1. Describe what happens in a nonauthoritative restore.
In a nonauthoritative restore, the distributed services on a domain controller are restored from backup media and the restored data is then updated through normal replication. Each restored directory partition is updated with that of its replication partners.
2. Describe what happens in an authoritative restore.
An authoritative restore brings a domain or a container back to the state it was in at the time of backup and overwrites all changes made since the backup.
3. Which method of restore should you use if you accidentally delete an OU?
Authoritative.
4. Which method of restore should you use if a domain controller has completely
failed due to hardware or software problems?
Nonauthoritative.
5. Which of the following Ntdsutil command parameters should you use if you want
to restore the entire directory?
a. Restore database
b. Restore subtree
c. Database restore
d. Subtree restore
The correct answer is a. Database restore and subtree restore are not Ntdsutil command parameters. Restore subtree is used to restore a portion or a subtree of the directory.
