MCSA/MCSE Self-Paced Training Kit (Exam 70-270): Installing ...

6-42 Chapter 6 Installing, Managing, and Troubleshooting Hardware Devices and Drivers
driver signing A process in which device drivers that have passed a series of tests
by Microsoft are digitally signed, enabling the operating system to determine
whether the drivers are acceptable for use.
File Signature Verification utility (Sigverif.exe) A utility that is used to scan a
Windows XP system for unsigned files, providing a simple method to identify
unsigned drivers.
Plug and Play A technology that enables the computer to automatically determine
which hardware devices are installed on the computer and then to allocate system
resources to those devices as required to configure and manage the devices.
Roll Back Driver A feature in Windows XP that permits you to reinstall (roll back)
a previously installed driver. The uninstalled drivers are stored in the systemroot\system32\reinstallbackups
folder.