证人在刑事案件侦查期间的义务有（） ["如实提供证据、证言","核对询问笔录","书写证词","随传随到"]
在系统转换中，中间没有过渡阶段，用新系统立即替换旧的系统，这种转换方式称为（） ["直接转换","并行转换","试运行转换","分阶段转换"]
你正在建立一个 Web 站点。这个 Web 站点使用已经预先定义好的角色和用户进行安全管理。现在，你需要重新配置一下这些角色和用户，你应该怎么做？（） [" the Microsoft .NET Framework Configuration tool"," the Code Access Security Policy tool"," the ASP.NET IIS Registration tool"," the Web Site Administration Tool（ASP.NET 站点配置工具）"]
韵腹
Your network contains an Active Directory forest. The forest contains two domains named contoso.com and eu.contoso.com.You install a Network Policy Server (NPS) named Server1 in the contoso.com domain.You need to ensure that Server1 can read the dial-in properties of the user accounts in the eu.contoso.com domain.What should you do？（） [" In the contoso.com domain, add Server1 to the RAS and IAS Servers group."," In the contoso.com domain, add Server1 to the Windows Authorization Access group."," In the eu.contoso.com domain, add Server1 to the RAS and IAS Servers group."," In the eu.contoso.com domain, add Server1 to the Windows Authorization Access group."]
生产钨的主要原料是什么？钨的生产过程有哪些？
