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

<p>Data and services (A)</p>
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What are packets of information decomposed into?

<p>Part of the message and information on sending/receiving machines (B)</p>
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What governs the flow of packets between machines on the Internet?

<p>Common rules (protocols) (B)</p>
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What type of network is the Internet?

<p>A packet-switching network (D)</p>
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What is the standard language for creating web pages and web applications?

<p>Hypertext Markup Language (HTML) (B)</p>
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What does HTTP stand for?

<p>Hypertext Transfer Protocol (C)</p>
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What is the purpose of DNS (Domain Name System) software?

<p>To coordinate IP addresses and domain names (D)</p>
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What is the role of an Internet Service Provider (ISP)?

<p>Provide Internet access for customers (D)</p>
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What does a Web browser do?

<p>Renders web pages on a computer (B)</p>
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What does HTTPS stand for?

<p>Hypertext Transfer Protocol Secure (C)</p>
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What type of web page displays different content each time it's viewed?

<p>Dynamic web page (B)</p>
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What does HTML use to tell the Web browser how to display the text contained in the document?

<p>Codes, or tags (C)</p>
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What does a Domain Name Server (DNS) do?

<p>Associates domain names with specific IP addresses (D)</p>
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What is the role of an Internet Service Provider (ISP)?

<p>Provides Internet access for customers (B)</p>
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What does URL stand for?

<p>Uniform Resource Locator (C)</p>
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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>
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What is the Internet primarily composed of?

<p>Individual networks worldwide (B)</p>
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What is the main purpose of a backbone in the Internet?

<p>Carrying data at high speed (C)</p>
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What is the process of connecting separate networks called in the context of the Internet?

<p>Internetworking (C)</p>
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What type of network is the Internet?

<p>Packet-switching network (D)</p>
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What governs the flow of packets between machines on the Internet?

<p>Transmission control protocol (TCP) (C)</p>
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What do host computers (servers) provide as requested by client systems?

<p>Data and services (B)</p>
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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>
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What does the internet use to carry data?

<p>High-speed data lines (backbones) (A)</p>
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What is internetworking in the context of the internet?

<p>The process of connecting separate networks. (C)</p>
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What is a server in the context of the internet?

<p>A machine that shares information across computers. (A)</p>
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What does TCP stand for in the context of internet protocols?

<p>Transmission Control Protocol (C)</p>
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What does HTTP stand for?

<p>Hypertext Transfer Protocol (C)</p>
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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>
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What is the standard language for creating web pages and web applications?

<p>Hypertext Markup Language (HTML) (D)</p>
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What type of network is the Internet?

<p>A global network of interconnected networks (C)</p>
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What connects hundreds of thousands of individual networks all over the world?

<p>The Internet (B)</p>
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What do host computers (servers) provide as requested by client systems?

<p>Web files and services (B)</p>
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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>
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What are packets of information decomposed into?

<p>Packets are reassembled into the message at the receiving machine. (D)</p>
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What is the Internet primarily composed of?

<p>Individual networks connected to the backbone (D)</p>
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What is the purpose of DNS (Domain Name System) software?

<p>To translate domain names into IP addresses (A)</p>
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What governs the flow of packets between machines on the Internet?

<p>Transmission control protocol (TCP) (A)</p>
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What type of web page displays different content each time it's viewed?

<p>.php web page (C)</p>
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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>
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What is the primary function of an Internet Service Provider (ISP)?

<p>Providing Internet access for its customers (B)</p>
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What is the standard language for creating web pages and web applications?

<p>Hypertext Markup Language (HTML) (D)</p>
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What does HTTP stand for in the context of internet protocols?

<p>Hypertext Transfer Protocol (C)</p>
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How do web browsers primarily locate websites and individual pages?

<p>Using domain name addressing (A)</p>
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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>
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What is the purpose of HTTPS in internet communication?

<p>Transferring encrypted HTTP data over a secure connection (B)</p>
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What does TCP stand for in the context of internet protocols?

<p>Transmission Control Protocol (B)</p>
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What type of network is the Internet primarily composed of?

<p>A global internetwork of networks (B)</p>
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What is the process of connecting separate networks called in the context of the Internet?

<p>Internetworking (B)</p>
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What do host computers (servers) provide as requested by client systems?

<p>Web content and services (D)</p>
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Flashcards

What is the Internet?

A world-wide network of computer networks.

What connects individual networks?

Backbones connect hundreds of thousands of individual networks all over the world.

What is internetworking?

Internetworking is the process of connecting separate networks.

What are servers?

Servers are machines that share information across computers.

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What do servers provide?

Host computers (servers) provide data and services to client systems upon request.

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What is a packet?

Packets of information are decomposed into part of the message and information on sending/receiving machines.

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What are internet protocols?

Common rules (protocols) govern the flow of packets between machines on the Internet.

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The Internet is what type of network?

Packet-switching network

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What is HTML?

Hypertext Markup Language (HTML) is the standard language for creating web pages and web applications.

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What does HTTP stand for?

Hypertext Transfer Protocol (HTTP)

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What does DNS do?

DNS (Domain Name System) software coordinates IP addresses and domain names.

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What is an ISP?

An Internet Service Provider (ISP) provides Internet access for customers.

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What does a browser do?

A Web browser renders web pages on a computer.

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What does HTTPS stand for?

Hypertext Transfer Protocol Secure (HTTPS)

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What is a dynamic web page?

A dynamic web page displays different content each time it's viewed.

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What are HTML tags?

HTML uses codes, or tags, to tell the Web browser how to display the text contained in the document.

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What does DNS do?

A Domain Name Server (DNS) associates domain names with specific IP addresses.

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What is the role of an ISP?

An Internet Service Provider (ISP) provides Internet access for customers.

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What does URL stand for?

Uniform Resource Locator (URL)

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What does a web server do?

When a browser requests a file, the Web server finds the relevant file and returns it to the browser.

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What is the Internet?

Individual connected networks worldwide

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Main purpose of a backbone?

Carrying data at high speed

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What is internetworking?

The process of connecting separate networks.

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What governs packet flow?

Transmission control protocol (TCP)

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What do servers provide clients?

Data and services

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How do packets travel?

They are broken into packets and travel across multiple networks before being reassembled at their destination

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How does Internet carry data?

High-speed data lines (backbones)

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What is a server?

A machine that shares information across computers.

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What is the function of the DNS?

Translation of domain names to IP addresses

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How do browsers find sites?

Browsers locate websites with them

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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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