A Concert Hall, Employing Both Ticket Takers and Ushers to Seat

Multiple Choice

A concert hall, employing both ticket takers and ushers to seat patrons, behaves typically as a

A) multichannel, single phase system.
B) multichannel, multiphase system.
C) single channel, single phase system.
D) single channel, multiphase system.
E) multichannel, cross-phase system.