Physical Layer: The lowest layer of the OSI model, which defines the physical characteristics of a network, such as transmission media, connectors, and signaling methods. It ensures reliable and efficient data transmission across a network. Examples of physical layer components include network cables, network switches, and network adapters.
Categories: CC D4: Network Security | CCSP D3: Cloud Platform and Infrastructure Security | CISM D3: Information Security Program | CISSP D4: Communication and Network Security | Security+ D3: Security Architecture | SSCP D6: Network and Communication Security
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