WhichbridgeIDbelongstoswitch1？（）……

单项选择题WhichportstateisinterfaceFa0 2ofswitch2inforVLANs1and160？（）

A.Listening
B.Learning
C.Disabled
D.Blocking
E.Forwarding
F.Discarding
G.None of the other alternatives apply

单项选择题WhichportrolehasinterfaceFa0 2ofswitch1adoptedforVLAN47？（）

A.Root port
B.Nondesigned port
C.Designated port
D.Backup port
E.Alternate port
F.None of the other alternatives apply

单项选择题WhichbridgeIDbelongstoswitch2？（）

A.32928 000d bd33 029b
B.24623 000f 34f5 039b
C.32928 000d bd03 029b
D.32768 000d bd33 029b
E.32769 000d 65db 01dd
F.32815 000d bd03 029b
G.None of the other alternatives apply

单项选择题WhichspanningTreeProtocolhasbeenimplementedonswitch2？（）

A.STP/IEEE 802.1D
B.MSTP/IEEE 802.1s
C.PVST+
D.PVRST
E.None of the other alternatives apply

判断题Network topology exhibit： 3 configuration exhibit：  You work as a network technician at . is a large international company with offices in the US and in  Europe. You work at the New York Office. Recently a new switch block with multiple VLANs configured were added to the Barcelona LAN.  Your boss at， Miss， tells you that the personal at the Barcelona office failed to document the spanning tree topology during installation. She gives you a plane ticket to Barcelona and orders to provide a baseline of configuration information in regard to the switch block spanning tree topology. Two days later you arrive at the Barcelona office. You study the network topology carefully， see exhibit. Then you connect to the   3 switch； issue the show spanning tree command. Please refer to the exhibit for the output. You are then required to answer the scenario questions using the information that is available.