Video: Dab tsi yog qhov txhaum domain thiab hloov tshiab domain?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Fault Domains . Thaum koj muab VMs rau hauv qhov chaw muaj, Azure lav kom kis tau lawv hla Fault Domains thiab Update Domains . A Fault Domain (FD) yog qhov tseem ceeb ntawm khib ntawm servers. Yog tias muaj qee yam tshwm sim rau lub zog mus rau khib 1, IIS1 yuav ua tsis tiav thiab yog li SQL1 tab sis lwm 2 servers yuav txuas ntxiv mus.
Hais txog qhov no, dab tsi yog qhov txhaum cai thiab hloov kho lub npe hauv Azure?
Txhua lub tshuab virtual hauv Availability Set yog muab rau Hloov tshiab domain thiab Fault domain los ntawm Azure platform. Fault Domain . Ua txhaum cai txhais cov pab pawg ntawm cov tshuab virtual uas sib koom ua ke ntawm cov khoom siv hluav taws xob thiab lub network hloov. Txhua thiab txhua txhaum cai muaj qee lub racks thiab txhua lub khib muaj lub tshuab virtual.
Ib sab saum toj, dab tsi muaj nyob hauv Azure? Muaj teeb tsa Overview Ib Availability Set yog ib pab pawg muaj peev xwm muaj peev xwm cais VM cov peev txheej ntawm ib leeg thaum lawv siv. Azure xyuas kom meej tias VMs koj tso rau hauv ib qho Availability Set khiav hla ntau lub cev servers, suav racks, chaw cia khoom, thiab hloov network.
Ntxiv mus, pes tsawg qhov hloov tshiab tau tso cai hauv Azure?
Fault domains thiab hloov tshiab domains. Thaum koj tso koj VMs rau hauv Cov Txheej Txheem Muaj, Azure lav kom kis tau lawv hla kev txhaum thiab hloov kho cov npe. Los ntawm lub neej ntawd, Azure yuav muab peb qhov txhaum cai thiab tsib hloov tshiab domains (uas tuaj yeem nce mus rau qhov siab tshaj plaws ntawm 20) mus rau Cov Txheej Txheem Muaj.
Dab tsi tshwm sim tuaj yeem cuam tshuam qhov muaj ntawm Azure virtual tshuab?
Muaj peb qhov xwm txheej ntawd ua tau coj mus rau tshuab virtual hauv Azure raug cuam tshuam: kho kho vajtse tsis tau npaj tseg, lub sijhawm poob qis, thiab kev npaj kho.
Pom zoo:
Dab tsi yog qhov hloov tshiab thiab tso cov lus nug ua dab tsi?
Qhov tsim nyog syntax thiab siv cov lus txib no yog raws li hauv qab no. INSERT: โ ntxig yog cov lus txib hauv oracle SQL uas yog siv los ntxig cov ntaub ntawv rau hauv lub rooj. Hloov tshiab: โ Hloov tshiab yog siv los hloov cov ntaub ntawv qub / cov ntaub ntawv nrog cov ntaub ntawv tshiab. DROP: โ Drop yog siv los tshem tawm tag nrho cov lus los ntawm cov ntaub ntawv nrog lub rooj
Dab tsi yog qhov sib txawv ntawm kev rov ua dua tshiab thiab kev kho dua tshiab?
Kev piav qhia ntxaws ntxaws yog qhov txheej txheem nco uas suav nrog kev xav txog lub ntsiab lus ntawm lub ntsiab lus uas yuav tsum nco ntsoov, sib piv nrog cov txheej txheem ntawm kev rov hais dua cov lus rau tus kheej ntau dua. Kev saib xyuas kev kho mob yog cov txheej txheem ntawm kev rov xav txog lossis hais lus ib yam ntawm cov ntaub ntawv
Dab tsi yog qhov txawv ntawm qhov hloov pauv thiab core hloov?
Core Hloov vs Edge Hloov: Qhov txawv yog dab tsi? Cov tub ntxhais hloov pauv yog lub pob txha pob txha muaj zog nyob rau hauv nruab nrab ntawm lub network core txheej, uas yog nruab nrab ntawm ntau qhov sib xyaw ua ke mus rau cov tub ntxhais kawm thiab siv LAN routing. Li qub ntug hloov yog nyob rau hauv accesslayer ncaj qha mus txuas ntau yam kawg li
Dab tsi yog qhov zoo sib xws thiab qhov txawv ntawm relays thiab PLC yog dab tsi?
Relays yog electro-mechanical keyboards uas muaj coil thiab ob hom kev sib cuag uas tsis yog NO & NC. Tab sis Programmable Logic Controller, PLC yog lub khoos phis tawj me uas tuaj yeem txiav txim siab raws li qhov kev zov me nyuam thiab nws cov tswv yim & tso tawm
Puas yog ib qho kev hloov pauv hloov tshiab ua rau muaj kev ua haujlwm tau hais tseg ntawm kev hloov tshiab?
Cov qauv tsis ua rau 'cov ntaub ntawv hloov tshiab,' thiab yog li feem ntau tsis tuaj yeem tua tsis tau dab tsi (ua rau, cov cai ua haujlwm, ntws, cov lus tawm, thiab lwm yam). Koj tuaj yeem xaiv kom rov ua haujlwm rov ua haujlwm cov cai thaum qhov hloov tshiab ua rau cov ntaub ntawv hloov pauv, tab sis kuv tsis paub meej tias yuav pab tau koj li cas