Which type of backup must be performed first with an incremental backup?()
A、 Level 1
B、 Level 0
C、 Level 2
D、 Level 3
A、 Level 1
B、 Level 0
C、 Level 2
D、 Level 3
A、Designated port B、Nonswitch port C、Switch port D、Nonroot port E、Nondesignated port F、Root port
A、A.9 pin D-type B、B.36 pin Centronics C、C.25 pin Centronics D、D.13 pin D-type E、E.25 pin D-type
A、 BACKUP AS COMPRESSED BACKUPSET DATABASE B、 BACKUP AS COMPRESSED COPY OF DATABASE C、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET D、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS E、 BACKUP DATABASE COMPRESS