项目管理手册一般由四层文件构成，包括指导性文件、（）、操作指南和操作模板。 ["项目管理文件","操作指导文件","企业标准文件","过程控制文件"]
在利用直方图对质量数据进行分析时，出现双峰型直方图的原因是（）。 ["A.分组太细 ","B.人为剔除了不合格品 ","C.分组太粗 ","D.数据来自不同的工序条件"]
A network administrator wants to ensure that only the server can connect to port Fa0/1 on a Catalyst switch. The server is plugged into the switch Fa0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of the server is allowed by switch port Fa0/1 (Choose two.)（）。 ["Configure port Fa0\/1 to accept connections only from the static IP address of the server.","Employ a proprietary connector type on Fa0\/1 that is incompatible with other host connectors.","Configure the MAC address of the server as a static entry associated with port Fa0\/1.","Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.","Configure port security on Fa0\/1 to reject traffic with a source MAC address other than that of the server.","Configure an access list on the switch to deny server traffic from entering any port other than Fa0\/1."]
不属于建筑业信息化发展的指导思想的是（） ["深入贯彻落实科学发展观","坚持自主创新、重点跨越、支撑发展、引领未来的方针","高度重视信息化对建筑业发展的推动作用","不断提管理水平，以促进建筑业技术进步"]
为了避免汽车在减速或下长坡时频繁使用行车制动造成的制动鼓（盘）磨损、发热，汽车可以安装（）来辅助制动。 ["发动机（排气）制动器","ABS","轮胎压力监控系统","防侧翻稳定控制系统"]
上停，变料时（）后，开始人工测料。
