Which two statements about stacking Cisco switches are true?

Which two statements about stacking Cisco switches are true? (Choose two )
A. Each switch manages its own MAC address table.
B. It enables the administrator to manage multiple switches from a single management interface.
C. When a new master switch is elected, it queries the previous master for its running configuration
D. The administrator can create only one stack of switches in a network which is under the same administrative domain
E. The administrator can add additional switches to the stack as demand increases