单选题Which configuration command prevents a client from establishing multiple PPPoE connections from a single workstation?()A sessionsB sa-validateC split-horizonD duplicate-protection

题目内容(请给出正确答案)
单选题
Which configuration command prevents a client from establishing multiple PPPoE connections from a single workstation?()
A

sessions

B

sa-validate

C

split-horizon

D

duplicate-protection

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