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
. l2 b; G' H9 N0 U- MWhen you are troubleshooting duplex mismatches , which two errors are typically seen on the full duplex  end? (Choose
two.)

6 O$ U- Z4 C9 [+ {3 [1 ZA. r unts  
B. FCS errors
7 i' p# E+ S, v. }C. interface resets
* w6 j$ z: Z3 j3 \& vD. late collisions
  P% G2 Y! b% f; |9 v* o$ yAnswer: AB  
& P4 T$ r& j1 u2 q6 UExplanation/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.
& U2 Y( l/ i2 h" X' n2 d1 ]全双工端查看：runts   interface   reset
文档地址http://en.wikipedia.org/wiki/Duplex_mismatch
$ e) F- b9 j+ J! a8 a3 C% w1 _, K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