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How Secure Is Your Wireless Network? Safeguarding Your Wi-Fi LAN by CCNA Lee Barken - CISSP MCP, CPA

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Introduction

A VPN allows computers connected to the Internet to access the resources of a private network securely. In other words, VPNs allow remote machines to securely access a private network over a transport (such as the Internet) which is considered untrusted. This is very convenient for remote users as they can now safely access corporate resources while they're on the road or away from the office.

VPNs have enjoyed a surge in popularity due to their cost savings over traditional (directly connected) dial-up telephone services. Since a VPN session can be established from any Internet connection (anywhere in the world), the cost is substantially lower then dial-up, which requires large banks of dial-up modems and long distance telephone ...

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