A network that covers large area, city, country and beyond is called:

A. Router
B. WAN 
C. LAN
D. Bridge

🧠 Explanation:

A network covering a large area, like a city or country, is called a WAN (Wide Area Network). For tech students, this highlights network architecture, making it a key topic for studying IT infrastructure, telecommunications, and digital connectivity. WANs enable long-distance communication. Understanding this ensures knowledge of network systems. It’s essential for analyzing IT performance, connectivity, and technology applications. Studying WANs offers insights into how networks connect regions, crucial for computer science, IT, and engineering, ensuring efficient digital communication across large areas.