Cov txheej txheem:

Dab tsi yog lub luag haujlwm ntawm ib qho khoom nruab nrab ntawm lub network?
Dab tsi yog lub luag haujlwm ntawm ib qho khoom nruab nrab ntawm lub network?

Video: Dab tsi yog lub luag haujlwm ntawm ib qho khoom nruab nrab ntawm lub network?

Video: Dab tsi yog lub luag haujlwm ntawm ib qho khoom nruab nrab ntawm lub network?
Video: Saib Mis paub Poj niam (hluas nkauj) tus yam ntxwv lub siab 2024, Kaum ib hlis
Anonim

Cov khoom siv nruab nrab interconnect kawg khoom siv . Cov no khoom siv muab kev sib txuas thiab ua haujlwm tom qab lub scenes kom ntseeg tau tias cov ntaub ntawv ntws thoob plaws network . Cov khoom siv nruab nrab txuas tus kheej hosts rau lub network thiab tuaj yeem txuas ntau lub network ib leeg los tsim ib qho internetwork.

Ua raws li qhov no hauv kev txiav txim siab, dab tsi yog ob txoj haujlwm ntawm cov khoom siv nruab nrab ntawm lub network?

Cov khoom siv nruab nrab muab Network Nkag mus nrog cov keyboards thiab Internet ua haujlwm nrog routers. c. Sau npe tsawg kawg ob cov txheej txheem rau kev xaiv a network hom xov xwm. Ob cov txheej txheem rau kev xaiv a network hom xov xwm yog qhov kev ncua deb ntawm cov xov xwm tuaj yeem nqa lub teeb liab thiab tus nqi ntawm cov ntaub ntawv thiab kev ceev uas xav tau rau kev sib kis.

Tsis tas li ntawd, modem puas yog ib qho khoom nruab nrab? A modem (modulator - demodulator) yog ib qho khoom siv nruab nrab uas converts analog signals transfer over networks rau digital signals thiab digital signals back toanalog. Lawv pab kom xa cov ntaub ntawv digital dhau ntawm cov khoom siv sib txuas xws li xov tooj thiab fiber ntau optic cables.

Kuj Paub, cov cuab yeej twg yuav raug suav tias yog cov khoom siv nruab nrab ntawm lub network?

Piv txwv ntawm intermediary network devices yog:

  • keyboards thiab wireless access point (network access)
  • routers (hauv internet)
  • firewalls (kev ruaj ntseg).

Dab tsi yog cov khoom siv kawg ntawm lub network?

kawg ntaus ntawv - Computer Definition Ib qhov chaw lossis qhov chaw ntaus ntawv nyob rau hauv ib tug networkedsystem. Piv txwv li, tus neeg siv lub PC yog ib qho kawg ntaus ntawv , thiab isa server. Network keyboards, routers thiab lwm yam khoom siv ua haujlwm nruab nrab los pab kom cov lus mus los ntawm ib qho kawg ntaus ntawv rau lwm tus.

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