Question: Filename exclusion...must have a path?

So if I want to exclude a file...example.txt...from all scans then I have to have a full path? Can I just put in the file name and it will be excluded?

Also...I see lots of documentation about automatically excluding known products...like Exchange...but is there an actually list somewhere that show exactly what SEP will exclude? Just putting, "Yes it is Exchange aware and excludes the appropriate files", means I have to put faith in Symantec to do this...without knowing if it is actually done or what it is doing.