"The Physical Layer (Layer 1) is the foundational layer of the OSI model. Its primary job is to convert digital data (1s and 0s) into electrical, optical, or radio signals and transmit them as a raw bitstream across physical media like copper wires, fiber-optic cables, or wireless waves." 🌐⚡
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Vulnerability Researcher specializing in Infrastructure & Cloud Security. I share hands-on insights on Active Directory Penetration Testing, Web Application Security, and Cloud Defense strategies.
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