Correct option is D
The correct answer is (d) WAN.
Explanation:
● A WAN (Wide Area Network) covers a large geographical area, such as a country or even the entire world.
● Since the school branches are in "different parts of the country," a WAN is the correct classification.
Information Booster:
● PAN: Personal Area Network (very small area, e.g., Bluetooth).
● LAN: Local Area Network (single building or campus).
● MAN: Metropolitan Area Network (covers a city).