After adding a new member to a StackWise stack and the previous active switch is re-elected, what action does the active switch take?
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Correct answer: It checks the IOS and running configuration of the new switch and updates them if necessary to match the other switches in the stack..
Why this is the answer
When a new switch joins a StackWise stack, the active switch performs an essential synchronization process. It verifies the Cisco IOS Software version and the running configuration of the newly added member. If there are discrepancies, the active switch automatically pushes the correct IOS version and the current running configuration to the new switch. This ensures that all members of the stack operate with the same software and configuration, maintaining consistency and preventing operational issues. Suspending traffic or clearing MAC tables are not necessary and would disrupt network services. Removing Layer 3 configuration is incorrect as the new switch needs to be fully integrated into the stack's configuration.
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