You have a Windows Embedded Standard device. The device uses the Device Update Agent (DUA) service. You plan to write a DUA script that updates a system file named filel .sys. The filel .sys file is loaded when the operating system starts. The current system file is located in the c:\windows\system32folder. The new version of the file is located in the devices
c:\duafolder. You need to update filel .sys by using DUA. Which code segment should you use?

A.
COPYFILE,,,c:\dua\file1.dllnc:\windows\system32\file1.dllREBOOT,,DAREBOOT OPT_REBOOT

B.
DELETEFILE,,,c:\windows\system32\file1.dllMOVEFILE,,,c:\dua\file1.dl lllc:\windows\system32 \file1.dllREBOOT,,DAREBOOTOPT_REBOOT

C.
MOVEFILE,,,c:\windows\system32\file1.dll,,c:\windows\syste^ \file1.dllDELETEFILE,,,c:\windows\system32\file1_old.dll

D.
MOVEFILE,,,c:\windows\system32\file1.dll,,c:\windows\syste^ \file1.dllREBOOTllDAREBOOTOPT_REBOOTDELETEFILE,,,c:\windows\syste m32\file1_old.dll