When is the content of the kernel ring buffer reset? (Choose two.)
A . When the ring buffer is explicitly reset using the command dmesg –clear
B . When the ring buffer is read using dmesg without any additional parameters
C . When a configurable amount of time, 15 minutes by default, has passed
D . When the kernel loads a previously unloaded kernel module
E . When the system is shut down or rebooted
Answer: AE