Which of the following is used to recover the operating system in Windows Server 2003?

A.
Emergency Repair Disk (ERD).

B.
Automated System Recovery (ASR).

C.
Windows backup utility.

D.
Either of the above.

Explanation:
The Automated System Recovery (ASR) feature of Windows Server 2003 is used to recover an operating system after a failure. In Windows Server 2003, the ASR feature replaces the use of an ERD.
Incorrect
Answers:
A: The Emergency Repair Disk (ERD) feature is included in the Windows Backup utility. You would use the ERD to restore a server’s configuration that refuses to boot or to restore a server that has failed. The ERD is no longer used in Windows Server 2003.
C: The Windows backup utility is used to back up files and system state data. The correct answer is the Automated System Recovery feature.
D: Automated System Recovery is the correct answer.
References:
Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 441.