多项选择题X 纠错
A.line down;line protocol down
B.line down;line protocol
C.line up;line protocol down
D.line up;line protocol up
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单项选择题
A.1根MTRJ-2SC/PC尾纤+2个SC型法兰盘+2根SC/PC尾纤
B.2根MTRJ-2SC/PC尾纤
C.2根MTRJ-2SC/PC尾纤+2个SC型单法兰盘
D.2根MTRJ-2SC/PC尾纤+1个SC型单法兰盘
单项选择题
A.PPPoA/ATM
B.IPoA/Ethernet
C.PPP/PPPoE/Ethernet/ATM
D.IP/RFC2684/Physical