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Q. Describe Physical Layer in OSI layers model?
Physical Layer: Controls the transmission of the actual data onto the network. It describes the electrical signals, line states and encoding of the data and the connector types used. An illustration is 10BaseT.
What are firewalls? Firewalls serve to protect an internal network from external attacks. These external threats can be hackers who need to steal data or computer viruses that
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Can you describe the broader steps of how L2F establishes the tunnel?
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