Site na Admin / 28 Ọkt 22 /0Okwu LAN dịpụrụ adịpụ Na usoro nke nnyefe netwọk, ọ bụrụ na-eji niile hubs.O doro anya na n'ime usoro mgbasa ozi, n'ihi na ọ dị mkpa ka a gbasaa ọtụtụ akara ngosi, a ga-emepụta ngalaba esemokwu.N'oge a, nkwurịta okwu n'etiti mgbaàmà ga-akpaghasị nke ukwuu, na ngwaọrụ ndị dị na s ... GỤKWUO Site na Admin / 27 Ọkt 22 /0Okwu ONU's LAN (netwọọdụ mpaghara) Kedu ihe bụ LAN?LAN pụtara Netwọk Mpaghara Mpaghara.LAN na-anọchi anya ngalaba mgbasa ozi, nke pụtara na ndị niile so na LAN ga-enweta ngwugwu mgbasa ozi nke onye ọ bụla zitere.Ndị otu LAN nwere ike ịkparịta ụka ma nwee ike hazie ụzọ nke ha maka kọmpụta sitere na ndị ọrụ dị iche iche ịgwa onye ọ bụla okwu. GỤKWUO Site na Admin / 26 Ọkt 22 /0Okwu WLAN Data Njikọ Layer A na-eji oyi akwa njikọ data nke WLAN dị ka oyi akwa isi maka nnyefe data.Iji ghọta WLAN, ịkwesịrị ịma ya nke ọma.Site na nkọwa ndị a: Na protocol nke IEEE 802.11, MAC sublayer nwere usoro ịnweta mgbasa ozi nke DCF na PCF: Pụtara DCF: Kesaa... GỤKWUO Site na Admin / 25 Ọkt 22 /0Okwu WLAN anụ ahụ oyi akwa PHY PHY, oyi akwa anụ ahụ nke IEEE 802.11, nwere akụkọ ihe mere eme nke mmepe teknụzụ na ụkpụrụ teknụzụ: IEEE 802 (1997) teknụzụ mgbanwe: nnyefe infrared nke FHSS na DSSS bandwit na-arụ ọrụ: na-arụ ọrụ na bandwit ugboro 2.4GHz (2.42.4835GHz, 83.5MHZ na mkpokọta ... GỤKWUO Site na Admin / 24 Ọkt 22 /0Okwu Usoro WLAN Enwere ọtụtụ aha na-etinye aka na WLAN.Ọ bụrụ na ịchọrọ ịghọta nke ọma isi ihe ọmụma nke WLAN, ịkwesịrị ịme nkọwa ọkachamara zuru oke nke ihe ọmụma ọ bụla ka i wee ghọta ọdịnaya a n'ụzọ dị mfe n'ọdịnihu.Ọdụ (STA, maka mkpụmkpụ).1).Ebe ọdụ (point), al... GỤKWUO Site na Admin / 23 Ọkt 22 /0Okwu Akụkọ ihe mere eme nke WLAN Enwere ike ịkọwa WLAN n'echiche sara mbara na n'echiche dị warara: Site n'echiche micro, anyị na-akọwapụta ma nyochaa WLAN n'echiche sara mbara ma dị warara.N'echiche sara mbara, WLAN bụ netwọk emere site na iji ebili mmiri redio dochie ụfọdụ ma ọ bụ niile nke wired mgbasa ozi LAN, dị ka infrared, l... GỤKWUO << < gara aga123456Ọzọ >>> Peeji nke 2/46