• Fiber Optic Cable is commonly used for WAN communication.
• WAN is Communication across a Wide Area Network (WAN), a network spanning large geographical distances (cities, countries, or globally).
• WANs often link multiple Local Area Networks (LANs).
• WAN Protocols: Standardized communication rules for data transmission across a WAN. Examples include:
○ TCP/IP: The foundation of internet communication.
○ MPLS: For efficient and fast routing.
○ Frame Relay: An older packet-switching technology.
○ ATM (Asynchronous Transfer Mode): Another older high-speed technology.
○ PPP (Point-to-Point Protocol): For direct connections between two network nodes.
Study Notes
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