LANDesk Management Suite install guide recommends setting the SQL recovery mode to simple for the DB so there shouldn't be any transaction logs with this.
Almost all the config is stored in the DB these days so that is the main item you need to backup / restore for recovery of your LDMS environment. The core certificates are the other curcial item and this is found in the file system.
You can also run the coredatamigration utility to backup the file based config items including these certificates.
Info on how to use this can be found here How to use the CoreDataMigration.exe tool to migrate core settings