了解起重作业现场环境时,应了解哪些内容了解现场环境的内容包括
对E-RABDropRate的统计哪个计算方式是正确的()
A. Number of normally released E-RAB / Number of successfully established E-RAB x 100%
B. Number of abnormally setup E-RAB / Number of successfully established E-RAB x 100%
C. 以上都不对
D. Number of abnormally released E-RAB / Number of successfully established E-RAB x 100%
IPv6中哪一个协议的功能与IPv4中的ARP类似()
A. Duplicate Address Detection
B. 没有
C. Neighbour Discover
D. Neighbor Unreachability Detection
LTE网络性能指标分析,如何统计同频、eNodeB间基于X2接口切换出成功率()
A. 源站统计eNodeB发出的包含移动控制信息的RRC Reconfiguration/源站收到的来自目标站点的Handover Request Acknowledge次数
B. 源站统计eNodeB发出的Handover Request次数/源站收到的来自目标站点的Handover Request Acknowledge次数
C. Source Cell侧统计X2接口接收到的UE Context Release次数/Source Cell向UE发送的RRCConnectionReconfiguration including mobilityControlInfo次数
D. 源站统计eNodeB发出的包含移动控制信息的RRC Reconfiguration/源站收到的来自MME的Handover Command的次数