单选题Refer to the exhibit A frame on vlan 1 on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?（）A trunk mode mismatchesB vlans that do not correspond to a unique IP subnetC native vlan mismatchesD allowing only vlan 2 on the destination.
单选题
Refer to the exhibit A frame on vlan 1 on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?（）
A
trunk mode mismatches
B
vlans that do not correspond to a unique IP subnet
C
native vlan mismatches
D
allowing only vlan 2 on the destination.
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如果希望在Switch1中创建的VLAN信息也能在Switch2中使用，则分别在Switch1、Switch2上执行下列命令，请给出空白处的配置内容：Switch1vlan database (设置VLAN配置子模式)Switch1(vlan)vtp (4)Switch1(vlan)vtp domain abc (设置域名)Switch1(vlan)exit (退出VLAN配置模式)Switch2vlan database (设置VLAN配置子模式)Switch2(vlan)vtp (5)Switch2(vlan)vtp domain abc (设置域名)Switch2(vlan)exit (退出VLAN配置模式)
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 fa0/1B.Switch3, port fa0/12C.Switch4, port fa0/11D.Switch4, port fa0/2E.Switch3, port Gi0/1F.Switch3, port Gi0/2
Refer to the exhibit. What switch proves the spanning－tree designated port role for the network segment that services the printers?() A.Switch1B.Switch2C.Switch3D.Switch4
Refer to the exhibit.The network administrator normally establishes a telnet session with the switch from host A.However,host A is unavailable.The administrators attempt to the switch from host B fails,but pings to the other two hosts are successful.what is the issue?（）A.Host B and the switch need to be in the same subnet.B.The switch needs and appropriate default gateway assigned.C.The switch interface connected to the router is down.D.Host B need to be assigned an IP address in vlan 1.E.The switch interfaces need the appropriate IP addresses assigned.
Refer to the exhibit A frame on vlan 1 on switch s1 is sent to switch s2 when the frame is received on vlan 2,what causes this behavior?() A.trunk mode mismatchesB.vlans that do not correspond to a unique IP subnetC.native vlan mismatchesD.allowing only vlan 2 on the destination.
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