802.11 standard is a kind of support I packet security and the MAC layer enhanced safety standards certification, previous generations based on password security mechanism is around 802.11 WEP protocol, but not WEP certification provided by the two-way authentication, users can't certification network, for example, WEP keys in reuse and hackers are very easy to crack the key, through the following two steps, 802.11 I can solve the problem of insufficient safety in WEP: first is to provide a mechanism can be software upgrade to the current product; The second is to create a new robust security network may require hardware changes (RSN), one of the first measures have been adopted by the wi-fi alliance for the wireless protected access (WPA), and after approval of 802.11 I specification has been adopted for connected,
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