单项选择题
If two routers， both reachable from one another， originate functionally equivalent type 2 external- LSAs （i.e，same destination， cost and non-zero forwarding address ）， Which of the following statements wouldapply ？（）
A.Two LSAs will exist in the network for this destination， and both will be used
B.Two LSAs will exist in the network for this destination， but only the one generated by the highest RID ASBR will be used
C.Only the LSA generated by the highest RID ASBR will exist in the network
D.Only the LSA generated by the lowest RID ASBR will exist in the network
相关考题
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多项选择题
Assumetworoutersonthesamesubnet，R1andR2，bothconfiguredforHSRP.R1hasapriorityof120.WhichofthefollowingHSRPinterfaceconfigurationswillalwaysresultintheR2becomingtheprimary？（）
A.standby 1 priority 110
B.standby 1 priority 120
C.standby 1 priority 130
D.standby 1 priority 110 preempt
E.standby 1 priority 120 preempt
F.standby 1 priority 130 preempt -
多项选择题
IftheOSPFprotocolisusedtoconnectcustomeredge（CE）routerstoserviceprovideredge（PE）routersintheVPNbackbone，whichtwooptionsbestdescribetheuseofSHAMlinks？（）
A.A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor link
B.A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchanged
C.A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor door
D.A SHAM link is part of OSPF network of MPLS-VPN provider -
单项选择题
WhatistrueregardingAutonomousSystems（AS）？（）
A.AS numbers are assigned by the IANA
B.AS numbers are used by BGP （Border Gateway protocol ） to exchange IP routing information with neighboring AS
C.In the internet， an Autonomous System （AS） is a collection of IP networks and routers under the control
D.All of the Above
