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Video: Dab tsi yog qhov chaw hem thawj?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Qhov chaw raug hem
Qhov chaw raug hem yog cov uas xav kom muaj kev sib haum xeeb. Nws yog ib lo lus siv los paub qhov txawv ntawm lawv hem cov neeg sawv cev / cov neeg ua yeeb yam uas yog cov uas ua tawm tsam thiab leej twg yuav raug txib los yog yaum los ntawm qhov chaw hem kom paub txog lossis tsis paub txog kev tawm tsam
Hais txog qhov no, qhov piv txwv ntawm kev hem thawj yog dab tsi?
npe. Lub ntsiab txhais ntawm a hem yog ib nqe lus hais txog kev xav ua phem lossis rau txim, lossis ib yam dab tsi uas ua rau muaj kev phom sij los yog kev puas tsuaj. Yog tias koj hais rau ib tug neeg "Kuv yuav tua koj," qhov no yog ib qho piv txwv ntawm kev hem . Tus neeg uas muaj peev xwm tawg lub tsev yog ib qho piv txwv ntawm kev hem.
Kuj Paub, dab tsi yog qhov kev hem thawj cyber? A cyber los yog cybersecurity hem yog ib qho kev ua phem uas nrhiav kev puas tsuaj rau cov ntaub ntawv, nyiag cov ntaub ntawv, lossis cuam tshuam lub neej digital feem ntau. Cyber hem thawj suav nrog cov kab mob hauv computer, cov ntaub ntawv ua txhaum cai, Kev Tsis Txaus Siab Kev Pabcuam (DoS) tawm tsam thiab lwm yam kev tawm tsam.
Ua raws li qhov no hauv kev txiav txim siab, dab tsi yog qhov chaw ntawm kev hem thawj kev nyab xeeb?
Thawj qhov chaw ntawm kev hem yog cov neeg ua haujlwm / cov neeg sab hauv, cov neeg ua phem phem, kev puas tsuaj ntuj tsim, cov yeeb ncuab txawv teb chaws, thiab kev tawm tsam. Hauv ntau qhov xwm txheej, thaj chaw rau qhov chaw ntawm kev hem tuaj yeem sib tshooj. Piv txwv li, kev tawm tsam kev tawm tsam tuaj yeem ua los ntawm cov yeeb ncuab txawv teb chaws lossis cov neeg ua haujlwm tsis txaus siab.
Dab tsi yog kev ruaj ntseg hem thiab nws hom?
Muaj ob peb hom ntawm lub computer kev ruaj ntseg xws li Trojans, Virus, Adware, Malware, Rootkit, hackers thiab ntau ntxiv. Tshawb xyuas qee qhov kev phom sij tshaj plaws hom ntawm lub computer Kev Nyab Xeeb Kev Nyab Xeeb.
Pom zoo:
Qhov txawv ntawm qhov chaw nyob thiab qhov chaw nyob yog dab tsi?
Qee zaum, 'txoj kev chaw nyob' hais txog koj lub cev qhov chaw nyob ntawm qib zoo dua hauv nroog. Piv txwv li, '1313Mockingbird Lane', tsis muaj lub nroog lub npe txuas nrog. Tab sis yog, feem ntau nws tsuas yog ib daim ntawv rov qab kom paub qhov txawv ntawm qhov chaw xa ntawv (thaum chiv keeb) thiab tam sim no e-mail chaw nyob, chaw nyob hauv web, IPaddress, thiab lwm yam
Qhov chaw nyob ntawm lub cev thiab qhov chaw nyob qhov chaw nyob yog dab tsi?
Qhov sib txawv yooj yim ntawm Logical thiab lub cev chaw nyob yog qhov chaw nyob Logical yog tsim los ntawm CPU hauv kev xav ntawm ib qho kev pab cuam. Ntawm qhov tod tes, qhov chaw nyob ntawm lub cev yog qhov chaw nyob uas muaj nyob hauv lub cim xeeb. Cov txheej txheem ntawm txhua qhov chaw nyob uas tsim los ntawm CPU fora program hu ua Logical Address Space
Dab tsi yog qhov dav thawj qhov kev tshawb nrhiav thiab qhov tob thawj qhov kev tshawb fawb?
BFS sawv rau Breadth First Search. DFS sawv cev rau Kev Tshawb Nrhiav Qhov tob. 2. BFS (Breadth First Search) siv Queue cov qauv ntaub ntawv los nrhiav txoj hauv kev luv tshaj. BFS tuaj yeem siv los nrhiav ib qhov chaw luv tshaj plaws hauv cov duab tsis hnyav, vim tias hauv BFS, peb mus txog qhov kawg uas muaj qhov tsawg kawg nkaus ntawm cov npoo los ntawm qhov chaw vertex
Qhov txawv ntawm qhov chaw kub thiab qhov chaw txias yog dab tsi?
Thaum lub chaw kub kub yog ib daim qauv ntawm cov chaw khaws ntaub ntawv nrog tag nrho koj cov khoom siv kho vajtse thiab software ua haujlwm nrog koj lub xaib thawj zaug, qhov chaw txias tau muab tshem tawm - tsis muaj server hardware, tsis muaj software, tsis muaj dab tsi. Kuj tseem muaj qhov chaw sov uas nyob nruab nrab ntawm qhov chaw kub thiab qhov chaw txias los ntawm cov khoom siv
Qhov txawv ntawm qhov chaw nyob sib txuas lus thiab qhov chaw nyob ruaj khov yog dab tsi?
Qhov chaw nyob xa ntawv yog chaw nyob sib txuas lus piv txwv li qhov koj nyob tam sim no. & chaw nyob Apermanent yog ntawm koj cov ntaub ntawv yog sau rau ntawm koj daim ntawv pov thawj hnub yug & daim npav pov npav. Qhov chaw nyob ruaj khov & kev sau ntawv yuav zoo ib yam lossis txawv ntawm cov ntaub ntawv siv tau