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單項(xiàng)選擇題

Which command would initiate a loopback on a Gigabit Ethernet interface ge-0/0/0?()

A.# set interfaces ge-0/0/0 unit 0 loopback
B.# set interfaces ge-0/0/0 gigether-options loopback
C.> set interfaces ge-0/0/0 loopback
D.> loopback ge-0/0/0

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