单项选择题
A. Too many nfsd’s running
B. Client and server with different buffer sizes
C. Bridges， routers or gateways are receiving too many fragmentated packets
D. Too few nfsd’s running
单项选择题 Asystemhasusersdoinginteractiveworkwhilebackgroundjobsarerunning.Interactiveusersarerequestingthatsystemresponsetimebeimprovedforforegroundprocesses.Whichtuningparametersshouldbechangedtoaccomplishthis？（）
单项选择题 Whichofthefollowingtoolsisusedtoreportthelocationoflogicalpartitionsofafilesystemonaphysicalvolume？（）
单项选择题 WhichofthefollowingcommandswillresetNFSoptionstotheirdefaults？（）