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Which three statements about STP timers are true?()

发布日期:2020-04-13

Which three statements about STP timers are true?(...
A

STP timers values (hello, forward delay, max age) are included in each BPDU.

B

A switch is not concerned about its local configuration of the STP timers values. It will only consider the value of the STP timers contained in the BPDU it is receiving.

C

To successfully exchange BPDUs between two switches, their STP timers value (hello, forward delay, max age) must be the same.

D

If any STP timer value (hello, forward delay, max age) needs to be changed, it should at least be changed on the root bridge and backup root bridge.

E

On a switched network with a small network diameter, the STP hello timer can be tuned to a lower value to decrease the load on the switch CPU.

F

The root bridge passes the timer information in BPDUs to all routers in the Layer 3 configuration.

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