Cisco 100-105 Exam

Refer to the exhibit. The exhibit is showing the topology and the MAC address table. Host A sends a data frame to host D. Which option describes what the switch will do when it receives the frame from host A?

The exhibit is showing the topology and the MAC address table. Host A sends a data frame to host D. Which option describes what the switch will do when it receives the frame from host A?

  • A. The switch will flood the frame out of all ports except for port Fa0/3.
  • B. The switch will add the destination address of the frame to the MAC address table and forward the frame to host D.
  • C. The switch will add the source address and port to the MAC address table and forward the frame to host D.
  • D. The switch will discard the frame and send an error message back to host A.
Answer: Option C.
Explanation: 

When switch receives the data frame from the host not having the MAC address already on the MAC table, it will add the MAC address to source port on MAC address table and sends the data frame.

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