You are working as an enterprise administrator at Domain.com. The Domain.com network consists of a single Active Directory forest that contains a single domain named Domain.com. All servers on the Domain.com network run Windows Server 2008.
Domain.com contains a domain controller named CERTKILLER-DC02 that is also a backup server. It has a 500 GB hard disk that contains three partitions. A new Domain.com policy required that the domain controller should be backed up every day. However, due to hard disk failure, you replaced the hard disk with the same partitions and capacity. After installing the media, you choose the repair your computer option. You need to restore the operating system and all the other files.
What should you do?

A.
The best option is to do the startup repair.

B.
The best option is to run the System Restore.

C.
The best option is to do the Disk defragment.

D.
The best option is to run the webadmin utility.