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Microsoft Windows 7 allows interacting with disk drives on remote computers over a network connection using a feature called "Map Network Drive." Here's how it works.
Open the Windows Start menu and click on the "Computer" option. A new Windows Explorer window will open at the Computer tree icon, which displays a special menu bar above the Favorites and disk drive information....

Both switch and router will connect multiple computers and allow high speed file sharing with each other. Routers are network endpoints while switches are not. Most Routers have WiFi while switches do not.
Switch
1. A Switch is a telecommunication device which receives a message from any device connected to it and then transmits the message to the particular device for which the message was meant....

If you understand the basics of  making wireless network connections,joining a wireless network should be easy. However, special considerations apply depending on the type of device you're using.
Microsoft Windows PCs
To join wireless networks on Windows, start by navigating to the Windows Network and Sharing Center. A small network icon (displaying a row of five white bars) on the right-hand side of the Windows taskbar can be used to open this window, or it can be...

As smartphone technology continues to advance, people can do more with their devices, but more things can also go wrong. This guide explains how to solve the most common wireless connection problems on Apple iPhone and other iOS devices.
Update iOS to Improve Wi-Fi Connectivity...