Lub sij hawm internet yog ib txwm txuas rau cov ntsiab lus router thiab modem (modulator / demodulator). Tab sis feem ntau ntawm cov neeg feem ntau tsis meej pem, puas yog router thiab modem tib yam? Lawv puas ua tib yam haujlwm? Yog tsis yog, lawv sib txawv li cas?
Yog li, txhawm rau daws qhov teeb meem ntawm tib neeg, hauv kab lus no, koj yuav kawm txog lub modem, router, lawv txoj haujlwm, thiab qhov sib txawv loj ntawm ob.
Cov ntsiab lus[ zais ]
- Qhov txawv ntawm Router thiab Modem yog dab tsi?
- Modem
- Modem ua haujlwm li cas?
- Qhov zoo thiab qhov tsis zoo ntawm Modem
- Router
- Lub Router ua haujlwm li cas?
- Pros thiab Cons ntawm Router
- Qhov sib txawv ntawm Modem thiab Router
- 1. Muaj nuj nqi
- 2. Kev sib txuas
- 3. Kev ruaj ntseg
- 4. Kev ywj pheej
- 5. Ntaus hom thiab txheej
- Thaum twg koj xav tau modem lossis router?
Qhov txawv ntawm Router thiab Modem yog dab tsi?
Yog, muaj qhov sib txawv ntawm modem thiab router thiab nws yooj yim heev. Lub modem yog ib qho uas txuas rau hauv internet thiab lub router yog ib qho uas txuas koj lub cuab yeej rau Wi-Fi kom koj nkag tau yooj yim hauv internet. Nyob rau hauv luv luv, ib tug router tsim ib tug network ntawm cov computers thiab lwm yam khoom siv muaj nyob rau hauv koj lub tsev thaum lub modem txuas lub network thiab yog li, koj lub computer thiab lwm yam khoom siv rau hauv internet. Ob qho tib si yog cov khoom tsim nyog rau kev siv wireless thiab wired internet hauv koj lub tsev lossis lwm qhov chaw. Tam sim no, cia peb kawm ntxiv txog lub modem.
Modem
Lub sij hawm modem stands rau modulator / demodulator . Lub modem yog ib qho khoom siv kho vajtse lossis cov kev pab cuam uas hloov cov ntaub ntawv ntawm cov xov xwm sib kis kom nws tuaj yeem kis tau los ntawm ib lub cuab yeej mus rau lwm lub cuab yeej. Nws tso cai rau lub khoos phis tawj xa cov ntaub ntawv hla cov kab xov tooj, kab kab thiab lwm yam siv cov cim analog. Cov ntaub ntawv khaws cia hauv cov khoom siv xws li khoos phis tawj digitally, tab sis thaum hloov mus, lawv raug xa mus rau hauv daim ntawv ntawm analog nthwv dej lossis cov cim.
Lub modem hloov cov ntaub ntawv digital tam sim no hauv lub khoos phis tawj rau hauv lub teeb liab hluav taws xob hloov pauv rau kev sib kis ntawm cov khoom siv los ntawm cov kab hluav taws xob thiab cov teeb liab hluav taws xob no yog demodulated ntawm receiver sab los ntawm Modem kom nws tuaj yeem rov qab tau cov ntaub ntawv digital.
Modem ua haujlwm li cas?
Ib qho modem feem ntau muaj teeb / LEDs ntawm lawv pem hauv ntej kom koj tau yooj yim pom dab tsi tshwm sim tam sim no.
Feem ntau, muaj plaub lub teeb / LEDs muaj nyob rau pem hauv ntej ntawm lub modem ua haujlwm sib txawv.
- Ib lub teeb qhia tias chav tsev tau txais lub zog.
- Lwm lub teeb qhia tias lub modem tau txais cov ntaub ntawv los ntawm lub chaw pabcuam hauv internet (ISP).
- Qhov thib peb qhia tias modem tau xa cov ntaub ntawv tiav.
- Qhov thib plaub qhia tau hais tias cov khoom siv txuas nrog nkag mus rau i
Yog li, los ntawm pom qhov twg LED lossis lub teeb ua haujlwm lossis ntsais, Koj tuaj yeem pom tau yooj yim tias koj lub modem tam sim no ua dab tsi lossis tam sim no mus hauv nws. Yog tias lub teeb xa lossis tau txais lub teeb ntsais, nws txhais tau tias koj lub chaw pabcuam hauv internet muaj qee qhov teeb meem thiab koj yuav tsum sab laj nrog lawv.
