单项选择题

Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?（）

A.the switch with the lowest MAC address
B.the switch with the higest MAC address
C.the switch witch the higest IP address
D.the switch with the lowest IP address

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热门试题

多项选择题Refer to the exhibit.Which two statements are true of the interfaces on switch1?（）

A.AhubisconnecteddirectlytoFastEthernet0/5
B.FastEthernet0/1isconfiguredasatrunklink.
C.FastEthernet0/5hasstaticallyassignedmacaddress
D.InterfaceFastEthernet0/2hasbeendisable.
E.MultipledevicesareconnecteddirectlytoFastEthernet0/1.
F.FastEthernet0/1isconnectedtoahostwithmultiplenetworkinterfacecards.

多项选择题Which two of these statements regarding RSTP are correct? （）

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.

多项选择题What are the possible trunking modes for a switch port? （）

A.transparent
B.auto
C.on
D.desirable
E.client
F.forwarding

单项选择题Which term describes a spanning-tree network that has all switch ports in either the blocking or forwarding state?（）

A.redundant
B.spanned
C.provisioned
D.converged

单项选择题Refer to the exhibit. At the end of an RSTP election process, which access layer switch port will assume the discarding role?（）

A.Switch3, port fa0/1
B.Switch3, port fa0/12
C.Switch4, port fa0/11
D.Switch4, port fa0/2
E.Switch3, port Gi0/1
F.Switch3, port Gi0/2