多项选择题
Which three pre-conditions must be met before an OSPF router can perform graceful restart？（）
A.Router must be ABR
B.Router must contain one sham link.
C.The network topology must be stable.
D.Router must be able to forward packets.
E.Neighbors must support graceful restart.
相关考题
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单项选择题
WhatisthecorrectvirtuallinkconfigurationonanOSPFrouter？（）
A.area 0.0.0.0{ linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}
B.area 0.0.0.0{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}
C.area 0.0.0.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}
D.area 0.0.2.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.0.0；} -
多项选择题
InJUNOSsoftware，whataretwowaystherouterIDischosen？（）
A.Choose the lowest primary address.
B.If assigned，always choose address of fxp0.
C.Choose numerically highest IP address of lo0.
D.Choose numerically lowest IP address of fxp0.
E.Choose the non-127.0.0.1 primary address on lo0. -
单项选择题
InJUNOSsoftware，whatisrequiredtodedistributeRIProutesintoOSPF？（）
A.Apply an export policy in RIP
B.Apply an import policy in RIP
C.Apply an export policy in OSPF
D.Apply an import policy in OSPF