Lub modem txuas lub hauv paus ntawm Is Taws Nem los ntawm ISP rau koj lub tsev lossis lwm qhov chaw uas koj xav nkag mus rau hauv Is Taws Nem siv cov cables xws li Comcast, fiber ntau optics, satellite lossis ib qho kev sib txuas hauv xov tooj. Cov kev pabcuam sib txawv muaj ntau hom modems thiab koj tsis tuaj yeem hloov pauv lawv.
Txhawm rau nkag mus rau Is Taws Nem hauv cov cheeb tsam nyob deb nroog uas muaj cov kab xov tooj tab sis tsis muaj kev txhawb nqa rau cable-based TV thiab kev pabcuam hauv internet, DSL yog siv los ntawm cov niaj hnub cables uas feem ntau qeeb qeeb.
Qhov zoo thiab qhov tsis zoo ntawm Modem
Pros
- Nws txuas rau ib qho ISP .
- ISP Compatibility
- Nws hloov lub teeb liab digital mus rau hauv lub teeb liab analog rau kev sib kis ntawm cable.
Cons
- Nws tsis tuaj yeem tsim lub network hauv zos thiab khiav Wi-Fi.
- Nws tsis txuas ntau yam khoom siv rau hauv internet.
Kuj Nyeem: Device Driver yog dab tsi?
Router
Lub router yog ib qho khoom siv sib txuas uas hloov cov ntaub ntawv pob ntawv ntawm computer networks . Hauv paus, a router yog ib lub thawv me me uas koom nrog ob lossis ntau lub network xws li internet thiab hauv zos network. Cov ntaub ntawv xa los ntawm Is Taws Nem zoo li email lossis ib nplooj ntawv web yog nyob rau hauv daim ntawv ntawm pob ntawv. Cov pob ntawv no ces xa los ntawm ib lub router mus rau lwm lub router hauv internet kom txog thaum nws mus txog qhov chaw. Thaum cov ntaub ntawv mus txog ib qho ntawm cov kab no, lub router nyeem qhov chaw nyob ntawm cov ntaub ntawv ntawd thiab xa mus rau lub network txuas ntxiv mus rau nws qhov chaw nyob.
Hom routers paub zoo tshaj plaws yog lub tsev routers lossis chaw ua haujlwm routers. Cov routers yog cov khoom siv nyob ib leeg. Routers muaj kev mob siab rau, xim-coded Ethernet chaw nres nkoj uas nws siv lub cev txuas mus rau lub router zoo li WAN (wide cheeb tsam network) thiab plaub qhov chaw nres nkoj Ethernet ntxiv rau LAN (hauv cheeb tsam network).
Lub Router ua haujlwm li cas?
Lub router los ntawm txhua qhov ntau thiab tsawg thiab tus nqi. Cov wireless muaj xws li ob lub kav hlau txais xov sab nraud lossis ntau dua nyob ntawm tus qauv. Tsis tas li ntawd, kev sib txuas ceev ntawm lub router nyob ntawm qhov sib thooj ntawm lub router.
Kev ua haujlwm ntawm lub router yog qhov yooj yim heev. Nws txuas ntau lub tes hauj lwm thiab cov kev sib txuas hauv network ntawm lawv. Txhawm rau nkag siab txog kev ua haujlwm ntawm lub router hauv cov lus yooj yim, tsuas yog xav txog lub router ua tus neeg nruab nrab ntawm kev sib txuas hauv internet thiab lub network hauv zos. Lub router tseem muaj kev tiv thaiv rau koj cov khoom siv kom lawv tsis txhob kis ncaj qha rau hauv internet. Koj tsis tuaj yeem txuas ncaj qha rau hauv is taws nem siv lub router nkaus xwb. Hloov chaw, koj lub router yuav tsum tau siv ua ke nrog Modem vim nws xa cov tsheb khiav hauv internet.
Pros thiab Cons ntawm Router
Pros
- Ib txhij txuas mus rau ntau yam khoom siv
- Kev ruaj ntseg thiab Adaptability
- VPN kev siv
- Wireless Technology
- Portability
Cons
- Data Overhead
- Teeb meem nyuaj
- kim
Qhov sib txawv ntawm Modem thiab Router
Hauv qab no yog qhov sib txawv ntawm modem thiab router.
