Iyini i-IEEE 802.3?
I-IEEE 802.3 iyiqembu elisebenzayo elabhala isethi evamile ye-Institute of Electrical and Electronics Engineers (IEEE), echaza isilawuli sokufinyelela okumaphakathi (MAC) kuzo zombili izendlalelo zesixhumanisi esibonakalayo nedatha ye-Ethernet enezintambo.Lokhu ngokuvamile ubuchwepheshe benethiwekhi yendawo (LAN) enezinhlelo zokusebenza zenethiwekhi yendawo ebanzi (WAN).Sungula ukuxhumana ngokomzimba phakathi kwama-node namadivayisi wengqalasizinda (amahabhu, amaswishi, amarutha) ngezinhlobo ezahlukene zezintambo zethusi noma ze-optical
I-802.3 ubuchwepheshe obusekela ukwakhiwa kwenethiwekhi ye-IEEE 802.1.802.3 futhi ichaza indlela yokufinyelela ye-LAN kusetshenziswa i-CSMA/CD.
Iyini i-Subnet Mask?
Imaski ye-subnet ibizwa nangokuthi imaski yenethiwekhi, imaski yekheli, noma imaski yenethiwekhi engaphansi.Ibonisa ukuthi yimaphi amabhithi ekheli lasesizindeni se-inthanethi ahlonza i-subnet yomsingathi nokuthi imaphi amabhithi ahlonza i-bitmask yomsingathi.Imaski ye-subnet ayikwazi ukuba khona iyodwa.Kufanele isetshenziswe ngokuhambisana nekheli le-IP.
Imaski ye-subnet yikheli elingu-32-bit elivala ingxenye yekheli le-IP ukuze lihlukanise i-ID yenethiwekhi ku-ID yomsingathi, futhi libonisa ukuthi ingabe ikheli lasesizindeni se-inthanethi liku-LAN noma i-WAN.
Isikhathi sokuthumela: Sep-08-2022