IEEE 802.3u规定的快速以太网物理层规范100BASE-FX采用()传输介质 发布时间:2018-01-10 22:33 │ 来源:www.tikuol.com 题型:单项选择题 问题: IEEE 802.3u规定的快速以太网物理层规范100BASE-FX采用()传输介质。A.5类UTPB.STPC.光纤D.红外
题型:单项选择题 —How often does he go to the Swimming Club? —________. A. Two hours B. Twice C. Two a day D. Twice a week 查看答案