What statement is true about udev?
A.
it uses predefined kerneldevices in/devfor all combinations of that may be connected to a system to support dynamic device name assignment
B.
it dynamically creates kernel devices for only those devices that are connected.
C.
it produces persistent device names for all devices.
D.
its configuration is based on device properties and attributes maintained indevfs.
Explanation:
Reference:http://www.linuxfromscratch.ora/lfs/view/development/chapter07/udev-html
not 100%
B
B
Excerpted from the udev man page:
o udev provides a dynamic device directory containing only the files for
actually present devices.
o If udev receives a device event, it matches its configured rules
against the available device attributes provided in sysfs to identify
the device.