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Networking

1. If you were responsible for setting up a network for a company that had offices in five different states, how would you do it? What part would the Internet play in your plans?

2. You work for a small office that has both a desktop and a laptop computer and your boss wishes to network them together. To do this, you need network interfaces for each computer. Go to www.pricegrabber.com to find the best price for a network card for a desktop and a laptop computer. What are the prices for each? Why do you think the cards for a laptop are more expensive? Many desktop computers and laptop computers now include automatic built-in network connectivity. Locate and name specific desktop and laptop models that have internal networking capability. Summarize your research in a memo to your boss.

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Question 1.
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Virtual Private Networks
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VPN (virtual private network) is the solution to accommodate the needs of remote employees and distant offices in the five different states.

A VPN is a private network that uses a public network (usually the Internet) to connect remote sites or users together. Instead of using a dedicated, real-world connection such as leased line, a VPN uses "virtual" connections routed through the Internet from the company's private network to the remote site or employee.

* How VPN Works
- The remote user's workstation (in remote offices) must have the VPN client software installed.
- A firewall sits between a remote user's workstation or client and the host network or server.
- When connection to the corporate network is attempted, the VPN client software will first connect to the VPN server by means of a tunneling protocol.
- After the remote computer has been successfully authenticated, a secure connection (secret tunnel) between it and the VPN server will then be formed as all subsequent data being exchanged through this tunnel will be encrypted at the sending end and correspondingly ...

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