Zigbee device types

i have this question in my university exams and i would like to have an answer.The question is:

Identify three ZigBee device types.What is t开发者_运维知识库he maximum number of devices from the three devices that can exist in a network as supported zigbee addresses of 16 bits? Also,identify three application profiles.

(Hope my translation is understandable!!)

Thanks

Device types: Coordinator, Router and End Device

Theoretical limit is ~65530 (not maximum of 65536, because last few numbers are broadcasts). Practical limit is about few hundreds.

Application profiles: Smart Energy, Home Automation, Health Care, etc.