Relacionar Columnas DC500 Test 2Versión en línea Error Causes and Prevention por Ricky Tuari 1 Network Layer 2 Impulse Noise 3 Datalink Layer 4 Echo 5 Inter modulation noise 6 White Noise 7 Attenuation 8 Cross-Talk 9 Transport Layer Cause: Poor connections (causing signal to be reflected back to the source) Prevention: Fix the connections, or tune equipment. Cause: Gradual decrease in signal over distance (weakening of a signal) Prevention: Use repeaters or amplifiers Cause: Movement of electrons (Thermal Energy) Prevention: Increase Signal Strength (Increase SNR) TCP, UDP, DCCP,... 802.11, ATM, Ethernet, FDDI, PPP, L2TP,... Cause: Multiplexer guard bands are too small or wires too close together. Prevention: Increase the guard bands or move or shield the wires. Cause: Signals from several circuits combine. Prevention: Move or shield the wires. IPv4, IPv6, IPsec, ARP, RARP,... Cause: Sudden increase in electricity Prevention: Shield or move the wires
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