What is the only way an engineer can alter the value of the bridge ID?
A) Modify the main switch MAC address
B) Configure the bridge ID under STP configuration mode
C) Swap out the main switch network interface card
D) Configure the STP priority
D
Explanation: D) The bridge ID (BID ) is built from two fields: the bridge priority and the system ID (MAC address). The priority can be altered, which will affect the value of the BID; the MAC address used by STP is the universal (burned-in) MAC address and cannot be altered on the switch (without swapping out the whole switch).
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