data:image/png;base64,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data:image/png;base64,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-90-130Link Layer: Cables, Switches, Wi-Fi2-100-90145,26,68,12-90-70Internet Layer: IP Routing, Routers2-100-3079,255,39,12-90-10Transport Layer: TCP/UDP, Reliability2-10030255,177,39,12-9050Application Layer: Apps, Email, Web20100This is the TCP/IP Model in Action!3