[问答题] 简述网络化管理的含义。

为什么多个同期控制开关只允许有唯一的一个共用的控制把手？ What will happen if a private IP address is assigned to a public interface connected to an ISP?（） [" Addresses in a private range will be not routed on the Internet backbone."," Only the ISP router will have the capability to access the public network."," The NAT process will be used to translate this address in a valid IP address."," Several automated methods will be necessary on the private network."," A conflict of IP addresses happens, because other public routers can use the same range."] 过正原则 食品生产和经营企业，在向工商行政管理部门申请登记前，必须（） ["取得卫生行政部门发放的卫生许可证","取得卫生行政部门发放的生产经营许可证","取得卫生监督所的卫生许可证","取得药品监督管理部门发放的卫生许可证","取得卫生监督所发放的生产经营许可证"] 生化活性物质浓缩可采用的方法有（）、（）、超滤浓缩、（）、用葡聚糖凝胶浓缩、用聚乙二醇浓缩。 简述网络化管理的含义。