David Webb-200187 (5/30/2012)
For #2, it depends. The answer you gave will verify that your backup matches your database
Doesn't even do that (unless the backup was taken with a specific option). It just verifies the backup header and a few other bits of the backup file.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability