本帖最后由 leehenwu 于 2011-5-18 15:29 编辑 + j; S- ~! X; w9 u$ B. O1 j/ k- z% b! B q# D7 Q
642-813 V200 有很多题目重复的,而且同样的题目和选项,选择却是不是不一样的,大家有看到吗?+ @2 ^1 S. b. v, J" |7 O. y$ b
例如:. |0 i- V/ r* G- O% ^* g1 G0 e
Which two statements correctly describe characteristics of the PortFast feature? (Choose two.) * e6 T/ X! N) o3 ?. JA. STP will be disabled on the port.+ k d3 g7 D* \6 U) G ?& B
B. PortFast can also be configured on trunk ports.% c4 n7 t/ c7 w7 g2 @+ v4 q
C. PortFast is required to enable port-based BPDU guard." I4 [, t1 [/ b- l( Z6 W
D. PortFast is used for both STP and RSTP host ports.& Z5 d: t/ n1 x+ n# N" j& a ]
E. PortFast is used for STP-only host ports., w! u' X4 P- [( N# w5 [8 U' K
出现过2次,一个选BD 一个是CE??????? ) K' T' g4 [4 ]4 |9 d( t4 u2 ^# ~7 { Z