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Questions and Answers
The DNS (Domain Name Service) existed before the Web was invented.
The DNS (Domain Name Service) existed before the Web was invented.
True
SMTP and DNS are technologies developed by Tim Berners-Lee.
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.
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.
192.16.196.210 is a valid IPv4 address.
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The World Wide Web was originally invented by the US military.
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.
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.
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'.
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.
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.
The rule p {font-weight: bold;} is a correct CSS style rule for making p elements bold.
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