Click the Exhibit button In an RSTP network, the root and designated ports have been
elected as shown in the exhibit What will be the port type of port 1?
A.
alternate port
B.
discarding port
C.
backup port
D.
listening port
What will be the port type of port 1?
Click the Exhibit button In an RSTP network, the root and designated ports have been
elected as shown in the exhibit What will be the port type of port 1?
Backup port should be on SW with Designated port for the LAN segment
Alternate ports should then be on a different SW connected to the same LAN segment
So A is correct
https://www.google.sk/search?q=RSTP+backup+port&source=lnms&tbm=isch&sa=X&ved=0ahUKEwid__W21IjMAhUDwBQKHXPACpoQ_AUIBygB&biw=1170&bih=673&dpr=1#imgrc=G3N5ckRh3YT65M%3A