Video: Dmvpn qhov av yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
DMVPN (Dynamic Multipoint VPN) yog cov txheej txheem routing uas peb tuaj yeem siv los tsim lub VPN network nrog ntau qhov chaw yam tsis tas yuav teeb tsa txhua yam khoom siv. Nws yog "hub thiab hais lus" network uas cov spokes yuav muaj peev xwm sib txuas lus nrog ib leeg ncaj qha yam tsis tas yuav mus los ntawm lub hub.
Kuj paub, Dmvpn sawv cev rau dab tsi?
dynamic multipoint virtual private network
Qhov thib ob, yog Dmvpn Cisco muaj tswv? DMVPN yog ib tug dynamic VPN technology Ameslikas tsim los ntawm Cisco . Thaum lawv siv tau qee yam muaj tswv , lub hauv paus technologies yog cov qauv raws li. Peb lub thev naus laus zis yog: NHRP - NBMA Next Hop Resolution Protocol (RFC2332)
Piv txwv li, Cisco Dmvpn yog dab tsi?
Cisco ® Dynamic Multipoint VPN ( DMVPN ) yog a Cisco IOS ® Software-raws li kev nyab xeeb kev daws teeb meem rau kev tsim kom muaj peev xwm ua lag luam VPNs uas txhawb nqa kev faib tawm xws li suab thiab yees duab (Daim duab 1). Cisco DMVPN yog dav siv los ua ke ua lag luam ceg, teleworker, thiab extranet connectivity.
Puas yog Dmvpn ruaj ntseg?
DMVPN muab a ruaj ntseg , tsis tau yooj yim teeb tsa, thiab scalable WAN daws. DMVPN yog ib chav suite ntawm cov txheej txheem ua haujlwm ua ke los muab kev sib txuas WAN encrypted. NHRP, mGRE, IPSEC, ib qho IGP (feem ntau EIGRP), thiab CEF txhua tus ua haujlwm ua ke los txhawb nqa DMVPN tes hauj lwm.
Pom zoo:
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
Dab tsi yog sparse kem Dab tsi yog qhov zoo thiab qhov tsis zoo?
Koj poob 4 bytes tsis yog ib zaug ib kab; tab sis rau txhua lub cell hauv kab uas tsis yog null. Qhov zoo ntawm SPARSE kem yog: Qhov tsis zoo ntawm SPARSE kem yog: SPARSE kem tsis tuaj yeem siv rau ntawm cov ntawv, ntext, duab, timestamp, geometry, geography lossis cov neeg siv cov ntaub ntawv teev tseg
Dab tsi yog qhov qub txeeg qub teg Dab tsi yog qhov sib txawv ntawm qhov qub txeeg qub teg piav nrog piv txwv?
Inheritance yog ib txoj hauv kev kom tau txais cov yam ntxwv thiab kev coj cwj pwm ntawm ib chav kawm los ntawm lwm chav kawm. Cov chav kawm uas cov tswv cuab tau txais qub txeeg qub teg yog hu ua chav kawm hauv paus, thiab chav kawm uas tau txais cov tswv cuab tam sim no hu ua chav derived. Inheritance siv IS-A kev sib raug zoo
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
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