本帖最后由 duguxun2008 于 2015-7-3 10:54 编辑 ) \. R0 k% W$ t 1 { B/ w. L$ E" b- p4 S0 HTK稳定,后面98+441+130) I: J$ O: F- T
130题变种题干没变,选项是: ' ?7 c& y: N3 W* kA. It sets the MAC table aging time to max_age .+ H0 f" V: s2 d3 o; S D* V , Y$ v g: v2 q$ |6 O' n0 h4 oB. It sets the MAC table aging time to forward_delay time.. [; v6 k) |& j$ N $ C% h% H0 J8 K4 z; d5 sC. It recalculates the STP topology upon receiving topology change notification from the root2 W$ F x. I) V; M- V9 }. O; ^# v* O. b
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D. It cannot recalculates the STP topology upon receiving topology change notification from the root4 S. h, ~7 e) q0 L( Q- t) |+ z; z% {" y( x) p/ u
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答案BD 0 R7 r8 f: q$ \2 y# b- k