Introduction to the Internet and Web
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Questions and Answers

Which of the following best describes the Internet?

  • An offline network of computers
  • A specific application for browsing
  • A collection of different websites
  • A global network of interconnected devices and computers (correct)

    • The World Wide Web is synonymous with the Internet.

    False

    What is a web browser?

    An application used to access and view websites.

    A ______ is a string that identifies a realm of administrative autonomy, authority or control on the Internet.

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

    What is the primary function of hyperlinks in web pages?

    <p>To provide access from one document to another</p> Signup and view all the answers

    Hypertext supports instant information cross-referencing on the web.

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

    What does HTTPS stand for?

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

    How do web pages relate to the World Wide Web?

    <p>Web pages are the primary components or building blocks of the World Wide Web.</p> Signup and view all the answers

    A website is made up of related text, images, and other ______.

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

    VoIP uses analog phone lines for voice calls.

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

    What is the main purpose of FTP?

    <p>To transfer computer files between a server and a client.</p> Signup and view all the answers

    Match the following components to their descriptions:

    <p>Web Browser = Application to access and view websites Hyperlink = Link that provides access between documents Domain Name = String identifying a network or service Web Page = Primary building block of the World Wide Web</p> Signup and view all the answers

    What allows users to communicate and access information through the Internet?

    <p>Interconnected devices</p> Signup and view all the answers

    SMTP stands for ___ Mail Transfer Protocol.

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

    Which protocol is used for secure email transmission?

    <p>None of the above</p> Signup and view all the answers

    HTTPS encrypts data for secure communication over the Internet.

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

    ___ is used for client-side scripting in web applications.

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

    Which of the following is NOT an email protocol?

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

    Match the following protocols with their functions:

    <p>HTTP = Transmitting web pages VoIP = Voice calls over the Internet FTP = File transfers SMTP = Sending emails</p> Signup and view all the answers

    What is the importance of HTTPS?

    <p>It ensures data security and privacy.</p> Signup and view all the answers

    What does a client do in the context of the Internet?

    <p>Requests data from the server</p> Signup and view all the answers

    A server only processes requests from clients that are located nearby.

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

    What is the primary function of the Domain Name System (DNS)?

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

    The most important internet protocols are TCP and _____ .

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

    Match the following components of the Internet with their functions:

    <p>Client = Requests data from a server Server = Responds to client requests DNS = Translates domain names to IP addresses Protocol = Guides data transmission rules</p> Signup and view all the answers

    Which protocol standardizes communications to access web pages?

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

    Every device on the Internet has a unique IP address.

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

    What is a URL?

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

    The protocol enabling web pages to be displayed is based on _____ markup language.

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

    What is the call and response model used for?

    <p>To interact between clients and servers</p> Signup and view all the answers

    Study Notes

    Introduction to the Internet and the World Wide Web

    • The Internet is a global network of interconnected devices and computers.
    • With the Internet, users can access almost any information, communicate with anyone in the world, and do much more.
    • A network is a group of two or more computer systems connected through channels to send and receive data.
    • The World Wide Web (WWW) is a collection of websites accessible through the Internet.
    • WWW is part of the Internet, not synonymous with it.
    • Websites are made up of related text, images, and other resources, often resembling media like articles or programs, or being interactive.
    • Web pages are the fundamental components of the WWW, linked via hyperlinks or hypertext.
    • Hyperlinks allow users to move from one specific spot in a hypertext or hypermedia document to another or a different document entirely.
    • Hypertext enables instant information cross-referencing across web pages.

    Internet Protocols and Technologies

    • Domain names: Strings that identify a realm of administrative autonomy or control; often used to identify internet services like websites and emails
      • Include top-level domains (TLDs), and second-level domains (SLDs)
    • Data transmission rules are defined by protocols.
    • The most important Internet protocol is TCP/IP: Transmission Control Protocol / Internet Protocol which facilitates communication between computers (clients and servers).
    • Client computers request data from servers.
    • Servers respond to client requests.
    • Servers contain data and protocols to ensure smooth operation.

    Protocols

    • HTTP (Hypertext Transfer Protocol): A protocol that enables web browsers and web servers to communicate, which defines how data is transferred across the web.
    • HTTPS (Hypertext Transfer Protocol Secure): A secure version of HTTP with encryption, ensuring secure communication for data privacy during transmission.
    • FTP (File Transfer Protocol): A protocol used to transfer computer files between a server and a client.

    Client & Server Interaction Basics

    • The client and server interact.
    • Clients request data from servers.
    • The client doesn’t hold all data
    • Servers hold data and provide it to clients.

    Specific Protocols

    • SMTP (Simple Mail Transfer Protocol): Email transmission protocol
    • POP3 (Post Office Protocol version 3): Email retrieval protocol
    • IMAP (Internet Message Access Protocol): Another email retrieval protocol
    • VoIP or Voice over Internet Protocol (VoIP): Allows voice calls via a broadband internet connection rather than a physical phone line.

    Domain Name System

    • The Domain Name System (DNS) converts domain names into IP addresses that computers use to locate websites.
    • A DNS server stores the mappings between domain names and IP addresses.

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    Related Documents

    IT101 - Lecture 5

    Description

    This quiz explores the basics of the Internet and the World Wide Web, including their definitions, components, and how they function together. It covers essential concepts such as networks, websites, web pages, and hyperlinks. Test your understanding of these fundamental topics in digital technology!

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