Which two statements about stacking Cisco switches are true? (Choose two)

[answerhappygod]

Which two statements about stacking Cisco switches are true? (Choose two)

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