Which of the following statements is true regarding the following output of xl list:
Name ID Mem VCPUs State Time(s)
Domain-0 0 384 1 r----- 498.7
Debian 2 305 1 --p--- 783.5
Slack 6 64 1 -b---- 313.6
CentOS 7 512 2 r----- 455.1
A configuration file for a Xen virtual machine was created with file name slack.cfg within Xen's configuration directory. Which of the following commands starts the virtual machine defined in this configuration file and opens the virtual machine's console on the current command line?