According to Chris, this type of backup boasts the fastest data recovery time:
Were you correct? The correct answer is
Full backup is the starting point for all other backups, and contains all the data in the folders and files that are defined to be backed up. Because the full backup stores all files and folders, frequent full backups result in faster and simpler restore operations. Remember that when you choose other backup types, restore jobs are prolonged.
This was first published in January 2004