11.20作业

networking网络技术Spreadsheet电子表格Share共享neteork网络message信息graphics图形fax machine传真起modem调制解调器CD_ROM只读光盘data storage equipment数据存储器Wid Area Network广域网Local Area Network局域网Metropolitan Area Network城域网resource资源netork operating system网络操作系统node节点workstation工作站T_shape junctureT形头BNC joint BNC接头terminator终结器cable电缆file server文件服务器long on登录network interface card网卡interface界面