Some important Netbackup terminology that you should know but are buried deep in the PDF docs. You need to settle on the method of backup before committing to buy the licenses.
Playing with Netbackup I
I was passed a job to get Netbackup 6.5 to do a SAN-based backup. There are three ways to perform a backup of server/s data from a dedicated server, LAN, backup LAN and lastly SAN.