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.
WPA, which stands for Wi-Fi Protected Access, is a newer standard and is much more secure. The first iteration of the WPA protocol used the same cipher (RC4) as WEP but added TKIP (Termporal Key Integrity Protocol) to make it harder to decipher the key.