Which of the following statements is true regarding multi-channel, single-phase queues?

The assertion that all of the answers are correct highlights the unique characteristics of multi-channel, single-phase queues. In this context, multi-channel refers to multiple service channels available to customers, while single-phase indicates that customers receive service in one phase without any additional steps or stages.

In such queues, the premise that there are no interactions among service channels is accurate; each channel operates independently, meaning that the efficiency of one service channel does not impact the others. This independence allows for parallel processing of customers, which can enhance the overall service efficiency.

Additionally, the statement about these queues being limited to one type of service reinforces the concept that while multiple channels are available, the nature of the service remains uniform. This uniformity simplifies the management of customer expectations and service delivery.

Lastly, the preference for a regular queue, regardless of service options, suggests that customers may favor a standard queue format over the complexity of choosing among multiple channels, which can be disorienting.

Thus, combining these insights confirms that the statement claiming all of the provided answers are correct accurately summarizes the nature of multi-channel, single-phase queues.