QUESTION 32 【关于双工问题，请各位大虾解答解答】

●「挥霍青春

{:soso__16264556057146868546_4:}QUESTION 32
When you are troubleshooting duplex mismatches , which two errors are typically seen on the full duplex  end? (Choose
& C9 |3 h5 @  q: Q. n; b; |two.)

: |7 }5 ~3 R# [A. r unts  
B. FCS errors
& |" T8 A$ ?; @0 ]+ R# G( q4 b3 x  {C. interface resets
D. late collisions
Answer: AB  
1 ~' I& u4 G4 u2 p! k8 @3 K5 HExplanation/Reference:
However, in a duplex mismatch the collisions seen on the half -duplex side of the link are often late collisions.
The full- duplex side usually will register frame check sequence errors , or  runt  frames.
全双工端查看：runts   interface   reset
文档地址http://en.wikipedia.org/wiki/Duplex_mismatch
题库499上这题是选AC，但是看这些文献好像又是选AB，到底哪个正确呢？

●「挥霍青春

果断回帖，如果沉了就是我弄沉的很有成就感

lyhlzz

看不懂呀，不好意思！

5ibob

wxxsteven

个人感觉 是ab

gaoyankai

AB是正确的。双工不匹配会导致冲突问题，冲突问题会导致超短帧，帧校验序列等队列问题

cdf666

acba