Understanding the Internet

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Questions and Answers

What is the Internet?

  • A world-wide network of computer networks (correct)
  • A single global computer system
  • A network owned and managed by national governments
  • A collection of independent computer systems

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

  • Modems
  • Routers
  • Servers
  • Backbones (correct)

What is the process of connecting separate networks called?

  • Internetworking (correct)
  • Networking
  • Interconnecting
  • Intranetworking

What are machines that share information across computers called?

<p>Servers (C)</p> Signup and view all the answers

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

<p>Data and services (A)</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 (B)</p> Signup and view all the answers

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

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

What type of network is the Internet?

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

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

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

What does HTTP stand for?

<p>Hypertext Transfer Protocol (C)</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 (D)</p> Signup and view all the answers

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

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

What does a Web browser do?

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

What does HTTPS stand for?

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

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

<p>Dynamic web page (B)</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 (C)</p> Signup and view all the answers

What does a Domain Name Server (DNS) do?

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

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

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

What does URL stand for?

<p>Uniform Resource Locator (C)</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 (A)</p> Signup and view all the answers

What is the Internet primarily composed of?

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

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

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

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

<p>Internetworking (C)</p> Signup and view all the answers

What type of network is the Internet?

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

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

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

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

<p>Data and services (B)</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 (A)</p> Signup and view all the answers

What does the internet use to carry data?

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

What is internetworking in the context of the internet?

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

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

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

What does HTTP stand for?

<p>Hypertext Transfer Protocol (C)</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 (A)</p> Signup and view all the answers

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

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

What type of network is the Internet?

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

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

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

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

<p>Web files and services (B)</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 (B)</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. (D)</p> Signup and view all the answers

What is the Internet primarily composed of?

<p>Individual networks connected to the backbone (D)</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 (A)</p> Signup and view all the answers

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

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

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

<p>.php web page (C)</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 (B)</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 (B)</p> Signup and view all the answers

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

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

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

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

How do web browsers primarily locate websites and individual pages?

<p>Using domain name addressing (A)</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 (B)</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 (B)</p> Signup and view all the answers

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

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

What type of network is the Internet primarily composed of?

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

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

<p>Internetworking (B)</p> Signup and view all the answers

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

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

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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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