Refer to the exhibit. This network is running legacy STP 802.1 d. Assuming " hello_timer " is fixed to 2 seconds, which parameters can be modified to speed up convergence times after single link/node failure?
A.
The transit_delay = 5 and bpdu_delay = 20 are recommended values, considering hello_timer = 2 and specified diameter.
B.
Only the maximum_transmission_halt_delay and diameter parameters are configurable parameters in 802.1d to speed up STP convergence process.
C.
The max_age and forward_delay parameters can be adjusted to speed up STP convergence process.
D.
Only the transit_delay and bpdu_delay timers are configurable parameters in 802.1d to speed up STP convergence process.
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