Yintoni i-IEEE 802.3?

I-IEEE 802.3 liqela elisebenzayo elabhala i-Institute of Electrical and Electronics Engineers (IEEE) isethi esemgangathweni, echaza ulawulo lokufikelela okuphakathi (MAC) kuzo zombini iileyibhile eziphathekayo kunye nedatha ye-Ethernet yocingo.Oku kuqhelekile ukuba bubuchwephesha bommandla wommandla (LAN) obunosetyenziso lwenethiwekhi yendawo ebanzi (WAN).Ukuseka unxibelelwano lomzimba phakathi kweenodi kunye nezixhobo zesiseko (i-hubs, iiswitshi, ii-routers) ngokusebenzisa iintlobo ezahlukeneyo zobhedu okanye iintambo zokukhanya.

I-802.3 bubuchwepheshe obuxhasa i-IEEE 802.1 yoyilo lwenethiwekhi.I-802.3 ikwachaza indlela yokufikelela kwi-LAN usebenzisa i-CSMA/CD.

Yintoni i-Subnet Mask?

Imaski yesubnet ikwabizwa ngokuba sisigqubuthelo sothungelwano, imaski yedilesi, okanye imaski yenethiwekhi engaphantsi.Ibonisa ukuba yeyiphi na amasuntswana edilesi ye IP echonga subnet yomamkeli kwaye zeziphi iibits ezichonga i-bitmask yomamkeli.Imaski esezantsi ayinakho ukubakho yodwa.Kufuneka isetyenziswe ngokubambisana nedilesi ye-IP.

I-subnet mask yidilesi ye-32-bit efihla inxalenye yedilesi ye-IP ukwahlula i-ID yenethiwekhi kwi-ID yomninimzi, kwaye ibonisa ukuba idilesi ye-IP ikwi-LAN okanye i-WAN.