E-R图如何转换为关系数据模型？
按沟通者有无地位转移将沟通分为（） 上行沟通。 下行沟通。 平行沟通。 单向沟通。 双向沟通。
默认情况下，在 Microsoft Windows XP 系统上，IIS 通过匿名用户请求资源的时候，ASP.NET 使用什么安全上下文？（） Guest 账号。 Network Service 账号。 请求 Web 页的账号。 ASP.NET 账号。
Your company has a main office and a branch office. The branch office has three serves that run a server core installation of windows server 2008. The servers are named server1, server2, server3. You want to configure the event logs subscription on server1 to collect events from server2 and server3. You discover that you cannot create a subscription on server1 another computer. You need to configure a subscription on server1. Which two actions should you perform? （） Run the wecutil cs subscription.xml command on server1.。 Run the wevutil im subscription.xml command on server1.。 Create an event collector subscription configuration file. Name the file subscription.xml.。 Create a custom view on server1 by using event view. Export the custom view to a file named subscription.xml.。
决策思维的原则有（） 只有一个方案时不能决策。 善于妥协。 迂回前进。 知识广博。
下列不属于现代气压沉箱工法的优点的是（）。
