Customers must register before being allowed to order wine over the Internet so that legal age can be established. You know that the module to verify registration must be written and tested using data from Grapevine's existing database. This new module cannot be tested until the data from the existing system is loaded. You are going to hire a vendor to perform the programming and testing tasks for this module to help speed up the project schedule. Since they'll have access to your customer list and potentially other trade secrets, you'll asked them to sign a nondisclosure agreement. This is an example of which of the following?
