单项选择题

Which sequence of events describes the order used to restore normal router operation after experiencing a corrupted flash?（）

A.A
B.B
C.C
D.D

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单项选择题

Your ERX Edge Router is constantly going to a boot## prompt.
What is the most likely cause for this condition?（）

A.A
B.B
C.C
D.D

多项选择题

Which two services protect the ERX Edge Router from unauthorized CLI logins?（）

A.A
B.B
C.C
D.D
E.E

单项选择题

Which CLI command displays the VRFs that are operational within each virtual router?（）

A.A
B.B
C.C
D.D