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CCNA Certified Cov Tub Txib - Cov Lus Nug Thiab Cov Lus Teb
29 Jun 2017

CCNA Certified Cov Tub Txib - Cov Lus Nug Thiab Cov Lus Teb

Kev Tshawb Nrhiav Cov Lus Nug Thiab Cov Lus Teb Rau Lub CCNA

CCNA los yog "Cisco Certified Network Associate" daim ntawv pov thawj yog ib qho kev tawm tsam nrawm tshaj plaws rau tom qab CISCO cov ntawv pov thawj thoob ntiaj teb. Muaj ntau tshaj li ib vam vam CISCO cov tub txawg txoj kev khiav tawm ntau lub koom haum tsawg thiab ntau dua nrog cov MNCs. CISCO yog lub koomhaum IT thiab koomhaum tshaj plaws ntawm lub ntiaj chaw thiab tom qab CCNA daim ntawv pov thawj muaj cov ntsiab lus tseem ceeb thiab muaj kev them siab thiab ntau yam zoo. Yog tias koj yog CCNA cov kws tshaj lij, cov lus nug hauv qab no tej zaum yuav pib tuaj thaum koj ntsib koj qhov kev xam phaj. Ua rau lawv xav txog qhov kawg ntawm lub hom phiaj kom tau npaj txhij kom zoo rau cov tuaj thiab tuaj tom ntej neeg ua hauj lwm ntsib kev sib ntsib thiab kom pom tseeb zoo.

Qhov kev yuav ua li cas?

Routing yog txoj kev mus rau kev siv Pob ntawv ntawm qhov chaw los ntawm lub hom phiaj. Hloov yog lub gadget uas yog routing, uas nyob ntawm lub hom phiaj IP chaw nyob. Hloov yog qhov txheej txheem ntawm kev dhia los ntawm thaws khoom.

Dab tsi yog ib feem ntawm Cov Ntaub Ntawv Txuas Lus hauv kev sib tham?

Cov txheej txheem no saib xyuas cov ntaub ntawv yog tsim raws li txoj kev, deals nrog qhov chaw yuam kev thiab saib xyuas cov ntaub ntawv yog xa mus. Qhov no yog txheej nyob qhov twg "Ethernet" nyob. Macintosh Chaw Nyob thiab Ethernet ntaem nyob rau ntawm Cov Ntaub Ntawv Txuas Cov Ntaub Ntawv.

Vim li cas thiaj siv cov keyboards siv ua ib feem ntawm kev sib tham?

Cov kev hloov no yog tsim los ua kom lub network muaj kev ncaj ncees. Kaw cov hluav taws xob txheej 2 gadget, yog li ua tau zoo rau hauv saib ntawm qhov chaw nyob macintosh, thiaj li nthuav tawm ceev.

Dab tsi yog meant ntawm lub congestion network?

Nyob rau ntawm qhov chaw thaum cov neeg tau txais kev pab ntau tshaj (dhau ntawm qhov kev poob siab thiab qhov zoo ntawm lub network channel) siv los sis sim siv tib lub network sib kis, muaj peev xwm tshwm sim, raws li lub network tsis nco qab tias yuav tsum muaj xws li ntau hom neeg. Txij li thaum tsis tshua muaj kev ceev ceev tsis muaj chaw txaus los tuav cov ntaub ntawv, tom qab cov ntaub ntawv poob.

Lub luag hauj lwm ntawm tus choj yog dab tsi? Nws puas faib lub network rau hauv cov zauv feem me me los yog ntu?

Cov kab txaij cuam tshuam raws lub network, thaum tsis kho nws loj. Nws kis tau cov khoom ntawm cov ntaub ntawv ntawm 2 network tawg ua haujlwm uas ua haujlwm zoo li qub thiab ib qho kev sib txuas lus zoo.

CISCO Catalyst tso cai los ntawm kev sib txuas lus hauv LAN tswj?

