找考题网-背景图
多项选择题

A.to confine network instability to single areas of the……

Why do large OSPF networks use a hierarchical design?()

A.to confine network instability to single areas of the network.
B.to reduce the complexity of router configuration
C.to speed up convergence
D.to lower costs by replacing routers with distribution layer switches
E.to decrease latency by increasing bandwidth
F.to reduce routing overhead