36. Which attribute is used to specify an external CSS file in HTML?
a) src
b) style
c) link
d) href
Answer: d) href
37. Which tag is used to create a bulleted list in HTML?
a) <ol>
b) <li>
c) <ul>
d) <dl>
Answer: c) <ul>
38. Which company is the creator of the PHP programming language?
a) Facebook
b) Microsoft
c) Oracle
d) PHP Group
Answer: d) PHP Group
39. Which property is used to align content vertically in CSS?
a) align
b) justify
c) vertical-align
d) flex
Answer: c) vertical-align
40. Which tag is used to define a header in HTML?
a) <header>
b) <h1>
c) <head>
d) <heading>
Answer: b) <h1>