How Virtual Private Networks (VPN) Work

The business world has changed a lot in the last couple of decades. Instead of simply dealing with local or regional concerns, many businesses now have to think about global markets and logistics. Many companies have facilities spread out across the country or around the world. One thing all of them need is a way to maintain fast, secure, and reliable communications wherever their offices are located.

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What is a router?

Basically, a router works like a traffic cop deciding which device gets access to the network next. A router connects computers, printers, and other devices to a network which is connected to the internet. More technically, a router is a critical device that keeps data flowing between networks and keeps the networks connected to the internet. When data is sent between locations on a network or from one network to another network, the data is always transferred and directed to the correct location by a router. When you connect to the internet you are using your router to join a global network which connects your computer to millions of other computers.

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What is a Wireless Internet Service Provider?

A Wireless Internet Service Provider (WISP) is a special kind of broadband service provider that uses an antenna to transmit data through airwaves to a receiving antenna at a customer’s location. The data transmission works in a similar manner as a satellite dish. The main difference is that a wireless internet data antenna sends and receives information from a local tower verses a satellite in space.

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What is a Firewall?

If you have been using the internet for any length of time you have probably heard the term firewall. For example, you might hear someone say, “I can’t use that site because it can’t come through the firewall.” Basically, a firewall is a barrier to keep destructive forces away from your property. In fact that’s why it’s called a firewall. Its job is similar to a physical firewall that keeps a fire from spreading from one area to the next. On a computer, its design is to protect the computer from hackers or other malicious outside attackers.

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