Security personnel, whose post is located outside the entrance to an alcohol establishment, has the primary responsibility to control the number of patrons entering and to check their IDs. Does the bouncer need to be certified? a$.$ No$,$ because the security personnel's post is not located within the establishment. b$.$ Yes, because security personnel check IDs. c$.$ No$,$ because security personnel does not pour or serve alcohol. d$.$ Yes, because all employees of an alcohol establishment must be certified.