B

Background services: WMI (17-19)

Battery: WMI (17-19) Win32_AssociatedBattery, Win32_Battery, Win32_PortableBattery

BIOS: WMI (17-19) Win32_BIOS, Win32_SystemBIOS

Boolean operators: AND, OR, NOT, XOR

Boot configuration: WMI (17-19) Win32_BootConfiguration, Win32_SystemBootConfiguration