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TOPIC: nic work at which layer.

nic work at which layer. 8 years 1 month ago #27894

  • abi1929
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nic works at which layer... is it right to say it work at 1 as well as 2 ..
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Re: nic work at which layer. 8 years 1 month ago #27896

  • SteveP
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That is as I understand it.
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Re: nic work at which layer. 8 years 1 month ago #27900

  • Chris
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Network cards are said to work on layer 2 (Datalink - Mac Address), but you can also argue that they also work on layer 1 (Physical) as they contain the jack where the network cable and electrical signals terminate (or are generated when transmitting).
Chris Partsenidis.
Founder & Editor-in-Chief
www.Firewall.cx
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Re: nic work at which layer. 8 years 1 month ago #27924

  • seanjuan
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A NIC card is a Layer 1 and a Layer 2 device.

The NIC card is a Layer 1 device because it sends data over physical media such as a CAT5 cable.

The NIC card is a Layer 2 device because there are two sub layers on Layer 2. The Logical Link Control (LLC) and Media Access Control (MAC). The MAC sub layer communicates with hardware such as NIC cards by using their MAC addresses
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