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Table Of Contents  CertiGuide to Network+
 9  Chapter 0011:  Network Hardware

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II  Introduction
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NIC (Network Interface Card)
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III  Layer 1 – Physical Layer

Several devices are considered Layer 1 components. They handle network communications at the Physical Layer of the network, transmitting signals at the lowest level of the network, or converting between different types of signals (sent over different types of cable). These include:

  1. NIC (Network Interface Card)

  2. Hub

  3. Repeater

  4. MAU (Multistation Access Unit)

  5. Media Filter

  6. Transceiver

  7. Wireless Access Point

Layer 1 – Physical Layer

Remember that the NIC, Repeater, Hub, MAU, and Transceiver function on Layer 1 in the OSI model.


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II  Introduction
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NIC (Network Interface Card)
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