[问答题] 写出完成下列功能的DOS命令，其中DOS的所有外部命令在C：\DOS目录下。将C盘一级子目录Q2下的文件L1.COM以新文件名FF.EXE复制到B盘当前目录下。

职业适应的方法有哪些？ Which three best describe the customer benefits of the Cisco Lifecycle Services approach？（） ["improve the skill sets of its staff members","increase the value of and return on investment for its networks","increase network staff productivity","increase the amount of server room rack space","improve network availability， resiliency， security， and scalability","increase the amount of time required to integrate network change"] 分级授权制度 You install a new hardware router that provides wireless network connectivity between your computer and the Internet. You connect to the router by using a wireless network adapter. Your computer is able to access the Internet but is unable to discover other computers in the local wireless network.  You need to configure the wireless connection to allow your computer to discover other computers.  What should you do？（） ["Configure the network category of your wireless network connection to Private.","Configure the network category of your wireless network connection to Public.","Configure the TCP\/IP packet filtering on the wireless network connection.","Configure the wireless network connection with the appropriate authentication to the router."] 根据《建筑安装工程费用项目组成》（建标［2013］44号）的规定，在施工过程中，承包人完成发包人提出的施工图纸以外的零星项目所需的费用属于（） ["A.计日工 ","B.总承包服务费 ","C.暂列金额 ","D.措施费"] 写出完成下列功能的DOS命令，其中DOS的所有外部命令在C：\DOS目录下。将C盘一级子目录Q2下的文件L1.COM以新文件名FF.EXE复制到B盘当前目录下。