A non-General Public License (GPL) driver was loaded on a Linux machine. To verify that the module has tainted the kernel, you executed the cat /proc/sys/kernel/tainted command and received the following output:
[root@edtdr6p1 root]# cat /proc/sys/kernel/tainted
1
What do you infer from the output? (Choose all that apply.)
A.
A proprietary module has been loaded.
B.
A module is marked unsupported by the vendor.
C.
All the loaded modules have General Public License (GPL).
D.
A module was force-loaded by using the insmod -f command.