Four of the Most Widely Used Waiting Line Models-M/M/1 or A

question 122

Multiple Choice

Four of the most widely used waiting line models-M/M/1 or A, M/M/S or B, M/D/1 or C, and Limited population or D-all share three characteristics, which are

• A) normal arrivals, FIFO discipline, and normal service times.
• B) Poisson arrivals, FIFO discipline, and a single-service phase.
• C) Poisson arrivals, FIFO discipline, and exponential service times.
• D) Poisson arrivals, no queue discipline, and exponential service times.
• E) Poisson arrivals, long queue discipline, and multiple service times.

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Definitions:

Oviparous

Bearing young in the egg stage of development; egg laying.

Caudata

An order of amphibians that includes salamanders, known for their tail throughout life and regeneration abilities.

Tetrapods

Four-limbed vertebrates: the amphibians, reptiles, birds, and mammals.

Actinopterygii

Actinopterygii, commonly known as ray-finned fishes, constitute a class of bony fishes characterized by the radiating structure of their fins, which are supported by bony spines.