Need help on Learning Symantec Netbackup

Hi all,

I am new to this forum, i am very much interested in learning Symantec Netbackup 7.5 version, as previously i was working as a backup admin rookie in an company hence I need to learn netbackup deeply. i wanted to start from basic and i want to move deeply. Need some help from the Netbackup Guru's, kindly suggest me some best and easy understanding ebooks, web links and very important is that i need to know wheather there is any Netbackup simulator software to learn.

Thanks in advance