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Computer & Networking BasicsNetworking Devices

An Ethernet switch primarily forwards frames using?

  • AMAC addresses
  • BOnly domain names
  • CCPU clock frequency
  • DFile extensions
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Correct Answer: A. MAC addresses
Explanation: A Layer-2 Ethernet switch learns MAC addresses and uses its forwarding table to send frames toward the appropriate port.
Reference: Standard computer and networking fundamentals: networking devices
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