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I am trying to understand this sentence: “The size of data units may be limited by the physical connection error rate. ” From “Network Maintenance and Troubleshooting Guide: Field-Tested Solutions for Everyday Problems.” The author was discussing the data link layer.
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I am trying to understand this sentence: “The size of data units may be limited by the physical connection error rate. ” From “Network Maintenance and Troubleshooting Guide: Field-Tested Solutions for Everyday Problems.” The author was discussing the data link layer.

physical connection error rate, meaning.

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.