Which topology describes devices connected across geographies?

Question

Options

• ALAN
• BSAN
• CWAN
• DPAN

• A
  7% (3)
• B
  2% (1)
• C
  88% (36)
• D
  2% (1)

Explanation

WAN (Wide Area Network) is the correct answer because it specifically refers to networks that span large geographic distances - connecting devices across cities, countries, or even continents. The internet itself is the largest example of a WAN.

• A (LAN - Local Area Network) is wrong because it covers a small, localized area like a home, office, or building.
• B (SAN - Storage Area Network) is wrong because it's a specialized network for connecting storage devices to servers, not a geographic topology.
• D (PAN - Personal Area Network) is wrong because it covers the shortest range - typically within a few meters of a single person (e.g., Bluetooth between your phone and headphones).

Memory tip: Match the first letter to scale - Personal (meters) → Local (building) → Wide (world). When you see "geographies" or "across cities/countries," think Wide = WAN.

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