According to many experts, how often should files be backed up?
once a month
once a year
once a week
daily

If I am an expert (which I'm not) I would say once a month.

Explanation:

Well... I backup my computer once a year but that's cause I am lazy. I would recommend that people backup there computers once a month. It also seems to be reasonable.

what are you asking?

the correct answer is: a.)it is never appropriate to use acronyms and emoticons in business communication.