Which attribute is used in the <script> tag to specify the source (URL) of an external JavaScript file?
A). source
B). script
C). src
D). link
How does referencing an external image in HTML differ from referencing an external JavaScript file?
A). It uses the <img> tag with the src attribute pointing to the image file's URL
B). It uses the <script> tag with the src attribute pointing to the JavaScript file's URL
C). It uses the <link> tag with the rel attribute set to 'image'
D). It uses the <style> tag with the src attribute pointing to the image file's URL
How do external JavaScript references contribute to improved website performance?
A). By reducing server load
B). By enhancing code organization
C). By speeding up rendering of HTML content
D). By decreasing page load times
How can you link an external JavaScript file to an HTML document?
A). Using the <style> tag
B). Using the <script> tag
C). Using the <link> tag
D). Using the <img> tag
How can you include an external CSS file in an HTML document using the <link> tag?
A). <link src='styles.css'>
B). <link rel='stylesheet' href='styles.css'>
C). <link type='text/css' href='styles.css'>
D). <link style='styles.css'>
Which attribute is used in the <script> tag to defer the execution of an external JavaScript file until after the HTML content is fully loaded?
A). async
B). defer
C). src
D). execute
What is the purpose of using external JavaScript references in web development?
A). Improving database performance
B). Enhancing security
C). Organizing code for reuse
D). Creating dynamic animations
How can you make an external JavaScript file load asynchronously in an HTML document?
A). <script async src='external.js'></script>
B). <script defer src='external.js'></script>
C). <script execute src='external.js'></script>
D). <script run src='external.js'></script>
Which attribute is used in the <img> tag to specify the source (URL) of an external image file?
A). link
B). href
C). src
D). source
What happens if an external JavaScript file referenced in HTML is not found or fails to load?
A). The HTML file becomes invalid
B). The browser ignores the error
C). The web page displays an error message
D). The CSS styles are applied to the JavaScript file