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从上个月开始复习的，思科交换的维护经验比较多，理论一般。复习看了几遍精简题库，完整版题库昨天看了少部分。
3 ]$ k$ M. |9 k9 Q7 O& C1 k
8 p6 {" Y* u6 Q! y考试共44题，实验题老三样，有3、4题没有见过，记在答题板上，却被小姐姐收走了，勉强回忆了一下：& |" y4 i& f" R$ m# G" F2 L
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1， A question about HSRP identifier at data link layer?
. S# J6 E7 [1 V+ {A. MAC address B. virtual IP address C. standby group
. v9 H" B9 D7 E9 ?! l1 rAnswer: A （题库没有）" k" y% V! H: X. V B3 t/ j
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2 _' N0 c" P# e" N0 k2，QUESTION 624 （完整版题库）! [& P* f; H4 @: L- u+ F
Which two statements about the LACP port priority of a device are true? (Choose two.)/ B) m0 o/ O' Z: J: D
A. To manually configure a link within an EtherChannel to come up first, set its LACP port-priority value
# N6 ^/ r6 ]8 c& Mlower than the default." X, i& y, }( j
B. LACP port-priority is used in the hashing algorithm to load-balance links within an EtherChannel. k* F, e# _) M/ U6 d1 m' W
C. The systems uses the port priority of the local and remote devices to determine which links in an
, f/ ]- d7 ]4 h! jEtherChannel group are active.
, {+ [# Z) K2 t( ?D. It determines which links in an EtherChannel group are active.
0 O) d& @; G0 g" y4 Z6 YE. To manually configure a link within an EtherChannel to come up first, set its LACP port-priority value
8 `- {, x2 }- p) V K% w0 Hlower than the default.
7 H* W/ i6 }& YF. The system uses the port priority of the local and remote devices to determine which links in an
M8 v3 X8 D# F0 H/ B, N, _EtherChannel group are host-standby! O$ m: Z3 K3 _; V
Correct Answer: AD& G8 {" N f- y
/ a" c, K9 J' k8 V' F3 M1 b3，一张图，内容如下：5 w/ k. A: G8 J/ T9 `% W# X3 |" l
switch#show interface trunk+ V2 ^) W( A$ @. i1 |9 ]& m) @
5 l. @3 E- F! ?5 Q* gPort Mode Encapsulation Status Native vlan
" x% Y/ p+ ^& X" j4 T5 j+ IGi0/1 on 802.1q trunking 1% p3 D9 U7 [$ M& g( l/ b- p5 M% T5 I
Gi0/2 on 802.1q trunking 14 a' I! O0 o7 y
Gi0/3 on 802.1q trunking 1
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Port Vlans allowed on trunk
8 f8 u& Q* G0 z$ Z5 h5 `9 xGi0/1 1-4094
% D% \8 }8 ?7 aGi0/2 1-4094
6 o: L- p( D6 G, v3 e" lGi0/3 1-40943 R- [. t. a2 O+ `( B5 p
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Port Vlans allowed and active in management domain6 R+ I2 H: Q- R) S6 @- ~
Gi0/1 20,41-481 s/ R) _' G, F, n
Gi0/2 20,41-483 j; ~7 s" M- }% H
Gi0/3 20,41-486 j( O" p! D- Q5 Y3 x9 V$ Y
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Port Vlans in spanning tree forwarding state and not pruned
5 [$ B M4 z6 k6 V& ZGi0/1 20,41-48
% s0 J0 Y" l8 oGi0/2 20,41-48' T2 |8 k4 g* p# R' n, _" ]
Gi0/3 20,41-48
1 q; d0 w O [3 P% [# D我选的是，端口的trunk配置允许pass all vlan traffic.
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u9 |# I- n) N/ L0 o0 o5 s+ i另外题库里有几道题我认为答案不对，我改了，大家一起研究。
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附件是我把每道题截屏的图片，有需要的可以下载- H$ G& s; @1 ~+ _7 o- I1 g
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发表于 2020-1-10 14:23:57
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