简述易错PCR技术与常规PCR技术的异同点。
You have a Web server named Server1 that runs Windows Server 2003 Web Edition Service Pack 2 (SP2). Server1 contains a Web site named Intranet. You notice that you can open the Intranet Web site as a Web folder. You need prevent all users from opening the Intranet Web site as a Web folder. What should you do? （） [" Disable the Index this resource option."," Disable the Directory browsing option."," Disable the Enable HTTP Keep-Alives option."," Disable the Enable default content page option."]
理学
交叉损伤形成先后顺序的判定
Your network includes Windows Server 2008 R2 Hyper-V servers. Each Hyper-V server runs multiple virtual machines （VMs）. You need to detect performance issues and generate an alert when Hyper-V server load exceeds specific thresholds. Which tool should you use？（） ["Microsoft System Center Capacity Planner 2007","Microsoft System Center Operations Manager 2007 R2","Microsoft System Center Configuration Manager 2007 R2","Microsoft System Center Virtual Machine Manager 2008 R2"]
CO2气体保护焊有哪些优点？
