A Waiting Line, or Queuing, System Has Three Parts, Which

Multiple Choice

A waiting line, or queuing, system has three parts, which are:

A) distribution of arrival times, discipline while waiting, and distribution of service times.
B) arrival rate, service rate, and utilization rate.
C) arrival discipline, queue discipline, and service sequencing.
D) arrivals or inputs, queue discipline or the waiting line itself, and the service facility.
E) sequencing policy, penalty for reneging, and expediting of arrivals.