Signs and symptoms of E. coli O157:H7 infection typically begin three or four days after exposure to the bacteria, though you may become ill as soon as one day after to more than a week later. Signs and symptoms include:
WPA - Wi-Fi Protected Access. Definition: WPA is a security technology for Wi-Fi wireless computer networks. WPA improves on the authentication and encryption features of WEP (Wired Equivalent Privacy). In fact, WPA was developed by the networking industry in response to the weaknesses of WEP.
On a wireless network, the WPA key is a passphrase that protects the network from outside intruders. If a wireless router is set up with WPA encryption, you need the WPA key for network access and to make changes network settings.Gaming devices that allow you to play games online also generally require you to know the WPA key if you plan to connect them to the Internet wirelessly. If your WPA key shows up as all asterisks (*******), reset the key on your router so that you know what it is. 2  If you do this, you generally also need to change the key on every wireless device you own.