Cisco Certified Network Professional Practice Test

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Prepare for your Cisco Certified Network Professional Test with confidence. Study using flashcards and multiple choice questions, each with detailed hints and explanations. Ensure your success on the exam!

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What action is performed to clear dynamic MAC addresses in the CAM table?

Reset mac-address-table
Flush static entries
Clear mac address-table dynamic
Reboot the switch

The correct answer is: Clear mac address-table dynamic

The action that is performed to clear dynamic MAC addresses in the Content Addressable Memory (CAM) table is to use the command to clear the dynamic entries specifically. This command focuses on removing only the MAC addresses that were learned dynamically through incoming frames, allowing the switch to refresh its knowledge of which devices are connected to which ports. Using the specific command to clear dynamic entries ensures that any changes in the network, such as devices being added or removed, are accurately reflected in the switch's MAC address table. This is particularly useful in environments where devices frequently connect and disconnect, as it helps maintain up-to-date MAC address information without impacting statically assigned entries. Other actions, such as resetting the MAC address table or rebooting the switch, may affect the entire table, including static entries, which is not always desirable. Flushing static entries is not relevant here since the focus is on dynamic addresses. Therefore, the correct command is essential for effective network management and operation.