Dab tsi yog tswj kev nkag mus rau hauv database?
Dab tsi yog tswj kev nkag mus rau hauv database?

Video: Dab tsi yog tswj kev nkag mus rau hauv database?

Video: Dab tsi yog tswj kev nkag mus rau hauv database?
Video: Leng Yang - Yog Vim Dab Tsi (Official Full Song | Nkauj Tawm Tshiab) 2020/05/24 2024, Hlis ntuj nqeg
Anonim

Kev tswj kev nkag yog cov txheej txheem kev ruaj ntseg uas tswj xyuas leej twg lossis dab tsi tuaj yeem saib lossis siv cov peev txheej hauv acomputingenvironment. Lub cev tswj kev nkag txwv nkag mus tocampuses, tsev, chav thiab lub cev IT khoom. Logical tswj kev nkag txwv kev sib txuas rau computernetworks, system cov ntaub ntawv thiab cov ntaub ntawv.

Ntxiv mus, dab tsi yog 3 hom kev tswj kev nkag?

Peb Hom AccessControl Cov txheej txheem Kev tswj kev nkag systems tuaj rau hauv peb variations: Kev txiav txim siab Access Control (DAC), Yuav Tsum Tau Access Control (MAC), thiab Lub Luag Haujlwm Raws Li AccessControl (RBAC).

Ib yam li ntawd, xya yam tseem ceeb ntawm kev tswj kev nkag mus yog dab tsi? B: Cov xya pawg tseem ceeb ntawm kev tswj kev nkag yog kev taw qhia, tiv thaiv, them nyiaj, kev tshawb nrhiav, kho, thiab rov qab los.

Ib yam li ntawd, kev tswj kev nkag mus rau hauv kev ruaj ntseg yog dab tsi?

Lub luag haujlwm tseem ceeb ntawm a tus neeg saib xyuas kev ruaj ntseg isto tswj tus nkag mus thiab egress mus rau ib qho chaw orarea. Lub hom phiaj ntawm kev tswj nkag mus thiab egress yog toensurehat nkaus xwb tso cai cov neeg ua haujlwm , tsheb, thiab cov khoom siv hauv cheeb tsam tso cai nkag mus, txav mus rau hauv, thiab tawm ntawm qhov chaw.

Dab tsi yog txhais los ntawm kev tswj xyuas kev nkag mus tau?

Hauv computer kev ruaj ntseg, yuav tsum accesscontrol (MAC) hais txog ib hom tswj kev nkag los ntawm qhov system ua haujlwm txwv tsis pub muaj peev xwm ntawm qhov kev kawm orinitiatorto nkag mus lossis feem ntau ua qee yam kev ua haujlwm ntawm anobject lossis lub hom phiaj. Cov ncauj lus thiab cov khoom txhua tus muaj cuab yeej cuab tam ntawm kev ruaj ntseg.

Pom zoo: