What is a benefit of using vendor-specific API during a Dell EMC NetWorker Module backup?

Which tool is available to help determine and track source capacity usage in an EMC NetWorker environment?

Using the EMC NetWorker directive listed below, what happens to all files under /export/home?
<< / >> +compressasm: .
<< /export/home >> forget ignore

An administrator added several new LDAP user accounts for backup configuration and monitoring tasks. The LDAP users have been authenticated in NetWorker Management Console (NMC).
What must be done so that these tasks can be performed on the Dell EMC NetWorker server?

What is integrated with NMDA to provide snapshot-based protection for DB2?