多选题Which of the following should be backed up before a Samba version upgrade？（）ALibrariesBTDB filesCConfiguration filesDBinariesEwinbindd_privileged directory
题目
多选题
Which of the following should be backed up before a Samba version upgrade？（）
A
Libraries
B
TDB files
C
Configuration files
D
Binaries
E
winbindd_privileged directory