Correct option is B
The correct answer is (b) WAN
Explanation:
• WAN (Wide Area Network) connects computers and networks over large geographical areas, such as countries or continents.
• It uses public networks like the Internet for data transfer between distant locations.
• Organizations use WANs to link their international branches securely.
Information Booster:
• WANs often use technologies like VPN (Virtual Private Network) and leased lines.
• Example: A multinational company connecting offices in India, USA, and Japan via Internet.
• Routers and modems are key devices used in WAN setup.
• The Internet itself is the largest example of a WAN.
• Data transfer in WANs can use satellite, fiber optics, or telephone lines.
Additional Knowledge:
• MAN (Metropolitan Area Network): Covers a city or large campus area.
• PAN (Personal Area Network): Connects personal devices within a few meters (e.g., Bluetooth).
• LAN (Local Area Network): Used within a single building or limited area (e.g., office or school).