Under which circumstances would an RSTP bridge flush its MAC address table? (Multiple Choice)

Posted by: Pdfprep Category: H12-261-ENU Tags: , ,

Under which circumstances would an RSTP bridge flush its MAC address table? (Multiple Choice)
A . Upon a port state change
B . Upon receiving a topology change notification
C . When transitioning from discarding to forwarding
D . When transitioning from forwarding to discarding
E . Only when changing from listening to discarding

Answer: BC

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