What is an EMC NetWorker host ID called in a clustered EMC NetWorker server?

A new NetWorker installation is being integrated with Active Directory for user authentication.
Which command is used to create the relationship between NetWorker Authentication and Active Directory?

An EMC NetWorker administrator wants to create a new custom notification. The notification needs to send an e-mail with a critical severity when a backup failure of a savegroup occurs.
Which attribute causes the notification to be sent when the backup fails?

A backup administrator started the backup of a group containing five clients using the savegrp command from a command prompt on the NetWorker server.
Where will the tracking information for all save sets backed up in the group be stored?

Which EMC NetWorker feature provides the ability to back up an individual tablespace of a database?