Cov txheej txheem:
Video: Dab tsi yog qhov sib txawv ntawm kev ua txhaum cai thiab kev ntsuas nkag?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Kev xeem nkag yog tus txheej txheem uas txheeb xyuas qhov tsis zoo ntawm kev nyab xeeb, kev pheej hmoo tsis zoo, thiab ib puag ncig tsis muaj kev ntseeg siab. Lub hom phiaj ntawm ethical hacking tseem yuav txheeb xyuas qhov tsis zoo thiab kho lawv ua ntej lawv tuaj yeem raug siv los ntawm cov neeg ua txhaum cai, tab sis txoj hauv kev yog qhov dav dav dua li nkag siab.
Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog hacking thiab nkag mus kuaj?
Kev ncaj ncees Hacking Lub hom phiaj tseem ceeb yog txhawm rau nrhiav qhov tsis zoo nyob hauv lub hom phiaj ib puag ncig. Nws aims kom encompass ntau yam kev tawm tsam throughdifferent nyiag nyiag cov txheej txheem los nrhiav kev ruaj ntseg flaws. Kev xeem nkag tsom rau kev ruaj ntseg ntawm qhov tshwj xeeb uas tau teev tseg rau kuaj.
Ib tug kuj yuav nug, qhov txawv ntawm hacker thiab kev ncaj ncees hacker yog dab tsi? Lub xwb txawv yog tias hackers usetools nyiag los yog rhuav tshem cov ntaub ntawv whereas EthicalHackers siv tib cov cuab yeej los tiv thaiv kab ke los ntawm " hackers nrog kev xav phem." EthicalHacking yog raug cai thiab nyiag nyiag yog ua tiav nrog kev tso cai los ntawm tus neeg siv khoom.
Ib yam li ntawd, nws yog nug, dab tsi yog kev nkag mus rau hauv kev nyiag khoom?
Nkag mus xeem, kuj hu ua cwj mem xeem orethical nyiag nyiag , yog qhov kev coj ua ntawm kev sim lub khoos phis tawj, network lossis lub vev xaib kom pom kev nyab xeeb qhov tsis zoo uas tus neeg tawm tsam tuaj yeem siv tau. Nkag mus kev xeem tuaj yeem ua tiav nrog cov ntawv thov software lossis ua tiav manually.
Qhov twg yog qhov zoo tshaj plaws kev ncaj ncees hacking ntawv pov thawj?
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Pom zoo:
Dab tsi yog qhov sib txawv ntawm kev sib txuas lus taw qhia thiab kev sib txuas tsis raug cai?
Qhov txawv: Kev sib txuas lus taw qhia thiab kev sib txuas tsis muaj kev sib txuas Kev sib txuas lus taw qhia kev sib txuas ua rau muaj kev sib txuas thiab xyuas seb cov lus puas tau txais lossis tsis tau thiab xa rov qab yog tias muaj qhov yuam kev tshwm sim, thaum qhov kev pabcuam tsis sib txuas tsis tau lees tias xa xov
Dab tsi yog qhov txawv ntawm kev sib raug zoo unary kev sib raug zoo binary thiab kev sib raug zoo ternary?
Kev sib raug zoo tsis sib xws yog thaum ob tus neeg koom hauv kev sib raug zoo yog tib lub koom haum. Piv txwv li: Cov ncauj lus yuav yog qhov yuav tsum tau ua ua ntej rau lwm yam kev kawm. Kev sib raug zoo ternary yog thaum peb lub koom haum koom nrog kev sib raug zoo
Dab tsi yog qhov sib txawv tseem ceeb ntawm kev sib txuas lus tsis sib xws thiab kev sib txuas lus taw qhia?
1. Hauv kev sib txuas lus tsis muaj kev sib txuas lus tsis tas yuav tsim kev sib txuas ntawm qhov chaw (sender) thiab qhov chaw (receiver). Tab sis nyob rau hauv kev sib txuas-taw qhia kev sib txuas lus kev sib txuas lus yuav tsum tau tsim ua ntej hloov cov ntaub ntawv
Dab tsi yog qhov sib txawv ntawm qhov ntsuas qhov ntsuas thiab qhov ntsuas thib ob?
Primary index: nyob rau hauv ib tug sequentially order file, qhov Performance index uas nws search key qhia cov sequential order ntawm cov ntaub ntawv. Kuj hu ua clustering index. Secondary index: ib qho Performance index uas nws qhov tseem ceeb tshawb nrhiav qhia qhov kev txiav txim sib txawv ntawm qhov kev txiav txim ntawm cov ntaub ntawv. Kuj hu ua non-clustering index
Dab tsi yog qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas?
Xav txog nws li no: rhiab heev yog ib qho kev ntsuas ntawm qhov hloov pauv ntawm lub koob yees duab qhov chaw saib uas tsim nyog raws li qhov muaj peev xwm tshawb pom, thiab qhov pib yog qhov ntau npaum li cas ntawm cov lus tsa suab yuav tsum tshwm sim txhawm rau txhawm rau ua rau lub tswb