You have a server that runs windows server 2008. You need to configure the server as a VPN server. What should you install on the server?（） ["Windows deployment services role and deployment server role service.","Windows deployment services role and deployment transport role service.","Network policy and access services role and routing and remote access services role service.","Network policy and access services and host credential authorization protocol role service."]
某涵洞顶上面直接铺筑水泥混凝土路面，按洞顶填土情况划分，该涵洞为（）。 ["明涵","暗涵","无压涵","压力涵"]
医疗器械的产品名称应当使用（），通用名称应当符合国家食品药品监督管理总局制定的医疗器械命名规则。第二类、第三类医疗器械的产品名称应当与（）的产品名称一致。
工艺过程设计的程序。
简述用户调查法的优缺点。
工艺专业化的优缺点？