CISCO Catalyst 5000 siv cov "hla kev" hloov chaw convention thiab cov txheej txheem. Daim phiaj Los ntawm kev hloov yuav pib xa ntug thaum lub hom phiaj ntawm qhov chaw tau lees paub. Qhov kev sib txuam ntawm no thiab Store-and-Forward yog qhov cia-thiab-Forward tau txais tag nrho casing ua ntej xa. Cov ntaub ntawv ntawm khw thiab nraim yog Catalyst 2960 thiab 2960-S

Impetus 3750-X thiab 3560-X.

Vim hais tias cov ntsiab lus piav qhia tsis tuaj yeem raug txheeb xyuas los ntawm tsuas yog lub hom phiaj ntawm qhov chaw nyob, Txiav-Txog yuav cuam tshuam cov kev siv network los ntawm kev xa tuaj tsis raug lossis qis ntxais. Cov npoo phem no ua rau kev sib txuas lus los ntawm kev sib txuas lus nyob rau hauv ob peb qhov kev sib txuas ntawm lub network tuaj yeem ua rau cov lus qhia tsis meej rau txhua lub sijhawm.

Dab tsi ua hauj lwm yog tuav los ntawm LLC sublayer?

LLC lossis Logical Link Control txheej yog qhov tseem ceeb ntawm kev muab ntau cov kev xaiv rau lwm tus neeg tsim daim qauv. Piv txwv, nws tuaj yeem muab kev tswj hwm ntawm kev tswj dej los ntawm kev siv thiab siv cov cim pib / nres. Cov txheej xwm yuav zoo tib yam nkaus rau cov kev kho mob ntawm kev ua yuam kev.

Dab tsi yog qhov kev ua haujlwm txheej txheem hauv kev sib tham?

3 lub ntsiab lus ntawm cov ntawv thov txheej txheem yog:

  • Qhov no yog txheej uas muab lub interface nrhov tus neeg thov thiab daim ntawv thov.
  • Qhov no yog txheej uas muab nkag rau ntau daim ntawv thov, piv txwv, xa tawm cov kev khiav dej num, cov chaw khiav dej num, cov ntaub ntawv khiav dej num thiab lwm yam.
  • Kom synchronize thiab kho cov ntawv thov rau ob tus neeg thiab cov neeg rau zaub mov.

Qhov txawv ntawm IGRP thiab RIP yog dab tsi?

Thaum IGRP soj ntsuam hais txog kev ua zoo xws li kev tsis txaus siab, cov ntaub ntawv xa mus, dhia tally thiab MTU vim li cas thiab muab qhov zoo tshaj plaws kev sib koom tes, RIP exclusively yog nyob ntawm cov thooj naj npawb paub txog yam kev kawm zoo siv rau lub network.

Dab tsi yog meant Boot P?

Cov chaw ua haujlwm uas tsis muaj cov phiaj thiab muaj feem xyuam nrog cov kev pabcuam raug muab siv los ntawm kev siv Boot P Convention. Cov ntsiab lus tseem ceeb nyob rau "Boot Program". Lwm yam tshaj li no, Khau P P ntxiv thiab siv cov chaw ua haujlwm kom paub qhov chaw nyob ntawm lawv tus kheej, thiab tus neeg zov me nyuam lub PC tus IP.

Cov no yog ob peb lus nug uas tej zaum yuav raug nug hauv kev xam phaj. Yog tias nws muaj peev xwm, cov lus nug yuav yog los ntawm txhua yam kev kawm uas koj tau tshuaj xyuas los ntawm kev pom zoo rau CCNA. Koj yuav tsum muaj tag nrho cov ntsiab lus thiab mloog zoo rau saum hauv qab mus ntsib kev xam phaj nrog kev tseeb. Qhov no yuav zoo ib yam li koj txoj kev vam meej.

Saib Ntxiv:

CCNA Certification - Daim Ntawv Qhia Tag Nrho

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