شبكه هاي محلي بي سيم

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عنوان                                                                                                                           صفحه

• ·        مقدمه                                                                                                                          1
• استاندارد شبكه هاي محلي بي سيم                                                                                                2
• شبكه‌هاي بي‌سيم و انواع               WWAN , WLAN , WPAN                         4         
• منشأ ضعف امنيتي در شبكه‌هاي بي‌سيم و خطرات معمول                                                     6         
• مشخصات و خصوصيات WLAN                                                                                               7
• معماري‌ شبكه‌هاي محلي‌ بي‌سيم - INFRASTRUCTURE , AD HOC                                  8         
• توپولوژي هاي 11/802                                                                                                   8         
• همبندي في‌البداهه يا IBSS                                                                                             9
• همبندي زيرساختار در دوگونه BSS و ESS                                                                    9         
• لايه فيزيكي                                                                                                                   13       
• عناصر فعال شبكه‌هاي محلي بي‌سيم                                                                                  14       
• ايستگاه بي سيم                                                                                                              14
• نقطه ي دسترسي - access point                                                                               15       
• دسترسي به رسانه                                                                                                                        15       
• روزنه‌هاي پنهان                                                                                                              16       
• برد و سطح پوشش                                                                                                          17       
• خدمات توزيع                                                                                                                19       
• امنيت و پروتكل WEP                                                                                                  21       
• قابليت‌ها و ابعاد امنيتي استاندارد11/802                                                                             22       
• خدمات ايستگاهي                                                                                                           24       
• سرويس Privacy يا confidentiality                                                                      29       
• ضعف‌هاي اوليه‌ي امنيتي WEP                                                                                       32
• استفاده از كليدهاي ثابت WEP                                                                                      33       
• ضعف در الگوريتم                                                                                                          34
• استفاده از CRC رمز نشده                                                                                              34       
• پل بين شبكه‌اي                                                                                                               36       
• پديده چند مسيري                                                                                                           37       
• استاندارد  a11/802                                                                                                        38       
• افزايش پهناي باند                                                                                                           40       
• طيف فركانسي تميزتر                                                                                                     41
• كانال‌هاي غيرپوشا                                                                                                          42       
• همكاري Wi-Fi                                                                                                                        42       
• استاندارد بعدي IEEE 802.11g                                                                                             43       
• معرفي شبكه بلوتوس                                                                                                       45       
• مؤلفه‌هاي امنيتي در بلوتوس                                                                                              47       
• خطرات امنيتي                                                                                                                48       
• مقابله با خطرات                                                                                                             49       
• نتيجه گيري                                                                                                                    50       
• منابع و مراجع                                                                                                                 51

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