These cards are issued by a state or country in which medical cannabis is recognized. Typically a patient is required to pay a fee to the state in order to obtain a medical marijuana card. In most states with medical marijuana card programs, the card is valid for up to 12 months and may be renewed.
Alternatively referred to as a ring network, ring topology is a computer network configuration where the devices are connected to each other in a circular shape. Each packet is sent around the ring until it reaches its final destination.
4. Ring Topology. Ring Topology: A local-area network (LAN) whose topology is a ring. That is, all of the nodes are connected in a closed loop. Messages travel around the ring, with each node reading those messages addressed to it.