Concept:The most basic type of network is the one that covers the smallest area and serves a single user.
Explanation:A Personal Area Network (PAN) is the simplest and most basic network.
It usually connects devices around one person, such as a computer, phone, tablet, or wireless modem.
PAN covers a very small range, typically within one room or building.
WAN, MAN, and SAN cover larger areas or serve more specialised, larger-scale purposes.
Answer:C. PAN