Menene IEEE 802.3?

IEEE 802.3 ƙungiya ce mai aiki wacce ta rubuta Cibiyar Injiniyoyin Wutar Lantarki da Lantarki (IEEE) daidaitaccen saiti, wanda ke bayyana ikon sarrafa matsakaici (MAC) a duka sassan hanyoyin haɗin jiki da bayanai na Ethernet mai waya.Wannan yawanci fasaha ce ta hanyar gida (LAN) tare da wasu aikace-aikacen cibiyar sadarwa mai faɗi (WAN).Ƙirƙirar haɗin jiki tsakanin nodes da na'urorin kayan more rayuwa (masu ci gaba, masu sauyawa, masu tuƙi) ta nau'ikan nau'ikan tagulla ko igiyoyi masu gani.

802.3 fasaha ce mai goyan bayan IEEE 802.1 gine-ginen cibiyar sadarwa.802.3 kuma yana bayyana hanyar samun damar LAN ta amfani da CSMA/CD.

Menene Mashin Subnet?

Hakanan ana kiran abin rufe fuska na cibiyar sadarwa, abin rufe fuska, ko abin rufe fuska na cibiyar sadarwa.Yana nuna waɗanne raƙuman adireshin IP ne ke gano rukunin yanar gizo na mai watsa shiri da kuma waɗanne raƙuman ragi ne ke gano bitmask na rundunar.Mashin subnet ba zai iya zama shi kaɗai ba.Dole ne a yi amfani da shi tare da adireshin IP.

Mashigin subnet adireshi ne na 32-bit wanda ke rufe wani yanki na adireshin IP don bambanta ID na cibiyar sadarwa daga ID ɗin mai masauki, kuma yana nuna ko adireshin IP ɗin yana kan LAN ko WAN.