1|Page
WGU C777 WEB DEVELOPMENT APPLICATIONS PA AND OA
EXAM BANK 2026/2027 | ACCURATE REAL EXAM TESTING
VERSIONS AND A STUDY GUIDE | EXPERT VERIFIED FOR
GUARANTEED PASS
1. A developer is building a page using the web development trifecta
and wants each technology to have a clearly defined responsibility.
Which statement BEST describes the relationship among HTML, CSS,
and JavaScript?
A. HTML provides document structure and semantic meaning, CSS
controls presentation and layout, and JavaScript provides behavior and
dynamic interaction.
B. HTML provides animation, CSS performs database operations, and
JavaScript defines the semantic structure.
C. HTML and CSS both control application logic, while JavaScript is used
exclusively to define page colors.
D. CSS creates the document structure, HTML handles browser events,
and JavaScript controls only typography.
Answer: A
2. A developer wants a page to communicate the meaning and
organizational structure of its content to browsers, search engines, and
assistive technologies. Which HTML5 approach is MOST appropriate?
,2|Page
A. Use semantic elements such as <header>, <nav>, <main>, <article>,
<section>, and <footer> according to their intended meaning.
B. Place every piece of content inside generic <div> elements regardless
of its purpose.
C. Use CSS class names as a replacement for semantic HTML elements.
D. Use JavaScript to dynamically rename every element after the page
loads.
Answer: A
3. A developer needs to identify the primary content of an HTML
document while ensuring that content is not duplicated across pages
through repeated navigation, headers, or footers. Which element is
MOST appropriate?
A. <main>
B. <aside>
C. <nav>
D. <footer>
Answer: A
,3|Page
4. A page contains several navigation links that direct users to major
areas of the website. Which semantic HTML element BEST
communicates the purpose of this group of links?
A. <nav>
B. <article>
C. <figure>
D. <aside>
Answer: A
5. A developer wants to embed a video directly into an HTML5 page
without requiring a third-party plug-in. Which approach is MOST
appropriate?
A. Use the <video> element with one or more appropriate <source>
elements.
B. Use a <table> containing the video URL.
C. Place the video URL inside a <meta> element.
D. Use CSS alone to decode and play the video.
Answer: A
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6. A developer provides multiple video formats within an HTML5
<video> element. What is the PRIMARY reason for using multiple
<source> elements?
A. To allow the browser to select a supported media format when
different browsers or environments support different codecs.
B. To force the browser to download every available video
simultaneously.
C. To increase the HTML document's semantic hierarchy.
D. To prevent the browser from displaying controls.
Answer: A
7. A CSS rule is written as follows:
.warning {
color: red;
font-weight: bold;
}
Which part of the rule identifies the elements to which the declarations
apply?
WGU C777 WEB DEVELOPMENT APPLICATIONS PA AND OA
EXAM BANK 2026/2027 | ACCURATE REAL EXAM TESTING
VERSIONS AND A STUDY GUIDE | EXPERT VERIFIED FOR
GUARANTEED PASS
1. A developer is building a page using the web development trifecta
and wants each technology to have a clearly defined responsibility.
Which statement BEST describes the relationship among HTML, CSS,
and JavaScript?
A. HTML provides document structure and semantic meaning, CSS
controls presentation and layout, and JavaScript provides behavior and
dynamic interaction.
B. HTML provides animation, CSS performs database operations, and
JavaScript defines the semantic structure.
C. HTML and CSS both control application logic, while JavaScript is used
exclusively to define page colors.
D. CSS creates the document structure, HTML handles browser events,
and JavaScript controls only typography.
Answer: A
2. A developer wants a page to communicate the meaning and
organizational structure of its content to browsers, search engines, and
assistive technologies. Which HTML5 approach is MOST appropriate?
,2|Page
A. Use semantic elements such as <header>, <nav>, <main>, <article>,
<section>, and <footer> according to their intended meaning.
B. Place every piece of content inside generic <div> elements regardless
of its purpose.
C. Use CSS class names as a replacement for semantic HTML elements.
D. Use JavaScript to dynamically rename every element after the page
loads.
Answer: A
3. A developer needs to identify the primary content of an HTML
document while ensuring that content is not duplicated across pages
through repeated navigation, headers, or footers. Which element is
MOST appropriate?
A. <main>
B. <aside>
C. <nav>
D. <footer>
Answer: A
,3|Page
4. A page contains several navigation links that direct users to major
areas of the website. Which semantic HTML element BEST
communicates the purpose of this group of links?
A. <nav>
B. <article>
C. <figure>
D. <aside>
Answer: A
5. A developer wants to embed a video directly into an HTML5 page
without requiring a third-party plug-in. Which approach is MOST
appropriate?
A. Use the <video> element with one or more appropriate <source>
elements.
B. Use a <table> containing the video URL.
C. Place the video URL inside a <meta> element.
D. Use CSS alone to decode and play the video.
Answer: A
, 4|Page
6. A developer provides multiple video formats within an HTML5
<video> element. What is the PRIMARY reason for using multiple
<source> elements?
A. To allow the browser to select a supported media format when
different browsers or environments support different codecs.
B. To force the browser to download every available video
simultaneously.
C. To increase the HTML document's semantic hierarchy.
D. To prevent the browser from displaying controls.
Answer: A
7. A CSS rule is written as follows:
.warning {
color: red;
font-weight: bold;
}
Which part of the rule identifies the elements to which the declarations
apply?
