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200-150 · Question #92

Which two networking devices operate at Layer 1 of the OSI model? (Choose two.)

The correct answer is A. Repeater E. Hub. It defines the electrical and physical specifications of the data connection. It defines the relationship between a device and a physical transmission medium (e.g. a copper or fiber optical cable). This includes the layout of pins, voltages, line impedance, cable…

Cisco Data Center Networking Technologies

Question

Which two networking devices operate at Layer 1 of the OSI model? (Choose two.)

Options

  • ARepeater
  • BBridge
  • CSwitch
  • DRouter
  • EHub

How the community answered

(30 responses)
  • A
    93% (28)
  • C
    3% (1)
  • D
    3% (1)

Explanation

It defines the electrical and physical specifications of the data connection. It defines the relationship between a device and a physical transmission medium (e.g. a copper or fiber optical cable). This includes the layout of pins, voltages, line impedance, cable specifications, signal timing, hubs, repeaters, network adapters, host bus adapters (HBA used in storage area networks) and more."

Topics

#OSI model#Layer 1#repeater#hub

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