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单项选择题 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.

  • C
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