PKI 2008 R2 Backup

Hi all,

I'm validating a process to restore the PKI and all certificates generated. Currently I use a "certutil -backup" command but I've seen that it exists a "certutil -backupdb" command.

1. What is the difference between the 2 command lines.
2. The "certutil -backup" command generates a log file "EDB0xx.LOG" each time the process run. Can I delete all these log files (more than 2 thousand becasuse the backup process runs 4 time/day.

Thanks in advance