单选题When NIC teaming is used ,how are loops avoided in a virtual switch?（）ABy using active / passive teaming with spanning tree on the active linkBBy using active / passive teaming with only the active link in useCBy using active / active teaming with VM utilizing both uplink ports
单选题
When NIC teaming is used ,how are loops avoided in a virtual switch?（）
A
By using active / passive teaming with spanning tree on the active link
B
By using active / passive teaming with only the active link in use
C
By using active / active teaming with VM utilizing both uplink ports
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