我之前用的20181204的题库,这次看这个,发现一些题目答案跟以前不一样了。如/ z- T' o6 ^4 Z- F$ D# q) N) Z7 _
QUESTION 488 K3 v7 A$ f7 T3 ^8 u
Which two statements about using leased lines for your WAN infrastructure are true? (Choose two.) % A# \/ z' Z% kA. Leased lines provide inexpensive WAN access. 2 v5 s7 H% e7 J& Z% D& I$ f! tB. Leased lines with sufficient bandwidth can avoid latency between endpoints. # n% d: g' M) X+ B- @% H; [7 yC. Leased lines require little installation and maintenance expertise.) ^4 A9 V% X2 r/ F0 U& j% a
D. Leased lines provide highly flexible bandwidth scaling. : K3 M- p. X2 L2 A' AE. Multiple leased lines can share a router interface. - Z/ Z& R- z+ x' xF. Leased lines support up to T1 link speeds. x$ J& [+ h& _: _- m8 y# x' M之前是答案是CD,现在BC。觉得答案B,充足的带宽可以消除终端之间的延迟,这个应该是错误的。# U! m2 ]4 u [3 ^' P( W
* Y! t4 Y1 q0 L1 m还有 g! M6 Y; H1 @7 D! d- |QUESTION 589 @/ [6 p' n# Y7 z- s3 `$ a
What is the status of port-channel if LACP is misconfigured? 7 ~$ U+ m4 M+ ?# {5 m; |A. Forwarding 5 _5 u+ f9 ?7 X3 k8 RB. Enabled/ _1 @& a, K4 `8 Q9 B
C. Disabled3 G1 c1 b* W* L% _$ Q) F
D. errdisabled e, P1 O; L9 C2 U$ B5 `
之前答案是D,现在答案是C。记得看闫辉老师的题目讲解,这个如果LACP参数不匹配,将进入errdisable状态,应该答案是D。' I1 x2 ] U# R I/ c! x( j
因为看到比较慢,目前发现这些答案跟之前不一致。 & N. s. E# i- M- T( A不知道有没有大佬能不能出来给个正确答案