Dab tsi yog unguided media hauv computer network?

Video: Dab tsi yog unguided media hauv computer network?

2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47

Qhov nruab nrab tsis qhia thauj electromagnetic tsis siv lub cev conductor. Hom kev sib txuas lus no feem ntau hu ua wireless kev sib txuas lus. Cov teeb liab feem ntau tshaj tawm los ntawm qhov chaw dawb thiab yog li muaj rau txhua tus neeg uas muaj lub cuab yeej muaj peev xwm txais tau.

Ib yam li ntawd, dab tsi yog kev tshaj xov xwm uas tsis muaj kev qhia thiab nws hom?

Wireless Medias los yog kev tshaj tawm tsis qhia Wireless xov xwm tsim kom muaj ntau dua electromagnetic zaus, xws li xov tooj cua tsis, microwaves, & infrared. Lawv xa ib lub teeb liab nyob rau hauv ib tug deb deb. Xov tooj cua satellite kis tau tus mob pom lub teeb, lub teeb infrared, x-rays thiab gamma rays. Wireless xov xwm muaj xws li: Xov tooj cua waves kis tau tus mob.

Kuj Paub, dab tsi yog kis xov xwm hauv computer networking? Kev sib kis xov xwm yog ib txoj kev uas nqa cov ntaub ntawv los ntawm sender mus rau receiver. Peb siv ntau hom cables lossis nthwv dej los xa cov ntaub ntawv. Cov ntaub ntawv yog kis tau ib txwm los ntawm hluav taws xob lossis electromagnetic signals. Kev sib kis xov xwm tseem hu ua kev sib txuas lus channel.

Ib tug kuj yuav nug, qhov txawv ntawm cov lus qhia thiab cov xov xwm tsis muaj kev taw qhia yog dab tsi?

Tus yuam sij qhov sib txawv ntawm kev qhia thiab tsis muaj kev tshaj tawm yog tias qhia tawm xov xwm siv lub cev txoj kev los yog tus neeg xyuas pib xa cov teeb liab whereas, the kev tshaj tawm tsis qhia tshaj tawm cov teeb liab los ntawm huab cua. Cov qhia tawm xov xwm tseem hu ua wired communication lossis bounded transmission xov xwm.

Dab tsi yog hom xov xwm network?

Network media yog txoj hauv kev tiag tiag uas lub teeb liab hluav taws xob mus ncig thaum nws txav ntawm ib qho mus rau lwm qhov. Tshooj lus no piav qhia txog hom kev tshaj tawm hauv network, suav nrog cov kab sib tw twisted, coaxial kab , fiber-optic cable, thiab wireless.

Pom zoo:

Lub computer network hom yog dab tsi?

Hom kev sib txuas hauv cheeb tsam - LAN, MAN thiab WAN. Lub Network tso cai rau cov khoos phis tawj sib txuas thiab sib txuas lus nrog cov khoos phis tawj sib txawv ntawm txhua qhov nruab nrab. LAN, MAN thiab WAN yog peb hom loj ntawm lub network tsim los ua haujlwm nyob rau thaj tsam lawv npog

Dab tsi yog daim npav network hauv computer?

Daim npav Network interface (tseem hu ua NIC, network card, lossis network interface controller) yog ib qho khoom siv hluav taws xob uas txuas lub computer mus rau lub computer network, feem ntau yog LAN. Nws suav hais tias yog ib qho ntawm cov khoom siv hauv computer. Txhawm rau ua tiav qhov kev sib txuas, daim npav network siv cov txheej txheem tsim nyog, piv txwv li CSMA / CD

Dab tsi yog txoj hauv kev virtual thiab txoj hauv lub cev hauv asp net?

Ua ntej tshaj, cia peb tau txais cov ntsiab lus ntawm ob qho tib si. Txoj kev lub cev - Qhov no yog txoj hauv kev tiag tiag cov ntaub ntawv nyob ntawm IIS. Txoj kev Virtual - Qhov no yog txoj hauv kev kom nkag mus rau cov ntaub ntawv uas tau taw qhia los ntawm sab nraud ntawm IIS daim ntawv thov folder

Magnetic media thiab optical media yog dab tsi?

Qhov sib txawv tseem ceeb ntawm cov khoom siv kho qhov muag, xws li CDs thiab DVDs, thiab cov khoom siv sib nqus, xws li hard drives thiab qub-floppy disks, yog nyob rau hauv cov khoos phis tawj nyeem thiab sau cov ntaub ntawv rau lawv li cas. Ib qho siv lub teeb; lwm yam, electromagnetism. Hard drives nrog nyeem / sau taub hau