Which of these services is not necessary to use Windows Deployment Service (WDS)?

Nancy uses macros in her daily work as an account executive at a travel company. She often needs to create workbooks with macros for her co-workers and is always trying to make them as efficient as possible. If Nancy wants to be sure that her macros will not be altered, she should add a digital ____.

What will be an ideal response?

Today's appliances are equipped with ___________________ computers.

Fill in the blank(s) with the appropriate word(s).