单项选择题 WhichofthefollowingbackupmediawouldbeMOSTappropriateforrouterconfigurationfiles？（）

单项选择题 A technician（技术） has a current baseline（基准线） and is told to install additional（添加） memory and a faster NIC card.  At which point in time should the next baseline be run？（）

单项选择题 WhichofthefollowingservertypesallowsresolutionofdomainnamestoIPaddresses？（）