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Question:
A virtual private network (VPN) is a secure network connection that is established across an insecure network. For instance, if you wanted to connect your laptop to your corporate network over the Internet to read email but also protect the connection, you might use a VPN. Dial-up is a sluggish and rarely used connection that requires a telephone landline to establish a connection. Fios is a vendor name for a fiber-optic connection that enables Internet access and other services, whereas a hotspot is a device that shares a cellular device's connection with other devices, effectively turning the cellular device into a gateway to the Internet.