Which of the following Microsoft technologies allows for file replication between servers？（）

A.The source of cooling to a RAID system
B.The cooling system in a redundant power supply
C.A cooling system that can be installed in case of failure
D.A second cooling system in case of a failure

A. Reboot the printer server.
B. Reinstall the drivers for the printers.
C. Restart the print spooler service.
D. Reboot the printers.

A.DB-15
B.DB-9
C.DB-25
D.RJ-45
E.DVI