Vim li cas DNS hierarchical?
Vim li cas DNS hierarchical?

Video: Vim li cas DNS hierarchical?

Video: Vim li cas DNS hierarchical?
Video: How a DNS Server (Domain Name System) works. 2024, Kaum ib hlis
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DNS siv a hierarchy los tswj nws qhov system faib database. Cov DNS tsob ntoo muaj ib tug sau nyob rau sab saum toj ntawm cov qauv hu ua lub hauv paus domain. Lub sij hawm los yog dot (.) yog lub npe rau lub hauv paus sau. Hauv qab lub hauv paus sau npe yog cov npe saum toj kawg nkaus uas faib cov DNS hierarchy ua ntu.

Hauv txoj kev no, DNS hierarchical li cas?

DNS Hierarchy . Domain Names yog hierarchical thiab txhua feem ntawm lub npe sau npe raug xa mus rau hauv paus, qib sab saum toj, qib thib ob lossis raws li sub-domain. Txhawm rau tso cai rau cov khoos phis tawj kom paub txog lub npe sau npe tau zoo, cov dots tau muab tso rau ntawm txhua feem ntawm lub npe.

Tom qab ntawd, lo lus nug yog, dab tsi yog nyob rau saum toj ntawm cov ntoo hierarchy ntawm domains? DNS hauv paus cheeb tsam yog qhov siab tshaj qib hauv DNS tsob ntoo hierarchy . Lub hauv paus npe server yog lub npe server rau thaj chaw hauv paus. Cov no yog cov ntawv tso cai nameservers uas ua haujlwm rau DNS hauv paus cheeb tsam. Cov servers no muaj cov npe thoob ntiaj teb saum - theem thaj chaw.

Ib yam li ntawd, tib neeg nug, dab tsi yog DNS piav qhia nyob rau hauv luv luv lub hierarchical qauv ntawm DNS?

Lub Npe Lub Npe System ( DNS ) muaj a hierarchical tsob ntoo inverted qauv . Cov DNS hierarchical tsob ntoo inverted qauv yog hu ua DNS npespace. Tom qab lub hauv paus, txheej tom ntej nyob rau hauv lub DNS hierarchy hu ua TLDs (Top Level Domains). Piv txwv ntawm TLDs (Top Level Domains) yog edu., net., org., com., gov., thiab lwm yam.

Vim li cas DNS ua haujlwm hauv kev faib thiab hierarchical?

Lub Npe Lub Npe System ( DNS ) yog a hierarchical , faib database. Nws khaws cov ntaub ntawv rau kev kos npe hauv Is Taws Nem host npe rau IP chaw nyob thiab rov ua dua, xa cov ntaub ntawv xa mus, thiab lwm yam ntaub ntawv siv los ntawm kev siv Internet.

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