Fiber

Fiber Optics Primer for Technicians

A broadband technician working with fiber optics must understand both the theory and the hands-on operational realities of fiber networks. The following areas represent the core knowledge required to install, maintain, and troubleshoot fiber effectively in access and distribution networks. 1. Fiber Fundamentals Technicians must understand how fiber carries data as light, not electricity. Fiber-optic […]

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What are some examples of Physical Layer Threats in Networking?

A great question in my two day Security class recently. The physical layer (Layer 1) of the layered model is responsible for the transmission of raw data bits over a communication medium. Although it is often considered more secure due to its reliance on physical components, it is still vulnerable to a variety of threats.

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