看过489题库的同学讨论下

phoenix0211

Which Statement is true about TCN Propagation?

A. The originator of the TCN immediately floods this information through the network

B. the TCN propagation is a two step process

C. A TCN is generated and sent to the root bridge

D. the root bridge must flood this information throught the network

Correct Answer: C

Which statement is true about TCN propagation in RSTP (802.1w)?

A. The originator of the TCN immediately floods this information through the network.

B. The TCN propagation is a two step process.

C. A TCN is generated and sent to the root bridge.

D. The root bridge must flood this information throughout the network.

Correct Answer: A

这两道为什么是这么选呢，谢谢啦