以下技术中属于承载技术的是（）。 ["TCP\/IP","PPP","ADSL","SDH"]
档内每条导线接头数目鉴定优良的标准：交叉跨越档允许一个，一般档距不超过二个，接续良好。
The advantage of the control equipment is（） ["that the transmitter is on the bridge","that local manual control can be achieved","that remote control can be achieved","simple in construction and reliable in operatio"]
外币协议储蓄营销的目标客户群为（） ["高风险偏好外币持有者","低风险偏好外币持有者","拥有少量外币的工薪阶层","拥有大量闲置外币的大中型企业客户"]
跨越杆设于直线跨越地段，导线应采用双绑扎。
没有综合（）的安全策略是不完整的安全策略。
