All of given terms are Categories of Wireless networks.
Explanation:
Wireless networks as obvious from name are the networks having no means of physical medium such as cords, wires or cables. This gives the advantage of mobility and extension of the applications to different parts of building, block and even anywhere in word. Wireless network can be divided into four basic categories in order to differentiate between there quality and range:
<u>Category Coverage</u>
Wireless Personal Area Network (WPAN) | Within One person
Wireless Local Area Networks (WLAN) | Within a building
Wireless Metropolitan Area Networks (WMAN) | Within a city
