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.
said by localhost: one of the reasons that wpa is so secure is because it changes the key at a given interval. the key changed is the group key (which is what you are looking at). the shared key is used to generate the group key, which is in turn used to encrypt data going over the air. hope that helps, and hope i'm right.