JKSSB Written 2022
Answer & Explanation
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Correct Answer:
Option C —
WAN
The Internet is the ultimate example of a Wide Area Network (WAN). While a LAN connects devices in a single room or building, a WAN connects smaller networks across cities, countries, and even continents.Why the Internet is a WANA WAN is a telecommunications network that extends over a large geographical distance. The Internet is technically a "network of networks" that uses the TCP/IP protocol suite to link billions of devices worldwide through fiber-optic cables, satellite links, and radio waves.Analysis of the Options
A) LAN (Local Area Network): This is a network confined to a small area like a home, office, or school. Your home Wi-Fi is a LAN.B) MAN (Metropolitan Area Network): This covers a larger area than a LAN but a smaller area than a WAN—typically a single city or a large university campus. Cable TV networks are a common example .
C) WAN (Wide Area Network): As established, this spans long distances. It often uses leased telecommunication lines to bridge the gap between different LANs.
D) DAN (Desk Area Network): This is a less common technical term referring to a network centered around an individual's desk, connecting a computer to its peripherals. (Note: Sometimes "PAN" or Personal Area Network is used for Bluetooth-style connections).
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