C.对话层                                                                  D.应用层

14.物理层数据传输规约中______规定了数据采集方式。

A.机械特性                                                             B.电气特性

C.功能特性                                                              D.电信号功能

15.OSI七层协议中，传输层传送数据的单位为

A.帧                                                                          B.比特

C.分组                                                                      D.信息

16.下列不属于AM/FM/GIS系统离线方面的应用系统的是

A.设备管理系统                                                     B.用电管理系统

C.规划设计系统                                                     D.用户管理系统

17.下列不属于馈线自动化功能的是

A.馈线电压调整                                                     B.馈线无功调整

C.馈线有功调整                                                     D.馈线运行数据检测

18.配电自动化中馈电线自动化的功能之一是

A.有功控制                                                             B.无功控制

C.频率控制                                                              D.负荷控制

19.EMS控制的是

A.发电设备                                                             B.配电系统

C.负荷设备                                                          &nbs