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助理工程师
 
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本帖最后由 duguxun2008 于 2015-7-3 10:54 编辑 ' F k& `2 o& i* _" C% a6 Q
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TK稳定,后面98+441+130
, h% s- q2 A9 o, b ~( c/ P130题变种题干没变,选项是:
' V. @: z4 R+ y: I3 PA. It sets the MAC table aging time to max_age .+ H0 f" V: s2 d3 o; S D* V) c! |& S) z0 Z" v5 B& R1 u
B. It sets the MAC table aging time to forward_delay time.. [; v6 k) |& j$ N8 X9 w# i% Q4 X
C. It recalculates the STP topology upon receiving topology change notification from the root2 W$ F x. I) V; M/ w4 n g- ~* p4 _- c9 ]( m
switch.
' M5 r! Y3 w. z% x( \' s0 QD. It cannot recalculates the STP topology upon receiving topology change notification from the root4 S. h, ~7 e) q0 L( Q- t
. p0 y9 y% [2 g( B! ]! `4 Aswitch.2 ^3 r: A& u1 V ]' X+ J, `- n% \
答案BD" V% k/ k6 u1 Y
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