CCNA,網路高手請看

這一題我看不太懂,誰可以詳細的解釋一下!謝謝 以下為網路的專有名詞,請不要用一般的翻譯解釋~~ Q: In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN? A. during high traffic periods B. after broken links are re-established C. when upper-layer protocols require high reliability D. in an... show more 這一題我看不太懂,誰可以詳細的解釋一下!謝謝
以下為網路的專有名詞,請不要用一般的翻譯解釋~~

Q: In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?

A. during high traffic periods
B. after broken links are re-established
C. when upper-layer protocols require high reliability
D. in an improperly implemented redundant topology
E. when a dual ring topology is in use
1 answer 1