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Video: WAN network ua haujlwm li cas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A wide cheeb tsam network ( WAN ) yog atelecommunications network , feem ntau yog siv rau kev sib txuas hauv computer, uas nthuav dav thaj chaw dav. Tsis zoo li LANs, WANs feem ntau ua tsis txuas ib lub computer, butrather yog siv los txuas LANs. WANs kuj xa cov ntaub ntawv qeeb qeeb dua li LANs.
Tsis tas li ntawd, wan ua haujlwm li cas?
A WAN (wide area network) yog ib lub network sib txuas lus uas nthuav dav thaj chaw loj xws li hla lub nroog, xeev, lossis lub tebchaws. Internet yog a WAN vim tias, dhau los ntawm kev siv ISPs, nws txuas ntau lub zos hauv cheeb tsam me me (LANs) lossis metro cheeb tsam network (MANs).
Ib yam li ntawd, WAN network yog dab tsi? Ib lub computer network uas spans ib cheeb tsam loj heev. Feem ntau, a WAN muaj ob los yog ntau lub zos-chaw tes hauj lwm (LANs). Computers txuas nrog a wide-area network feem ntau txuas nrog pej xeem tes hauj lwm , xws li xov tooj system. Lawv tuaj yeem txuas tau los ntawm cov kab xauj lossis satellites.
Hais txog qhov no, kuv yuav txuas rau WAN network li cas?
Ua raws li cov kauj ruam no, tsis hais tus router qhov teeb tsa kev qhia yuav hais li cas:
- Txuas lub router WAN chaw nres nkoj rau koj qhov chaw hauv internet, xws li DSL lossis cable modem, siv thawj lub network cable.
- Txuas ib lub router LAN chaw nres nkoj (feem ntau routers muaj plaubLAN chaw nres nkoj) rau lub computer siv ob lub network cable.
Puas yog WAN thiab Internet tib yam?
Internet yog kev sib txuas lus raws tu qauv rau lub network thoob ntiaj teb ( WAN = Wide Area Network). Ethernet yog kev sib txuas lus raws tu qauv rau Local Area Network (LAN) siv ib yam media interfaces (tsuas yog RJ45 lossis fiber ntau). LAN yog kev sib koom tes sib koom tes tab sis tuaj yeem txuas nrog hauv ib qho WAN dhau Internet cov khoom siv xws li Routers.
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