在一个单链表中,若q结点是p结点的前驱结点,在q与p之间插入结点s,则执行()。
A.s→link=p→link; p→link=s
B.p→link=s; s→link=q
C.p→link=s→link; s→link=p
D.q→link=s; s→link=p
第1题
A.TheIDSisinthetrafficpath.
B.TheIDScansendTCPresetstothesourcedevice.
C.TheIDScansendTCPresetstothedestinationdevice.
D.TheIDSlistenspromiscuouslytoalltrafficonthenetwork.
E.DefaultoperationisfortheIDStodiscardmalicioustraffic.
第2题
A.Greatscalabilityisoffered
B.RouteTargetRewritemustbeconfiguredonASBRs
C.MultihopEBGPisutilizedbetweenroutereflectors
D.MultihopEBGPisutilizedbetweenASBRs
E.TheASBRsholdVPNv4routes
第3题
A. The command establishes a static route
B. The command invokes a dynamic routing protocol for 192.168.12.0
C. Traffic for network 192.168.12.0 is forwarded to 172.16.12.1
D. Traffic for all networks is forwarded to 172.16.12.1
E. This route is automatically propagated throughout the entire network
F. Traffic for network 172.16.12.0 is forwarded to the 192.168.12.0 network
第4题
A.Alltrafficispermittedfromtheinboundtotheoutboundinterfaceuponsuccessfulauthenticationoftheuser.
B.AspecificaccessprofileisretrievedfromaTACACS+orRADIUSserverandappliedtoanIOSFirewallbasedonuserprovidedcredentials.
C.PriortorespondingtoaproxyARP,therouterwillprompttheuserforaloginandpasswordwhichareauthenticatedbasedontheconfiguredAAApolicy.
D.TheproxyservercapabilitiesoftheIOSFirewallareenableduponsuccessfulauthenticationoftheuser.
第5题
A.Itrequiresanext-nexthopbackuptunnel.
B.Pointoflocalrepair(PLR)swapsthenexthoplabelandpushesthebackuplabel.
C.Thebackuptunnelterminatesonthemergepoint(MP)wheretrafficrejoinstheprimarytunnel.
D.Thebackuptunnelcanhaveassociatedbandwidthcapacity.
E.Restorationtimeisexpectedunder50ms.
第6题
A.head-endrouter
B.branch-pointrouter
C.midpointrouter
D.leaf-pointrouter
E.tail-endrouter
第7题
A.network-basedapplicationrecognition(NBAR)
B.authenticationproxy
C.statefulpacketfiltering
D.AAAservices
E.proxyserver
F.IPS
第8题
A. It provides dynamic neighbor discovery
B. It detects unreachable neighbors in 90 second intervals
C. It maintains neighbor relationships
D. It negotiates correctness parameters between neighboring interfaces
E. It uses timers to elect the router witch the fastest links as the designated router
F. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF
第9题
第10题
A.TheIPinspectionrulecanbeappliedintheinbounddirectiononthesecuredinterface.
B.TheIPinspectionrulecanbeappliedintheoutbounddirectionontheunsecuredinterface.
C.TheACLappliedintheoutbounddirectionontheunsecuredinterfaceshouldbeanextendedACL.
D.TheACLappliedintheinbounddirectionontheunsecuredinterfaceshouldbeanextendedACL.
E.FortemporaryopeningstobecreateddynamicallybyCiscoIOSFirewall,theaccess-listforthereturningtrafficmustbeastandardACL.
F.FortemporaryopeningstobecreateddynamicallybyCiscoIOSFirewall,theIPinspectionrulemustbeappliedtothesecuredinterface.
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