众多案例表明，价值管理介入项目建设周期越晚，对整个项目所带来的效益就越显著。
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？ （） 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.。
《铁路旅客列车消防安全管理规定》吸烟处应有明显标志并配备（），地板和壁板应保持完好，无孔洞和缝隙。 打火机。 火柴。 痰盂。 烟灰盒。
高层钢筋结构施工时，钢材选择应遵循什么原则？
目前使用的车载星形网络按传输媒介可分为（） 由普通导线传输数据。 由光纤传输数据。 由同轴电缆传数据。 由玻璃纤维传输数据。
站、段的运输收入进款必须在收款次日（）前送存银行。
