Final answer:
VM queues are used to store the state of an application and offer persistence, ordering, and concurrency. They ensure the integrity of the application's state even in case of crashes or restarts.
Step-by-step explanation:
VM queues, also known as Virtual Machine queues, are used to store the state of an application. These queues enable communication between different components of the application running on multiple virtual machines.
Characteristics of VM queues include: