（）是比较选择追加筹资方案的依据。 个别资本成本率。 综合资本成本率。 边际资本成本率。 加权资本成本率。
1956年，党和政府提出了“百花齐放，百家争鸣”和“长期共存、互相监督”的方针。它们的相同点是（）。 推动了国民经济调整任务的顺利完成。 直接促进我国科技与文艺领域的繁荣。 使政治协商制度发展到一个崭新阶段。 调动一切积极因素进行社会主义建设。
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.。
网上直接调查，根据调查方法的不同，有若干分类。其中，最常用的是（） 网上问卷调查法。 网上实验法。 网上观察法。 视频会议法。
交代作用
A Cisco UCS fabric interconnect in end-host mode learns MAC addresses on which port types？（）
