多选题Which three restrictions apply to OSPF stub areas?（）AThe area cannot be a backbone area.BInter area routes are suppressed.CThe area has no more than 10 routers.DNo virtual links are allowed.ENo autonomous system border routers are allowed.FRedistribution is not allowed unless the packet is changed to a type 7 packet.
多选题
Which three restrictions apply to OSPF stub areas?（）
A
The area cannot be a backbone area.
B
Inter area routes are suppressed.
C
The area has no more than 10 routers.
D
No virtual links are allowed.
E
No autonomous system border routers are allowed.
F
Redistribution is not allowed unless the packet is changed to a type 7 packet.
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