多选题Which three are benefits of IS - IS over OSPF?（）Asupports route tagsBsupports more routers in an areaCdoes not require Hello packets to establish neighbor relationshipsDproduces fewer link state advertisements for a given networkEsupports network layer protocols other than IPFrequires fewer neighbor relationships in a broadcast multiaccess network
多选题
Which three are benefits of IS - IS over OSPF?（）
A
supports route tags
B
supports more routers in an area
C
does not require Hello packets to establish neighbor relationships
D
produces fewer link state advertisements for a given network
E
supports network layer protocols other than IP
F
requires fewer neighbor relationships in a broadcast multiaccess network
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