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CompTIA Security+ All-in-One Exam Guide, Third Edition by Chuck Cothren, Roger Davis, Dwayne Williams, Gregory White, Wm. Arthur Conklin

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Devices

A complete network computer solution in today’s business environment consists of more than just client computers and servers. Devices are needed to connect the clients and servers and to regulate the traffic between them. Devices are also needed to expand this network beyond simple client computers and servers to include yet other devices, such as wireless and handheld systems. Devices come in many forms and with many functions, from hubs and switches, to routers, wireless access points, and special-purpose devices such as virtual private network (VPN) devices. Each device has a specific network function and plays a role in maintaining network infrastructure security.

Workstations

Most users are familiar with the client computers used ...

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