a poster attribute? -
...ANSWER...Video
Which technique is used to reduce the number of calls for
static files? - ...ANSWER...Caching
Which responsibility is expected of a web project manager? -
...ANSWER...Communicating with all stakeholders
What is the maximum recommended file size for a web page
in order to avoid long download times? - ...ANSWER...100
KB
Which database type can store data in a single table only? -
...ANSWER...Flat file
Which audience development technique can initiate an
interaction with an online visitor? - ...ANSWER...Push
technology
What is used to give web applications the same
responsiveness as desktop applications? - ...ANSWER...Ajax
Which advantage does a dedicated mobile website have,
compared to a mobile application? - ...ANSWER...Cross-
platform usability
The HR Department has asked your Web team to create a
Web page for the company's intranet site that will compare the
company's three different employee insurance plan options.
What is the most effective way to accomplish this? -
....ANSWER...Use document structure tags to lay out the
,page, and use a table to organize the insurance plan
information.
Mia is a Web developer working on a Web team that is
currently coding some new pages for their company's site. As
she creates each page, Mia adds comments to her code. Why?
- ....ANSWER...To explain the purpose of code sections to
other developers
Zack developed his corporation's intranet site using
proprietary HTML language extensions based on the
company's current browser at the time. The company has
recently updated its systems to include the use of a new
browser. Now the intranet site that Zack developed no longer
renders its content consistently. What should Zack do to
ensure that this site's content renders consistently going
forward, regardless of the browser used? -
....ANSWER...Update the site using a single W3C language
standard consistently, such as HTML5 or XHTML
Which Web-ready image file formats support animation? -
....ANSWER...GIF 89a and PNG
Marcel is inserting images into an HTML page. When he
previews the page, the images render well. But when he tries
to validate his page, the code will not validate. Which image-
insertion tag and attribute are required in order for Marcel's
HTML5 page to validate without error? -
....ANSWER...<img> tag, alt attribute
The HTML <area> tag, which defines the coordinates of an
image map, uses which of the following attributes? -
....ANSWER...href
, What is the RGB code for the color red? -
....ANSWER...255,0,0
You have been directed to change this form field so that users
can select more than one option from this list. In addition to
rewording the page text, which change must you make to the
code? - ....ANSWER...Add the multiple="multiple" attribute
and value to the <select> element.
You are creating a Web form in HTML5 for your site. You
want to make sure you code it correctly to process data. You
have included the action attribute in the <form> element.
What else do you need to include? - ....ANSWER...The
method attribute of the <form> element
Extensible Markup Language (XML) can be used for which
purpose? - ....ANSWER...To allow data to be interchanged
with all types of applications
You are developing pages for your company's Web site. You
want to ensure that the pages are easily viewable on mobile
devices. Which factor must you consider when developing the
pages? - ....ANSWER...Smaller screens are used to view Web
pages previously viewed only on much larger PC monitors.
An organization has users which run older versions of Internet
Explorer. Which action should be done to ensure that that web
page content is visible in all browsers? - ...ANSWER...Add
JavaScript code to HTML documents and create a new CSS
rule.
