Auserinyourcompanyhasalaptop，whichheusesboth，onandoffthenetwork.Youwanttochangetheusersprofiletoroamingbutwhenyouattempttochangethesetting，theRoamingprofileoptionisgrayedout.Howcanyouchangethelaptopusersprofiletoroaming？（）
A.InControlPanel，System，UserProfilesTab，changeprofiletoroaming.
B.Havehimlogbackintothenetwork.
C.ChangetheProfiletoaMandatoryUserProfile.
D.ChangetheprofiletoaMandatoryRoamingProfile.
参考答案：B
