Na Admin / 27 Oct 22 /0Manaʻo manaʻo LAN o ONU He aha ka LAN? ʻO LAN ʻo ia hoʻi ʻo Local Area Network. Hōʻike ka LAN i kahi kikowaena hoʻolaha, ʻo ia hoʻi e loaʻa i nā lālā a pau o ka LAN nā ʻeke hoʻolaha i hoʻouna ʻia e kekahi lālā. Hiki i nā lālā o ka LAN ke kamaʻilio pū kekahi i kekahi a hiki ke hoʻonohonoho i kā lākou mau ala ponoʻī no nā kamepiula mai nā mea hoʻohana like ʻole e kamaʻilio me kēlā me kēia o... Heluhelu hou aku Na Admin / 26 Oct 22 /0Manaʻo manaʻo WLAN Ikepili loulou Hoʻohana ʻia ka papa loulou ʻikepili o WLAN ma ke ʻano he kī no ka lawe ʻana i ka ʻikepili. No ka hoʻomaopopo ʻana iā WLAN, pono ʻoe e ʻike kikoʻī. Ma o kēia mau wehewehe ʻana: I loko o ka protocol o IEEE 802.11, aia i loko o kāna sublayer MAC nā ʻenehana komo media o DCF a me PCF: ʻO ke ʻano o DCF: Hoʻohele... Heluhelu hou aku Na Admin / 25 Oct 22 /0Manaʻo manaʻo WLAN papa kino PHY PHY, ka papa kino o IEEE 802.11, loaʻa iā ia ka mōʻaukala o ka hoʻomohala ʻenehana a me nā kūlana ʻenehana: IEEE 802 (1997) ʻenehana Modulation: hoʻoili infrared o FHSS a me DSSS Ka hana alapine ʻana: e hana ana ma ka 2.4GHz frequency band (2.42.4835GHz, 83.5MHZ a pau... Heluhelu hou aku Na Admin / 24 Oct 22 /0Manaʻo manaʻo ʻŌlelo WLAN Nui nā inoa i komo i WLAN. Inā pono ʻoe e hoʻomaopopo hohonu i nā wahi ʻike o WLAN, pono ʻoe e hana i ka wehewehe ʻoihana piha o kēlā me kēia wahi ʻike i hiki iā ʻoe ke hoʻomaopopo maʻalahi i kēia ʻike i ka wā e hiki mai ana. Station (STA, no ka pōkole). 1). ʻO ke kahua (point), al... Heluhelu hou aku Na Admin / 23 Oct 22 /0Manaʻo manaʻo Nānā nui o WLAN Hiki ke wehewehe ʻia ʻo WLAN ma ke ʻano ākea a me ka manaʻo haiki: Mai kahi hiʻohiʻona micro, wehewehe mākou a hoʻopaʻa ʻia i ka WLAN ma nā ʻano ākea a me ka haiki. Ma ka manaʻo ākea, ʻo ka WLAN kahi pūnaewele i hana ʻia e ka hoʻololi ʻana i kekahi a i ʻole nā mea hoʻolaha hoʻoili o ka LAN uea me nā hawewe lekiō, e like me ka infrared, l... Heluhelu hou aku Na Admin / 22 Oct 22 /0Manaʻo manaʻo Hui Hoku ma Digital Modulation ʻO ka Constellation kahi manaʻo kumu i ka modulation kikohoʻe. Ke hoʻouna mākou i nā hōʻailona kikohoʻe, ʻaʻole mākou e hoʻouna pololei i ka 0 a i ʻole 1, akā e hana mua i kahi hui o 0 a me 1 hōʻailona (bits) e like me hoʻokahi a i ʻole. No ka laʻana, hoʻokumu kēlā me kēia ʻāpana ʻelua i hui, ʻo ia hoʻi, 00, 01, 10, a me 11. ʻEhā mau mokuʻāina ... Heluhelu hou aku << < Mamua22232425262728Aʻe >>> ʻAoʻao 25 / 76