A calculated field has a(n) ________ after the field name

All tiers of a multi-tier application ________.

a) must be located on the same computer b) must be located on different computers c) can be located on the same computer or on different computers d) must be arranged so that the client and middle tier are on the same computer and the information tier is on a different computer

What happens to an open destination file if the source file is edited while both are open?

A. The source file receives an error. B. The destination asks if you would like to accept updates to the source file. C. The destination file updates D. Antivirus software blocks the changes.