1. Muaj nuj nqi
Lub modem zoo li tus neeg txhais lus ntawm internet thiab hauv zos network. Lub modem hloov kho cov teeb liab hluav taws xob rau hauv lub teeb liab digital thiab demodulates cov teeb liab digital rau hauv lub teeb liab analog thaum lub router tsim lub network thiab tso cai rau ntau yam khoom siv los txuas rau lub network no.
Yog tias koj tsuas muaj ib lub cuab yeej, ces koj tsis xav tau ib lub router. Lub modem muaj qhov chaw nres nkoj Ethernet thiab lub computer lossis lwm yam khoom siv tuaj yeem txuas ncaj qha mus rau qhov chaw nres nkoj Ethernet thiab nkag mus rau hauv internet. Tab sis yog tias koj muaj ntau yam khoom siv, ces koj tuaj yeem txuas rau Is Taws Nem siv lub network tsim los ntawm router thiab tom qab ntawd tuaj yeem txuas rau hauv internet.
2. Kev sib txuas
Lub modem tsuas muaj ib qho chaw nres nkoj thiab tuaj yeem txuas mus rau ib lub cuab yeej nkaus xwb ntawm ib lub sijhawm xws li mus rau lub computer lossis router. Yog li, yog tias koj muaj ntau yam khoom siv, koj tsis tuaj yeem txuas lawv txhua tus siv lub modem. Yog vim li cas thiaj yuav tsum muaj lub router.
Ntawm qhov tsis sib xws, lub router tuaj yeem txuas rau ntau yam khoom siv ib zaug los ntawm Ethernet cables lossis Wi-nkaus.
3. Kev ruaj ntseg
Tsis muaj kev ruaj ntseg mechanism nyob rau hauv Modem thiab nws tsis luam theej duab cov ntaub ntawv rau tej yam kev ruaj ntseg vulnerability. Yog li, nws tuaj yeem dhau kev hem thawj rau txhua lub khoos phis tawj txuas nrog.
Thaum lub router muaj qhov tsim nyog firewalls los muab kev ruaj ntseg. Nws raug kuaj xyuas cov ntaub ntawv pob khoom kom txiav txim siab lawv qhov chaw thiab tom qab ntawd tiv thaiv kev tawm tsam los ntawm kev nkag mus rau hauv cov khoom siv sib txuas.
4. Kev ywj pheej
Lub modem tuaj yeem ua haujlwm yam tsis muaj router thiab tuaj yeem muab kev sib txuas hauv internet rau ib lub cuab yeej.
Ntawm qhov tod tes, lub router tuaj yeem sib qhia cov ntaub ntawv ntawm ntau yam khoom siv tab sis tsis tuaj yeem muab internet rau cov khoom siv no yam tsis muaj modem.
5. Ntaus hom thiab txheej
Lub modem yog ib qho khoom siv ua haujlwm hauv internet uas siv cov txheej thib ob piv txwv li data link txheej .
Ib lub router yog ib qho khoom siv sib txuas uas siv cov txheej thib peb xws li txheej txheej network.
Thaum twg koj xav tau modem lossis router?
Txhawm rau teeb tsa lub network hauv tsev, ob qho tib si modem thiab router yuav tsum tau ua. Yog tias koj txuas ib lub cuab yeej rau hauv Is Taws Nem nrog cov xaim, koj tsuas yog xav tau lub modem thaum tsis muaj rooj plaub uas koj tuaj yeem siv tsuas yog router. Koj yuav tsum tau siv lub Modem ua ke nrog lub Router txhawm rau txiav txim siab lub teeb liab los ntawm koj tus kws kho mob hauv internet (ISP).
Yog tias koj twb siv lub modem tab sis tsis tau txais qhov xav tau ceev los ntawm ISP ces koj tuaj yeem siv Router kom ceev koj lub network. Nws muaj bandwidth txwv thiab nws circulates lub teeb liab mus rau tag nrho cov txuas nrog. Yeej, koj lub router ua li cas yog tias nws tsim kev sib txuas Wireless thiab tswj koj Wi-Fi (Internet).
Yog li, qhov no yog txhua yam hais txog modem thiab router nrog rau qee qhov sib txawv ntawm ob.
Cov ntaub ntawv:
Elon Decker Elon yog tus kws sau ntawv thev naus laus zis ntawm Cyber S. Nws tau sau cov lus qhia yuav ua li cas txog 6 xyoo tam sim no thiab tau hais txog ntau yam. Nws nyiam npog cov ncauj lus hais txog Windows, Android, thiab cov lus qhia tshiab thiab cov lus qhia.