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By @glenncarstenspeters

Understanding the Internet

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Questions and Answers

What is the Internet?

A world-wide network of computer networks

What connects hundreds of thousands of individual networks all over the world?

Backbones

What is the process of connecting separate networks called?

Internetworking

What are machines that share information across computers called?

<p>Servers</p> Signup and view all the answers

What do host computers (servers) provide as requested by client systems?

<p>Data and services</p> Signup and view all the answers

What are packets of information decomposed into?

<p>Part of the message and information on sending/receiving machines</p> Signup and view all the answers

What governs the flow of packets between machines on the Internet?

<p>Common rules (protocols)</p> Signup and view all the answers

What type of network is the Internet?

<p>A packet-switching network</p> Signup and view all the answers

What is the standard language for creating web pages and web applications?

<p>Hypertext Markup Language (HTML)</p> Signup and view all the answers

What does HTTP stand for?

<p>Hypertext Transfer Protocol</p> Signup and view all the answers

What is the purpose of DNS (Domain Name System) software?

<p>To coordinate IP addresses and domain names</p> Signup and view all the answers

What is the role of an Internet Service Provider (ISP)?

<p>Provide Internet access for customers</p> Signup and view all the answers

What does a Web browser do?

<p>Renders web pages on a computer</p> Signup and view all the answers

What does HTTPS stand for?

<p>Hypertext Transfer Protocol Secure</p> Signup and view all the answers

What type of web page displays different content each time it's viewed?

<p>Dynamic web page</p> Signup and view all the answers

What does HTML use to tell the Web browser how to display the text contained in the document?

<p>Codes, or tags</p> Signup and view all the answers

What does a Domain Name Server (DNS) do?

<p>Associates domain names with specific IP addresses</p> Signup and view all the answers

What is the role of an Internet Service Provider (ISP)?

<p>Provides Internet access for customers</p> Signup and view all the answers

What does URL stand for?

<p>Uniform Resource Locator</p> Signup and view all the answers

What does a Web server do when a browser requests a file?

<p>Finds the relevant file and returns it to the browser</p> Signup and view all the answers

What is the Internet primarily composed of?

<p>Individual networks worldwide</p> Signup and view all the answers

What is the main purpose of a backbone in the Internet?

<p>Carrying data at high speed</p> Signup and view all the answers

What is the process of connecting separate networks called in the context of the Internet?

<p>Internetworking</p> Signup and view all the answers

What type of network is the Internet?

<p>Packet-switching network</p> Signup and view all the answers

What governs the flow of packets between machines on the Internet?

<p>Transmission control protocol (TCP)</p> Signup and view all the answers

What do host computers (servers) provide as requested by client systems?

<p>Data and services</p> Signup and view all the answers

How do packets of information travel across multiple networks before being reassembled at their destination?

<p>They are broken into packets and travel across multiple networks before being reassembled at their destination</p> Signup and view all the answers

What does the internet use to carry data?

<p>High-speed data lines (backbones)</p> Signup and view all the answers

What is internetworking in the context of the internet?

<p>The process of connecting separate networks.</p> Signup and view all the answers

What is a server in the context of the internet?

<p>A machine that shares information across computers.</p> Signup and view all the answers

What does TCP stand for in the context of internet protocols?

<p>Transmission Control Protocol</p> Signup and view all the answers

What does HTTP stand for?

<p>Hypertext Transfer Protocol</p> Signup and view all the answers

What is the purpose of DNS (Domain Name System) software?

<p>To coordinate IP addresses and domain names for all computers attached to it</p> Signup and view all the answers

What is the standard language for creating web pages and web applications?

<p>Hypertext Markup Language (HTML)</p> Signup and view all the answers

What type of network is the Internet?

<p>A global network of interconnected networks</p> Signup and view all the answers

What connects hundreds of thousands of individual networks all over the world?

<p>The Internet</p> Signup and view all the answers

What do host computers (servers) provide as requested by client systems?

<p>Web files and services</p> Signup and view all the answers

What does a Web server do when a browser requests a file?

<p>Finds the relevant file and returns it to the browser</p> Signup and view all the answers

What are packets of information decomposed into?

<p>Packets are reassembled into the message at the receiving machine.</p> Signup and view all the answers

What is the Internet primarily composed of?

<p>Individual networks connected to the backbone</p> Signup and view all the answers

What is the purpose of DNS (Domain Name System) software?

<p>To translate domain names into IP addresses</p> Signup and view all the answers

What governs the flow of packets between machines on the Internet?

<p>Transmission control protocol (TCP)</p> Signup and view all the answers

What type of web page displays different content each time it's viewed?

<p>.php web page</p> Signup and view all the answers

What is the purpose of DNS (Domain Name System) software in the context of the Internet?

<p>Translating domain names to IP addresses</p> Signup and view all the answers

What is the primary function of an Internet Service Provider (ISP)?

<p>Providing Internet access for its customers</p> Signup and view all the answers

What is the standard language for creating web pages and web applications?

<p>Hypertext Markup Language (HTML)</p> Signup and view all the answers

What does HTTP stand for in the context of internet protocols?

<p>Hypertext Transfer Protocol</p> Signup and view all the answers

How do web browsers primarily locate websites and individual pages?

<p>Using domain name addressing</p> Signup and view all the answers

What is the main function of a Web server when a browser requests a file?

<p>Finding and returning the relevant file to the browser</p> Signup and view all the answers

What is the purpose of HTTPS in internet communication?

<p>Transferring encrypted HTTP data over a secure connection</p> Signup and view all the answers

What does TCP stand for in the context of internet protocols?

<p>Transmission Control Protocol</p> Signup and view all the answers

What type of network is the Internet primarily composed of?

<p>A global internetwork of networks</p> Signup and view all the answers

What is the process of connecting separate networks called in the context of the Internet?

<p>Internetworking</p> Signup and view all the answers

What do host computers (servers) provide as requested by client systems?

<p>Web content and services</p> Signup and view all the answers

Study Notes

What is the Internet?

  • The Internet connects hundreds of thousands of individual networks all over the world.
  • It is a type of internetwork, which is a network of networks.

Key Components of the Internet

  • Host computers (servers) provide information as requested by client systems.
  • Machines that share information across computers are called servers.
  • Packets of information are decomposed into smaller packets for transmission.

Internet Communication

  • The flow of packets between machines on the Internet is governed by protocols such as TCP (Transmission Control Protocol).
  • Packets of information travel across multiple networks before being reassembled at their destination.
  • The Internet uses IP (Internet Protocol) to carry data.

Web Technologies

  • HTML (HyperText Markup Language) is the standard language for creating web pages and web applications.
  • HTML uses tags to tell the Web browser how to display the text contained in the document.
  • HTTP (HyperText Transfer Protocol) is a protocol used for transferring data, including web pages.
  • HTTPS (HyperText Transfer Protocol Secure) is a secure version of HTTP.
  • DNS (Domain Name System) software is used to translate domain names to IP addresses.
  • URL (Uniform Resource Locator) is used to locate websites and individual pages.

Internet Service Providers (ISPs) and Web Servers

  • An Internet Service Provider (ISP) is a company that provides access to the Internet.
  • The primary function of an ISP is to connect users to the Internet.
  • A Web server is a computer that stores and serves website files.
  • When a browser requests a file, a Web server sends the requested file to the browser.

Network Structure

  • The Internet is primarily composed of many interconnected networks.
  • The main purpose of a backbone in the Internet is to interconnect these networks.
  • Internetworking is the process of connecting separate networks, allowing them to communicate with each other.

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