Ch 9: Internet, Intranet, & Extranet

About This Chapter

If you need to refresh your understanding of the Internet, Intranet and Extranet, check out this collection of fun information systems lessons/quizzes. Study the chapter at any time to improve your computer knowledge, study for upcoming exams and finish homework assignments.

Internet, Intranet & Extranet - Chapter Summary

Follow along with our expert instructors to explore several Internet, Intranet and Extranet topics. Using fun and simple lessons, the chapter helps you analyze the Internet's communication standards and the functionality of the World Wide Web. You'll also examine related topics, such as search engines, web applications, cloud computing and more. The chapter comes with multiple-choice practice quizzes to help you check your understanding of the lesson terms and concepts. Our instructors are available to answer any questions you may have, and you can use any computer or mobile device to study. By the end of the chapter, you should be equipped to:

  • Evaluate the core components of the Internet, such as IP addresses, URLs and ISPs
  • Recognize Internet connectivity and communication standards
  • Understand how the World Wide Web works
  • Explain concepts related to search engines, web portals and keywords
  • Analyze Internet communication, collaboration and entertainment web applications
  • Outline the OSI model for sending and receiving data
  • Determine how cloud computing can improve database management
  • Compare the Intranet and Extranet

10 Lessons in Chapter 9: Internet, Intranet, & Extranet
Test your knowledge with a 30-question chapter practice test
The Internet: IP Addresses, URLs, ISPs, DNS & ARPANET

1. The Internet: IP Addresses, URLs, ISPs, DNS & ARPANET

We'll cover the basics of the Internet, including its history and functioning. Key topics include IP addresses, TCP/IP communication protocol, DNS, URLs, and the transfer of information as packets through the Internet.

Internet Connectivity and Communication Standards

2. Internet Connectivity and Communication Standards

This lesson explores the network protocols that aid in data communication. It also discusses networking standards (formal and de facto) and introduces some of the organizations that are involved in establishing these networking standards.

World Wide Web: How the Web Works

3. World Wide Web: How the Web Works

In this lesson, an overview of the World Wide Web is discussed, including its development and operation. The various technologies that enable the Web to work are also described. Topics include Web browsers, hypertext markup language, hypertext transfer protocol, hyperlink and FTP.

Search Engines, Keywords & Web Portals

4. Search Engines, Keywords & Web Portals

Search engines enable users to locate a vast amount of information on any topic quickly and conveniently through the Internet. Common search engines include Google, Yahoo, Bing, and AOL. The topics discussed in this lesson include search engines, Web portals, keywords, Boolean operators, spiders, search forms, database, and meta tags.

Internet Communication: Social Media, Email, Blog, & Chat

5. Internet Communication: Social Media, Email, Blog, & Chat

This lesson talks about how social media adds business value by building networks that enhance competitive advantage, enable the exchange of information, foster strong relationships and serve as a foundation of building professional and personal relationships irrespective of different geographical spaces and time zones.

Internet Collaboration: Second Life, VOIP, Video Conferencing, Virtual Reality & Telepresence

6. Internet Collaboration: Second Life, VOIP, Video Conferencing, Virtual Reality & Telepresence

Today, individuals and businesses are collaborating and interacting online from dispersed locations. Many technologies make it possible to communicate, learn, conduct business, and socialize with people from anywhere in the world. This lesson will discuss various Internet collaboration tools and virtual reality concepts.

Internet & Web Applications for Entertainment

7. Internet & Web Applications for Entertainment

Web applications are on the cutting edge of entertainment and provide countless options from video creation and sharing, to podcasts and music. In this lesson, we'll look at several web applications that keep us entertained for hours.

OSI Model: Using Open Systems Interconnection to Send and Receive Data

8. OSI Model: Using Open Systems Interconnection to Send and Receive Data

The Open System Interconnection (OSI) model describes how data is sent and received over a network. It consists of seven layers: the physical layer, data link layer, network layer, transport layer, session layer, presentation layer, and application layer. This lesson discusses how the OSI model works and the role of each layer for transmitting messages.

Cloud Computing and Databases: Technology to Improve Database Management

9. Cloud Computing and Databases: Technology to Improve Database Management

Cloud computing uses a network of computers to provide services that otherwise would be provided by a single computer or computer server. Learn how cloud computing works and how it allows you to use the same database on multiple devices in this video lesson.

Intranet and Extranet: Comparing Information and Data Dissemination

10. Intranet and Extranet: Comparing Information and Data Dissemination

Organizations rely upon intranets and extranets to share information, communicate with employees, suppliers and customers, and enable collaboration on projects. This lesson explains how intranets and extranets work. It introduces the topics of virtual private networks, tunneling and firewalls.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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