Alan是一个网络管理员。他先前下载了更新的安装文件并把它放在了TestKing1这台服务器上的名为Updates的共享文件夹。Alan已经成功地安装了更新。你想自动的更新Katrin的电脑，你要使用什么命令呢？（） ["Winnt32.exe\/dushare：\\\\testking1\\updates","Winnt32.exe\/copydir：\\\\testking1\\updates","Winnt32.exe\/duprepare：\\\\testking1\\update","Winnt32.exe\/copysource：\\\\testking\\update"]
Your company runs Windows Server Update Services (WSUS) on a server named Server1. Server1runs Windows Server 2008 R2. Server1 is located on the company intranet. You configure the WSUS Web site to use SSL. You need to configure a Group Policy object (GPO) to specify the intranet update locations. Which URLs should you use?（） [" http: \/\/SERVER1"," http: \/\/SERVER1:8080"," https: \/\/SERVER1"," https: \/\/SERVER1:8080"]
Your company has a single Active Directory domain. All domain controllers run Windows Server 2003. You install Windows Server 2008 R2 on a server. You need to add the new server as a domain controller in your domain. What should you do first（） ["On the new server， run dcpromo \/adv.","On the new server， run dcpromo \/createdcaccount.","On a domain controller run adprep \/rodcprep.","On a domain controller， run adprep \/forestprep."]
核酶的发现具有什么样的生物学意义？
下列关于背景层的描述哪个是正确的？（） ["在图层面板上背景层是不能上下移动的，只能是最下面一层","背景层可以设置图层蒙版","背景层不可以执行滤镜效果","背景层不能转换为其他类型的图层"]
简述消除风险和不可知因素的方法。
