- 积分
- 0
- 鸿鹄币
- 个
- 好评度
- 点
- 精华
- 最后登录
- 1970-1-1
- 阅读权限
- 0
- 听众
- 收听
游客
|
发表于 2011-10-20 00:42:15
|
显示全部楼层
9tut上的答案和解释。与楼主的不同,请确认。6 d3 R5 L& G5 U0 s/ }( ?
7 {: ~/ |; t: ]) W0 TWhich two states are the port states when RSTP has converged? (choose two)6 R9 [' O& N! w! `- W% I, P6 y
: a, y+ `- n. t' o1 N3 q, `- e+ @; o
A. blocking
( H0 b4 L, z8 ?' _) \$ @5 \B. learning
. m. v5 x: R) j8 _, EC. disabled
1 ^: L3 l9 w6 `& Q: o- T% hD. forwarding
% ^$ y5 @6 n" }+ ?3 ?E. listening
' R$ ^. @5 f1 Q+ _4 r8 l7 v( f' m1 {$ ^/ Z% u: d
Answer: A D: D' `# Q( ~) x, |4 A1 X9 i
9 @: ]# Q/ o3 Y- X
Explanation
$ @8 q$ p( ^ r0 q( ]( C. E$ U3 ~
RSTP only has 3 port states that are discarding, learning and forwarding. When RSTP has converged there are only 2 port states left: discarding and forwarding but the answers don’t mention about discarding state so blocking state (answer A) may be considered the best alternative answer.
+ D* H, ~7 ?- H% H/ D+ M' }
9 v! N/ q9 U5 |9 X4 k$ z |
53#
2011-10-20 00:42:15
回复(0)
收起回复
|