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VPNs, Intranets, Extranets - Exercise

VPNs, Intranets, Extranets, and XML

Objective: Describe the characteristics of Intranets, Extranets, and VPNs


This exercise is not scored. It is an opportunity for you to check your understanding of the material covered in the preceding lesson which discussed Intranets, Extranets, and VPNs. When you have completed the exercise, click the Submit button to receive credit for having completed it.


In the left column below are six terms; corresponding examples of these terms are listed in the right column. Match the term on the left column with the most appropriate example in the right column to make a match.
When you think you have all of the terms and their examples matched correctly, click the Submit button and you will see the correct solution on the results page.
Paste your solution into the textbox and click the Submit button.

  1. VPN (Virtual Private Network)
  2. LAN (Local Area Network)
  3. Intranet
  4. WAN
  5. Extranet
  6. XML (Extensible Markup Language)

  1. A company uses the Internet as a backbone with the PPTP protocol[1] to connect two branch offices in different countries.
  2. A company in a multi-story building has a network that connects the computers on all the floors together.
  3. A company has a system for making company documents available to the staff who need them, using the HTTP and FTP protocols.
  4. A company has a wireless link between its various branch offices using satellite technology.
  5. A company has a private network to link themselves with various suppliers. The network makes use of HTML documents over a TCP/IP-based network.
  6. A company uses a standard to create Web pages using structured data that is compatible with various platforms. The standard is similar to HTML but has customized tags.

[1]PPTP: The Point-to-Point Tunneling Protocol is an obsolete method for implementing virtual private networks.