什么叫时间复杂度？什么叫空间复杂度？
Certkiller.COM有一个主要的办公室和30个分支机构。管理网络，每个分公司有一个单独的Active Directory站点中，有一个专用的只读域控制器（RODC）。分支机构位于一个遥远的位置报道了抢劫。劫匪已被盗RODC的服务器。应该怎么做哪个工具恢复失窃RODC的服务器上缓存的用户帐户（） ["执行Dsmod.exe","使用Active Directory用户和计算机","使用Active Directory站点和计算机","执行Ntdstuil.exe与迹参数"]
采用二级以上公路运输时，装载高度不应超过（）。 ["A.4.0m ","B.4.5m ","C.5.0m ","D.5.5m"]
目标的先进性体现在目标的（） ["创造性和可能性","操作性和明确性","适用性和挑战性","ABC都不是"]
Your company has 10 servers that run Windows Server 2008. The servers have Remote Desktop Protocol （RDP） enabled for server administration. RDP is configured to use default security settings. All administrators’ computers run Windows Vista. You need to ensure the RDP connections are as secure as possible.Which two actions should you perform？ （） ["Set the security layer for each server to the RDP Security Layer.","Configure the firewall on each server to block port 3389.","Acquire user certificates from the internal certification authority.","Configure each server to allow connections only to Remote Desktop client computers that use Network Level Authentication."]
轴流转桨式机组主轴法兰分解前有哪些准备工作？
