Cov Chaw Haujlwm Hauv Zos hauv zos tau piav qhia
Txhais: LAN sawv cev rau Local Area Network. Nws yog ib qho kev lag luam me me (piv rau WAN ) uas yog siv cov chav me me xws li ib chav, chaw ua haujlwm, ib lub tsev, ib lub tsev kawm ntawv, thiab lwm yam.
Feem ntau LANs niaj hnub khiav hauv Ethernet , uas yog tus tswj fwm uas tswj xyuas cov ntaub ntawv xa mus li cas ntawm ib lub tshuab mus rau lwm lub network. Txawm li cas los xij, nrog lub tswv yim ntawm wireless network, ntau dua LANs yog qhov ua wireless thiab paub tias yog WLANs, wireless networks hauv zos. lub ntsiab kev cai tswjfwm kav kev txuas thiab kev hloov ntawm WLANs yog qhov paub meej WiFi raws tu qauv. Wireless LANs kuj khiav nrog Bluetooth tshuab, tab sis nws yog heev tsawg.
Yog tias koj txuas ob lub computer los sib qhia, koj muaj LAN. Tus lej ntawm cov computers uas txuas nrog ntawm LAN tej zaum yuav tau nce mus txog ntau pua pua, tab sis feem ntau, LANs yog ua los ntawm ntau dua los sis tsawg dua cov cav tov, vim tias lub tswv yim tom qab LAN yog los npog thaj tsam me me.
Txhawm rau xa ob lub koos pis tawj, koj tsuas txuas tau lawv cov hlua txuas. Yog tias koj xav mus txuas ntxiv, ces koj xav tau ib qho khoom siv tshwj xeeb hu ua lub hub , uas ua tau zoo li lub voj voog thiab qhov chaw txuas. Cables los ntawm cov computers sib txawv 'LAN daim ntawv sib ntsib ntawm lub hub. Yog tias koj xav txuas koj tus LAN mus rau hauv Internet los mus rau ib cheeb tsam network, ces koj xav tau ib lub router siv lub hub. Siv lub hub yog qhov ntau tshaj thiab txoj hauv kev yooj yim ntawm kev teeb tsa LAN. Muaj lwm qhov network layouts, hu ua topologies. Nyeem ntxiv rau topologies thiab network tsim ntawm qhov txuas no.
Koj tsis tas yuav muaj cov computers hauv LAN xwb. Koj tuaj yeem txuas cov tshuab luam yeeb thiab lwm yam khoom siv uas koj tuaj yeem sib koom tau. Piv txwv li, yog tias koj txuas ib lub tshuab luam ntawv ntawm LAN thiab kho nws kom sib koom nrog tag nrho cov neeg siv nyob rau hauv LAN, sau cov hauj lwm xa tuaj rau tus kws luam ntawv ntawd los ntawm txhua tus computers hauv LAN.
Vim Li Cas Peb Siv LANs?
Muaj ntau ntau yam rau cov tuam txhab lag luam thiab cov koom haum nqis peev hauv LANs hauv lawv thaj chaw.
- Kev sib txuas lus ceev thiab sib koom ntawm cov ntaub ntawv thiab lwm yam kev pab cuam ntawm cov neeg ua haujlwm thiab cov neeg koom tes.
- Contralisation ntawm cov ntaub ntawv systems. Piv txwv, hauv lub tsev kho mob, LAN yuav tso cai rau ib lub hauv paus database rau txhua lub tuam tsev xws li tsis muaj kev sib tw ntawm cov ntaub ntawv, tsis muaj qhov rov qab ua dua, thiab tseem ceeb dua ntais.
- LANs cia kim kho vajtse kom sib faib, raws li tau piav saum toj no.
- LANs pub rau cov neeg siv cov software licences, rau uniformity thiab nqi txuag.
Yuav Tsum Kom Teem Li LAN
- Cov kauj ruam thiab cov khoom siv nruab nrog NIC zoo (network interface cards). Piv txwv li, thiab Ethernet LAN yuav tsum tau txhua yam khoom siv kom muaj Ethernet cards lossis adapters rau lub xov tooj txuas. WiFi network yuav tsum tau txhua yam li muaj WiFi adapter.
- Ib lub hauv paus nruab nrab, xws li lub hub, tus router, tus choj los yog lub qhov rooj loj.
- Txuas cov cables yog tias LAN wired.
- LAN tswj software. Niaj hnub cov haujlwm khiav lag luam twb muaj cov software tsim rau kev tswj kev sib txuas ntawm tes hauj lwm.