Which two elements contribute to the bridge ID when configuring RSTP? (Choose 2)
A.
designated MAC address
B.
bridge priority
C.
extended system ID
D.
root ID
E.
bridge address
Explanation:
The bridge ID consists of a configurable bridge priority and the MAC address of the
bridge.
http://www.juniper.net/techpubs/software/junos/junos95/swconfig-layer-2/conf-stp.html#confbridge-priority
I think the correct answer should be B&C
yes, its B&C
A & B, Final answer. STP elects the root bridge device based on the BID, which consists of Priority value and MAC address.
B E. No such bullshit as “designated MAC address” when defining bridge id.