Episode 21: LAN, MAN, and WAN — The Scope of Networks

This episode introduces the three primary categories of network scope: Local Area Networks (LANs), Metropolitan Area Networks (MANs), and Wide Area Networks (WANs). A LAN typically covers a small area such as a home, office, or building, while a MAN spans a city or region, and a WAN connects networks across broader geographic distances. These distinctions are critical to understand for the exam, as they determine which technologies, protocols, and devices are used in each environment. Recognizing the scale of a network helps clarify how it is designed, managed, and secured.Examples are provided to illustrate how each type functions. A LAN might rely on Ethernet and Wi-Fi for internal connectivity, a MAN could use fiber links across a city for a university campus, and a WAN might employ leased lines, MPLS, or satellite links to connect global offices. The exam often tests your ability to distinguish between these scopes, so the episode emphasizes practical scenarios and design implications. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your certification path.

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