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多項選擇題

OSPF routing uses the concept of areas. What are the characteristics of OSPF areas? ()

A.Each OSPF area requires a loopback interface to be configured.
B.Areas may be assigned any number from 0 to 65535.
C.Area 0 is called the backbone area.
D.Hierarchical OSPF networks do not require multiple areas.
E.Multiple OSPF areas must connect to area 0.
F.Single area OSPF networks must be configured in area 1.

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填空題

流控的三種方式是()、()、()。

答案: 抑制技術(shù);緩存技術(shù);窗口機(jī)制
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