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What is an RPF check？
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Which command can be used to check the assignment of RPs to multicast groups？（）A、show ip pim rendez-vousB、show ip rpf rp mappingC、show ip pim rp mappingD、show ip pim rp infoE、show ip pim
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What is true about Unicast RPF in strict mode？（）A、It works well with a multihomed environment.B、It will inspect IP packets that are encapsulated in tunnels， such as GRE，LT2P，or PPTP.C、uRPF is performed within the CEF switching path.D、There might be a problem with DHCP as Unicast RPF is blocking packets with a 0.0.0.0 sourceaddress.
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Which two statements about RPF checks in Multicast Source Discovery Protocol （MSDP） are true？（）A、It prevents message looping， Session Advertisement （SA）messages must be RPF checkedB、RPF check should be done against the route to the source S of the corresponding PIM-SM domainC、RPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM domain，which originated the SAD、RPF checking Session Advertisement （SA） messages will cause message looping
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单选题What is true about Unicast RPF in strict mode？（）A
It works well with a multihomed environment.B
It will inspect IP packets that are encapsulated in tunnels， such as GRE，LT2P，or PPTP.C
uRPF is performed within the CEF switching path.D
There might be a problem with DHCP as Unicast RPF is blocking packets with a 0.0.0.0 sourceaddress.
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单选题Which command can be used to check the assignment of RPs to multicast groups？（）A
show ip pim rendez-vousB
show ip rpf rp mappingC
show ip pim rp mappingD
show ip pim rp infoE
show ip pim
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单选题Which mechanism does External BGP use to prevent the formation of routing loops?（）A
AS pathB
Split horizonC
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多选题Which two statements are true about RPF checks in MSDP（Multicast Source Discovery Protocol）？（）AIt prevents message looping，Session Advertisement（SA）messages must be RPF checkedBRPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM domain，which originated the SACRPF checking Session Advertisement（SA）messages will cause message loopingDRPF check should be done against the route to the source S of the corresponding PIM-SM domain
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单选题What Cisco IOS feature examines packets received to make sure that the source address and interfaceare in the routing table and matck the interface that the packet was received on？（）A
MPLS Traffic EngineeringB
Dynamic access-listsC
AuthenticationD
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Unicast RPF
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问答题what is RPF（ Reverse Path Forwarding ）？
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