Which of the following BEST describes how the switch processes this information?

A network technician is observing the behavior of an unmanaged switch when a new device is added to the network and transmits data.

Which of the following BEST describes how the switch processes this information?
A . The data is flooded out of every port. including the one on which it came in.
B . The data is flooded out of every port but only in the VLAN where it is located.
C . The data is flooded out of every port, except the one on which it came in
D . The data is flooded out of every port, excluding the VLAN where it is located

View Answer

Answer: C

Explanation:

The switch processes the data by flooding it out of every port, except the one on which it came in. Flooding is a process where a switch sends a data frame to all ports except the source port when it does not have an entry for the destination MAC address in its MAC address table. Flooding allows the switch to learn the MAC addresses of the devices connected to its ports and update its MAC address table accordingly. Flooding also ensures that the data frame reaches its intended destination, even if the switch does not know its location.

Reference: https://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/10556-16.html