Copyright

Ch 5: Internet, Intranet, and Extranet: Help and Review

About This Chapter

The Internet, Intranet and Extranet chapter of this College Information Systems and Computer Applications Help and Review course is the simplest way to master the internet, intranet and extranet. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn the essentials of the internet, intranet and extranet.

Who's it for?

Anyone who needs help learning or mastering college information systems material will benefit from taking this course. There is no faster or easier way to learn college information systems. Among those who would benefit are:

  • Students who have fallen behind in understanding the internet or working with the intranet and extranet
  • Students who struggle with learning disabilities or learning differences, including autism and ADHD
  • Students who prefer multiple ways of learning business topics (visual or auditory)
  • Students who have missed class time and need to catch up
  • Students who need an efficient way to learn about the internet, intranet and extranet
  • Students who struggle to understand their teachers
  • Students who attend schools without extra business learning resources

How it works:

  • Find videos in our course that cover what you need to learn or review.
  • Press play and watch the video lesson.
  • Refer to the video transcripts to reinforce your learning.
  • Test your understanding of each lesson with short quizzes.
  • Verify you're ready by completing the Internet, Intranet and Extranet chapter exam.

Why it works:

  • Study Efficiently: Skip what you know; review what you don't.
  • Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
  • Be Ready on Test Day: Use the Internet, Intranet and Extranet chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any internet, intranet or extranet question. They're here to help!
  • Study With Flexibility: Watch videos on any web-ready device.

Students will review:

This chapter helps students review the concepts in an Internet, Intranet and Extranet unit of a standard college information systems course. Topics covered include:

  • How the World Wide Web works
  • Web page design and programming languages
  • Internet communication and collaboration
  • Search engines, keywords and Web portals
  • Seven layers of the open systems interconnection (OSI) model

36 Lessons in Chapter 5: Internet, Intranet, and Extranet: Help and Review
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.

World Wide Web: How the Web Works

2. 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.

Web Page Design and Programming Languages: HTML, XHTML, XML, CSS & JavaScript

3. Web Page Design and Programming Languages: HTML, XHTML, XML, CSS & JavaScript

Web design is the creation and visual design of documents displayed on the World Wide Web. It is important to create engaging and visually appealing websites to attract and retain customers. Many factors must be considered when designing a website. This video will explore the steps in Web design and the programming languages needed to create a dynamic and interactive website.

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

4. 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

5. 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.

Search Engines, Keywords & Web Portals

6. 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.

Intranet and Extranet: Comparing Information and Data Dissemination

7. 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.

Internet Connectivity and Communication Standards

8. 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.

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

9. 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.

e-commerce & m-commerce: Buying & Selling on the Web & Mobile Devices

10. e-commerce & m-commerce: Buying & Selling on the Web & Mobile Devices

E-commerce and m-commerce have transformed the way that organizations and consumers conduct business. Additional topics discussed in this lesson include B2B, B2C, C2C, and e-government.

What Is Telecommuting? - Definition, Advantages & Disadvantages

11. What Is Telecommuting? - Definition, Advantages & Disadvantages

In today's lesson, we will discuss telecommuting. We will cover what it means to telecommute, some benefits of telecommuting, and some disadvantages of telecommuting.

Application Layer of the OSI Model: Definition, Functions & Protocols

12. Application Layer of the OSI Model: Definition, Functions & Protocols

Learn about how the Application Layer of the OSI model allows us to perform basic daily activities. Go over the definition of the Application Layer as well as its various functions and protocols.

Extensible Markup Language (XML): Definition & Explanation

13. Extensible Markup Language (XML): Definition & Explanation

In this lesson we will define what XML is, show you what XML looks like, and briefly share what XML can do for us. We will also look at examples of XML documents.

Hypertext Markup Language (HTML): Definition & History

14. Hypertext Markup Language (HTML): Definition & History

In this lesson, we will be discussing Hypertext Markup Language (HTML) basics. You will learn how to begin creating a Web page using HTML, what is meant by HTML code, how HTML elements or tags are formatted, and the HTML code elements required for each web page created.

Hypertext Transfer Protocol: Definition & Examples

15. Hypertext Transfer Protocol: Definition & Examples

HTTP is short for Hypertext Transfer Protocol, and includes the basic rules for displaying a web page on the screen of a computer, smart phone, tablet, or any mobile device. In this lesson, we'll learn about Hypertext Transfer Protocol and how it works.

Internet Engineering Task Force (IETF): Standards & Protocol

16. Internet Engineering Task Force (IETF): Standards & Protocol

The Internet Engineering Task Force is an online community designed to enhance the architectural evolution of the Internet. It develops the vast protocols that we use in order to standardize the Internet and its interchangeability capabilities.

Internet Packet: Definition & Explanation

17. Internet Packet: Definition & Explanation

In this lesson, we'll define Internet packets and describe Internet packet construction. We'll also discuss the 14 fields comprising a typical data packet and how you can test for and correct packet loss problems, such as signal loss.

