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CCNA 1 v3.1 Module 2 Networking Fundamentals. Objectives. Data Networks. Network History. Network History continued. Networking Devices. Network Topology. Network Protocols. Local-area Networks (LANs). Wide-area Networks (WANs). Metropolitan - Area Network (MANs).
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Provides connectivity and path selection between two host • Provides Logical address • No error correction, best effort delivery. OSI Layers