A.a primary route,stored in the routing table
B.a backup route,stored in the routing table
C.a backup route,stored in the topology table
D.a primary route,stored in the topology table
A.重置UDP
B.產(chǎn)生一個(gè)警報(bào)
C.丟去或阻止這個(gè)行為
D.允許該行為