Basics of the Web

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37 Terms

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Internet machine

is assigned a unique address, which is called an IP address.

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DNS servers

(cumulatively) are processing billions of requests across the internet at any given time.

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HTTP protocol

used for transmission of files between servers and clients.

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IPV4

Each number in a(n) number is called an "octet "because it's a base10 equivalent of an 8- digit base- 2 (binary) number used in routing network traffic.

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millions of host

A given domain can potentially contain names as long as they 're all unique to that domain.

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online user

Typing in a long IP address is not ideal, or practical, for a(n) to navigate quickly across the Network.

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27

Each digit in the binary number is the placeholder for a certain power of two from 2 to , reading from right to left.

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domain name

A subdomain is a subdivision of a(n) , allowing you to put content in your URL before your namespace.

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Server applications

can be run by PCs, Macintoshes, UNIX workstations and even single terminals.

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browser

The makes a HTTP request to the IP address.

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EDU

- restricted to schools and educational organizations.

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URL

Computers remember numbers, and DNS helps to translate the to an IP address that the machine can use.

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DNS

is concerned with a domain name being translated into the appropriate IP address.

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numeral strings

Words are easier to remember than .

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IP

It acts as a(n) address directory service.

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Country code TLDs

represents specific geographic locations.

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billions of IP

There are addresses currently in use, and most machines have a human- readable name as well.

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domain name

A(n) is part of a URL, which stands for Uniform Resource Locator.

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URL

is the abbreviation for Uniform Resource Locator and is known on the World Wide Web as the global address of documents and other resources.

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IP

Computers rely on a language consisting of numbers and letters called a(n) address, so that computer networks and servers can "speak to each other ..

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Servers that can also be PCs, Macintosh systems or workstations from UNIX

it is the server software that makes them different, not the machine itself

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Another significant thing about servers

they are comparatively hard to set up

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If you're a non

technical person who wants to be published on the Internet, it's best to rent some room on someone else's site

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Among other Internet services, HTTP has its counterparts

FTP, file transfer protocol, and Gopher are protocols which obtain different kinds of information from across the Internet

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Web browsers normally prepend http

/ to user-entered URIs automatically, if omitted

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So looks a standard IP address

199.123.456.7

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An IP address in the IPV4 standard has four numbers separated by three decimals, as in

70.74.251.42

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There are only 256 possibilities for the value of each octet

the numbers 0 through 255

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For example

.in represents India

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COM

commercial websites, though open to everyone

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NET

network websites, though open to everyone

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ORG

non-profit organization websites, though open to everyone

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EDU

restricted to schools and educational organizations

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MIL

restricted to the U.S. military

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GOV

restricted to the U.S. government

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US, UK, RU and other two-letter country codes

each is assigned to a domain name authority in the respective country

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For example

If a customer buys a domain with 123 Reg,