保险责任开始的时间应由（）在保险合同中约定。 ["保险人","被保险人","受益人","保险人和投保人"]
下列哪个选项不属于物联网体系架构中的层次（）。 ["应用层","物理层","感知层","网络层"]
Your network consists of a single Active Directory site that includes two network segments. Thenetwork segments connect by using a router that is RFC 1542 compliant. You plan to use Windows Deployment Services （WDS） to deploy Windows Server 2008 R2 servers. All new servers support Pre-Boot Execution Environment （PXE）. You need to design a deployment strategy to meet the following requirements： èSupport Windows Server？2008 R2 èDeploy the servers by using WDS in both network segments èMinimize the number of servers used to support WDS What should you include in your design？（） ["Deploy one server. Install WDS and DHCP on the server. Configure the IP Helper tables on therouterbetween the network segments.","Deploy two servers. Install WDS and DHCP on both servers. Place one server on each of the network segments. Configure both servers to support DHCP option 60.","Deploy two servers. Install WDS and DHCP on both servers. Place one server on each of the network segments. Configure both servers to support DHCP option 252.","Deploy two servers. Install WDS and DHCP on one server. Install DHCP on the other server. Place one server on each of the network segments. Configure both servers to support DHCP option60."]
简述劳动法与民法的区别。
逻辑覆盖测试包括的常用覆盖方法有：语句覆盖，判定覆盖，条件覆盖，判定-条件覆盖、条件组合覆盖、路径覆盖。
时间取样
