1. Multiple Choice Questions (10 points) Each question has only one correct answer. Each question is 2 points. i. In a simulation of a single server system, the simulation clock is updated a. at fixed increment time, time cannot be fractional (i.c., simulation clock can be updated at 5 minutes, but not at 5.81 minute) b. at fixed increment time, time can take fractional value c. at next event time, time cannot be fractional d. at next event time, time can take fractional value ii. In a simulation of a single server system, departure time of an entity is known/updated - a. after the entity leaves the queue and enters the service b. after the entity arrives and joins the queue c. after the entity leaves the server and departs d. after the previous entity departs the system iii. In a simulation of a single server system, arrival time of an entity is known/updated - a. after the previous entity leaves the queue and enters the service b. after the previous entity arrives and joins the queue c. after the previous entity leaves the server and departs d. As soon as the entity arrives in the system iv. In a simulation of a single server system, the statistical accumulator "the sum of the queue times that have been observed so far" is updated a. after an entity leaves the queue and enters the service b. after an entity arrives and joins the queue c. after an entity leaves the server and departs d. None of the above v. In a simulation of a single server system, the statistical accumulator "the sum of the total times in system that have been observed so far" is updated - a. after an entity leaves the queue and enters the service b. after an entity arrives and joins the queue c. after an entity leaves the server and departs d. None of the above