A server with 16GB of RAM is only showing 8GB available after boot, but before running any virtual machines. What method will best find the issue? 

Answer options:

A. Look in /var/log/xen/xend.log for hardware-related messages.
B. Use xm dmesg to see messages logged during the booting of the Xen hypervisor.
C. Use dmesg to see messages logged during the booting of dom0.
D. Look in /var/log/xen/xend-debug.log for hardware-related messages.

B