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全部科目 > 通信电子计算机技能考试 > 烽火接入专业知识

多项选择题

Which of the following are features are characteristics of an OSPF ABR()。

A.maintains one link-state database for all areas
B.routes traffic to and from other areas
C.maintains a separate link-state database for each area
D.originates type 3 link-state advertisements which can be summarized
E.has at least one physical interface in area 0

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