What type of addresses do nodes have in a mesh network?

Amateur radio mesh networks, such as those built using AREDN (Amateur Radio Emergency Data Network) software, are built upon standard commercial Wi-Fi and Ethernet networking technologies. Because they act essentially like a wide-area computer network over RF, they rely on standard Internet Protocol (IP) addresses to uniquely identify and route traffic to each node. Other options presented are incorrect because they belong to different technologies. 'Talk groups' are used in digital voice systems like DMR, 'Email' is an application-level address rather than a network-level node address, and a 'Trust server' is a concept used in authentication, not a node addressing scheme.