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單項(xiàng)選擇題

Which CLI command is used to examine whether an L2TP tunnel can be established for domain isp1.com?()

A.l2tp tunnel test anyone@isp1.com
B.test l2tp session anyone@isp1.com
C.test l2tp tunnel anyone@isp1.com
D.tunnel l2tp test anyone@isp1.com

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