Which two of these statements regarding RSTP are correct? (Choose two.)
A.
RSTP cannot operate with PVST+.
B.
RSTP defines new port roles.
C.
RSTP defines no new port states.
D.
RSTP is a proprietary implementation of IEEE 802.1D STP.
E.
RSTP is compatible with the original IEEE 802.1D STP.
Explanation:
http://www.cisco.com/en/US/tech/tk389/tk621/technologies_white_paper09186a0080094cfa.shtml
The answer is A, if this switch has a blocking interface for Vlan2 then it must have a root port with a better metric or receiving port ID. Other switches having faster paths are irrelevant as this switch still would have a root port
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