By default, which JUNOS software routing table contains IPv6 unicast routes?() A.inet.6B.ipv6.0C.inet0D.inet6.0
By default, which JUNOS software routing table contains IPv6 unicast routes?()
A.inet.6
B.ipv6.0
C.inet0
D.inet6.0
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Whichfragmentisanexampleofinappropriateuseofassertions?() A.assert（!（map.contains（x）））；map.add（x）；B.if（x0）{}else{assert（x==0）；}C.publicvoidaMethod（intx）{assert（x0）；}D.assert（invariantCondition（））；returnretval；E.switch（x）{case1：break；case2：creak；default：assert（x==0）；
Which security or functional zone name has special significance to the Junos OS?() A. selfB. trustC. untrustD. junos-global
Which RIP configuration command allows the ERX Edge Router to send Unicast updates to configured neighbors?() A.neighborB.unicast-neighborC.triggered-updateD.passive-interface
根据网络拓扑和需求说明，完成(或解释)路由器R1的配置。Router(config) ipv6 unicast-routing (3)Rl(config) interface Serial 1/0R1(config-io (4) address (5) (6) (设置串口地址)R1(config-if)no shutdown (开启串口)R1(config)interface FastEthemet0/0R1(config-if) (7) address (8) (设置以太口地址)R1(config-if)exit（3）
Whichofthefollowingcorrectlyfillsinthemissingwordsofthissentence:AnARPrequestusesaaddress,whereasanARPreplyusesaaddress.() A.broadcast，multicastB.unicast，broadcastC.broadcast，unicastD.multicast，unicastE.broadcast，broadcastF.unicast，multicast
WhichofthefollowingcommandswillcauseRIPngtooriginateadefaultrouteadvertisementwhilesuppressingallotherroutes?() A.Rl（config-if）#ipv6default-informationoriginateB.Rl（config-router）#ipv6rip〈process-name〉default-informationonlyC.Rl（config）#ipv6route：：/0null0D.Rl（config-if）#ipv6rip〈process-name〉default-informationonlyE.Rl（config-router）#ipv6riproute；：/0originateF.Rl（config-router）#aggregate-address：：/0summarize-routes
ThenetworksetupforthistroubleticketisshowninFigure3.TroubleTicketStatementDSW1andR4cannotpingR2’sloopbackorR2’ss0/0/0/0.12IPv6address.InitialtroubleshootingshowsandR2isnotanOSPFv3neighboronR3.ConfigurationonR2ipv6unicast-routing!ipv6routerospf6router-id2.2.2.2!interfaces0/0/0/0.23ipv6address2026：：1：1/122ConfigurationR3ipv6unicast-routing!ipv6routerospf6router-id3.3.3.3!interfaces0/0/0/0.23ipv6address2026：：1：2/122ipv6ospf6area0Figure3OnWhichdeviceisthefaultconditionlocated?（）
Traditional IP packet forwarding analyzes the（ ）IP address contained in the network layer header of each packet as the packet travels from its source to its final destination.A router analyzes the destination IP address independently at each hop in the network.Dynamic（ ）protocols or static configuration builds the database needed to analyze the destination IP address（the routing table）.The process of implementing traditional IP routing also is called hop-by-hop destination-based（请作答此空）routing.Although successful，and obviously widely deployed，certain restrictions，which have been realized for some time，exist for this method of packet forwarding that diminish is（ ）.New techniques are therefore required to address and expand the functionality of an IP-based network infrastructure.This first chapter concentrates on identifying these restrictions and presents a new archiecture，known as multiprotocol（ ）switching，that provides solutions some of these restrictions.A.anycastB.muticastC.broadcastD.unicast