Markup Language: Definition & Examples

18. Markup Language: Definition & Examples

Web pages are displayed to millions of people every day, and each page employs a markup language. In this lesson, we will learn what a markup language is and how markup language commands (tags) are constructed.

Post Office Protocol (POP): Definition & Overview

19. Post Office Protocol (POP): Definition & Overview

This lesson will define POP, explain a little about how the technology works and how it came about, as well as give some examples of everyday usage. You'll then be able to test your new-found knowledge with a quiz.

Security Perimeter: Definition, Solutions & Devices

20. Security Perimeter: Definition, Solutions & Devices

In this lesson, you will learn the definition of security perimeter. Additionally, you will learn about the devices, equipment, and technologies used to secure a network's perimeter.

Web Presence: Definition & Importance

21. Web Presence: Definition & Importance

In this lesson, we'll find out what it means to have an effective web presence, as well as the different tools we can use to establish ourselves and our businesses online. We'll explore the use of websites, blogs, email, and social media, including the three key pages found on most websites.

What is a Computer Virus? - Definition, Types & Protection

22. What is a Computer Virus? - Definition, Types & Protection

In this lesson, we'll discover the nature of computer viruses and how they are commonly spread. We'll look at the types of viruses, protection schemes, and some real-life examples.

What is a Host Name? - Definition & Examples

23. What is a Host Name? - Definition & Examples

In this lesson, we will define the term host name. You'll learn more about the importance, value and purpose of a host name. We'll also provide examples and give you an opportunity to test your knowledge.

What is a Hyperlink? - Definition & Explanation

24. What is a Hyperlink? - Definition & Explanation

This article discusses hyperlinks, which are often the jumping-off point for navigating the Internet. We'll define the term 'hyperlink', talk about how hyperlinks came about, and explain how they are used.

What Is a Meta Tag? - Definition & Examples

25. What Is a Meta Tag? - Definition & Examples

In this lesson we will explain what an HTML meta tag is. Along the way, we will show you a number of examples and also show you how helpful meta tags can be.

What is a Server? - Definition & Explanation

26. What is a Server? - Definition & Explanation

In this lesson, we'll define what a server is, the configurations that make systems function as servers, and the differences from computers built as servers. We'll also examine some of the different types of servers and their capabilities.

What is a Trojan Horse Virus? - Definition, Examples & Removal Options

27. What is a Trojan Horse Virus? - Definition, Examples & Removal Options

During this lesson, we will describe a Trojan horse and why it is used. We will also learn the identification of several potential targets. Finally, we will discuss some preventative actions to help avoid future Trojan horse attacks.

What is a URL? - Definition & Examples

28. What is a URL? - Definition & Examples

In this lesson, you'll learn about the uniform resource locator (URL) and how it can be used to identify the difference between a secured and an unsecured website. You'll also find out how to construct and deconstruct a URL.

What is a Web Domain? - Definition & Explanation

29. What is a Web Domain? - Definition & Explanation

During this lesson we will learn what a web domain is and the significant role the domain name plays in attracting customers. We will also discuss the Domain Name System (DNS), and we will identify and describe the eight top-level domains (TLDs). Last but not least, we will discuss the syntax rules applicable to domain name construction.

What are Emoticons? - Definition & Examples

30. What are Emoticons? - Definition & Examples

Find out what emoticons are, and how to create them. Learn what the different emoticon symbols mean. Read the lesson, then take a quiz to test your new knowledge.

What is Web Service Endpoint? - Definition & Concept

31. What is Web Service Endpoint? - Definition & Concept

In this lesson, we will explore web service endpoints. We will define a web service endpoint, investigate some of the words related to web service endpoints, and share a metaphor that will help explain the concept.

Responsive Web Design: Examples & Explanation

32. Responsive Web Design: Examples & Explanation

In this lesson, you will learn about responsive web design--what it is, where it came from, and how it's used to help web designers create pages for multiple Internet-capable devices. At the end of the lesson, test your knowledge with a short quiz.

What is Web Technology? - Definition & Trends

33. What is Web Technology? - Definition & Trends

Chances are you've heard the term web technology thrown around quite a bit, but have you ever stopped to think about what it means? In this lesson, we'll cover not only the definition of web technology but also provide you with some examples.

What is a Web Service? - Definition & Example

34. What is a Web Service? - Definition & Example

This lesson will define web services and explain what they do on the web. You'll also see some useful examples to provide a clear picture of what web services can do for us.

What is the ASP.NET Web API?

35. What is the ASP.NET Web API?

Web sites are great, but if we can't deliver them to the world, they are no good. We need to reach tablets, mobile phones, and traditional web browsers. The ASP.NET API is a tool to help us to that goal.

What is an Access Violation Error?

36. What is an Access Violation Error?

In this lesson, we will define an Access Violation Error (AVE). We will learn how the error occurs, different types of AVEs and the methods for correcting them.

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

Earning College Credit

Did you know… We have over 160 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Support