一个完整的CRM应用系统包括业务操作管理、客户合作管理、数据分析管理和()四个系统。
A. 工作环境布置
B. 客户服务平台
C. 硬件技术支持
D. 信息技术管理
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在以经济效益为中心、安全文明生产为基础的经营承包过程中主要的考核指标是()指标。
A. 安全管理
B. 经济效益
C. 节能降耗
防静电接地线应与设备、机组、储罐等固定接地端子或螺栓连接,连接螺栓不应小于()。
A. M4
B. M6
C. M8
D. M10
Which two differentiators make RSTP the preferred protocol for preventing Layer 2 loops in a switchednetwork environment?() (Choose two.)
A. Features such as UplinkFast and BackboneFast are compatible with RST
B. An RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.
Cisco proprietary enhancements are not transparent.
D. Information about port roles is sent to all switches.
E. RSTPs that are based on Cisco products require no additional configuration.