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Which two states are the port states when RSTP has converged?

Which two states are the port states when RSTP has converged? (Choose two.)

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A.
discarding

B.
listening

C.
learning

D.
forwarding

E.
disabled

Explanation:
Understanding Rapid Spanning Tree Protocol (802.1w)
http://www.cisco.com/en/US/tech/tk389/tk621/technologies_white_paper09186a0080094cfa.shtm
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Port States There are only three port states left in RSTP that correspond to the three possible
operational states. The 802.1D disabled, blocking, and listening states are merged into a unique
802.1w discarding state. RSTP only has 3 port states which are discarding, learning and forwarding.
When RSTP has converged there are only 2 port states left:
discarding and forwarding.


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