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Questions and Answers
The DNS (Domain Name Service) existed before the Web was invented.
True
SMTP and DNS are technologies developed by Tim Berners-Lee.
False
The IPv4 address space can encode 2^32 addresses, while IPv6 can encode 2^128 addresses.
True
192.16.196.210 is a valid IPv4 address.
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The World Wide Web was originally invented by the US military.
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HTML5 documents represent a tree with the html element as the root of the tree.
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The section element is an example of semantic markup introduced in HTML5.
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The selector div.question indicates that a style rule should be applied to all div elements that have a class attribute with the value 'question'.
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CSS3 media queries are used to write style rules that adapt the rendering of HTML to a wide variety of devices.
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The rule p {font-weight: bold;} is a correct CSS style rule for making p elements bold.
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