He aha ka IEEE 802.3?

He pūʻulu hana ʻo IEEE 802.3 i kākau i ka Institute of Electrical and Electronics Engineers (IEEE) standard set , e wehewehe ana i ka mana hiki ke hoʻohana ʻia (MAC) ma nā papa pili kino a me ka ʻikepili o Ethernet uea. ʻO kēia ka mea maʻamau i ka ʻenehana ʻāpana kūloko (LAN) me kekahi mau noi ākea ākea (WAN). E hoʻopaʻa i nā pilina kino ma waena o nā nodes a me nā mea hana ʻenehana (hubs, switch, routers) ma o nā ʻano like ʻole o ke keleawe a i ʻole ke kelepona ʻike.

ʻO 802.3 kahi ʻenehana e kākoʻo ana i ka hoʻolālā pūnaewele IEEE 802.1. 802.3 no ka wehewehe ʻana i kahi ala komo LAN me CSMA/CD.

He aha ka Subnet Mask?

Ua kapa ʻia ka subnet mask he mask network, address mask, a i ʻole subnetwork mask. Hōʻike ia i nā ʻāpana o kahi helu IP e ʻike ai i ka subnet o ka host a me nā bits e ʻike i ka bitmask o ka host. ʻAʻole hiki ke noho wale ka subnet mask. Pono e hoʻohana pū me ka helu IP.

ʻO ka subnet mask kahi helu 32-bit e uhi ana i kahi ʻāpana o kahi IP address e hoʻokaʻawale i ka ID pūnaewele mai ka ID host, a e hōʻike ana inā aia ka IP address ma kahi LAN a i ʻole WAN.