单项选择题
Given the set of routers, each with an interface on the same multi-access network:
Which router can never be a designated router on that multi-access network?（）
A.RouterA
B.RouterB
C.RouterC
D.RouterD
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相关考题
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单项选择题
You are running OSPF between two ERX Edge Routers across an OC-12c link with HDLC encapsulation. How many designated routers are present for this link?（）
A.0
B.1
C.2
D.3 -
单项选择题
What is the default authentication method on an OSPF interface?（）
A.A
B.B
C.C
D.D -
多项选择题
What are the three OSPF authentication methods supported on the ERX Edge Router?（）
A.A
B.B
C.C
D.D
E.E
