Your company has a main office and a branch office. The offices connect by using WAN links. The network consists of a single Active Directory domain. An Active Directory site exists for each office. Servers in both offices run Windows Server 2008 R2 Enterprise. You plan to deploy a failover cluster solution to service users in both offices. You need to plan a failover cluster to meet the following requirements： èMaintain the availability of services if a single server fails èMinimize the number of servers required What should you include in your plan？（） ["Deploy a failover cluster that contains one node in each office.","Deploy a failover cluster that contains two nodes in each office.","In the main office， deploy a failover cluster that contains one node. In the branch office， deploy a failover cluster that contains one node.","In the main office， deploy a failover cluster that contains two nodes. In the branch office， deploy a failover cluster that contains two nodes."]
（）紧急停车信号，起重机司机都应立即执行。 ["只要是作业指挥人员发出","只要是直接作业人员发出","不论何人发出","只要是领导发出"]
重婚
动物细胞培养过程中要注意哪些工艺条件。
时代风格
造成触电事故的原因主要有哪些？
