2020 Latest Cisco 200-125 Exam Questions - Cisco 200-125 Dumps
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Exa m Name:
Cisco CCNA Cisco Cer tified N etwo rk Asso ciate CCNA ( v3. 0) Exam
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Q uesti on:1
D R A G DR OP
You are config uri ng a sw i tch so that it a cce pts tra ffic from a m ax i m um of tw o dynam i c MAC
addre ss es . Dra g and drop the re qui re d config ura ti on com m ands on the le ft i nto the corre ct se que nce
on th e r i g ht. ( N ot a l l com m a nd s a re us e d.)
Answer:
Q uesti on:2
W hi ch val ue is used to bui ld the CA M tabl e?
A . Sou rce ip a ddress
B. Desti nati on ip address
C . Desti nati on MA C address
D. Sou rce MA C a ddre ss
Answer :D
Q uesti on:3
W hi ch tw o ci rcum stance s can pre ve nt tw o route rs from e stabl i shi ng an E IGRP ne ig hbor adjace ncy?
(C hoose tw o.)
A . B oth route rs hav e the sam e route r ID
B. The route rs are on di ffe re nt subne ts
C . The tw o route rs hav e the sam e autonom ous sy ste m num ber
D. The route rs hav e mi sm atche d K va l ue s.
E . An AC L is bl ocki ng traffic from m ul ti cast address 224. 0. 0. 5.
Answer : BD
Q uesti on:4
W hi ch tw o ste ps m ust you pe rform on ea ch de vi ce that is config ure d for i pv 4 routi ng be fore you
i m pl em ent OSP Fv 3? (choose tw o)
A . config ure an autonom ous sy ste m num ber
B . config ure a l oopba ck i nte rface
C . config ure a route r ID
D. e nabl e IP v6 on an i nte rface
E . enabl e IP v6 uni cast routi ng
Answer : C,E
Q uesti on:5
Re fe r to the topol og y show n in the ex hi bi t.
W hi ch thre e ports wi ll be STP de si g nate d ports if al l the li nk s are ope rati ng at the sam e bandw i dth?
( C hoose thre e.)
A . Sw i tch A -Fa0/0
B. Sw i tch A - Fa0/1
C . Sw i tch B - Fa0/0
D. Sw i tch B - Fa0/1
E . Sw i tch C - Fa0/0
F. Sw i tch C - Fa0/1
Answer: B, C,D
E x pl an ati on:
Thi s que sti on is to che ck the spanni ng tre e el e cti on probl em.
1. Fi rst, se l e ct th e root br i dg e, w hi ch ca n be a ccom pl i sh e d by com pa ri ng th e br i dg e I D, th e sm al l e st
w il l be se le cte d. Bri dg e-i d= bri dg e pri ori ty + MA C addre ss. The thre e sw i tches in the fig huarev eall
the de fa ul t pr i or i ty, so we shoul d com pa re the MA C addre ss , it is ea sy to find that Sw i tchB is the root
b r i dg e.
2. Se le ct th e root port on th e non-root br i dg e, w hi ch ca n be com pl e te d th roug h com pa ri ng root pa th
cost. The sm al l e st wi ll be se l e cte d as the root port.
3. N ex t, se le ct the De si g na te d Port. Fi rst, com pa re the pa th cost, if the costs ha ppe n to be the sa m e,
th e n com pa re th e B I sDt,i ll th e s m a l l e st wb ie l lse l e cte dE.a ch l i nk ha s a DP.Ba se d on the ex hi bit
a bo v e,w e ca n find DP on e ach l i nk. The DP on the li nk be tw ee n Sw i tchA and Sw i tchC is
Sw i tchA 'Fa0/ 1, be cause it has the sm al le st MA C addre ss.
Q uesti on:6
B as ed on the output be l ow from Sw i tchB, W hi ch Sta te m e nt is True?
A . VLA N 40 is runni ng the pe r VLA N Spanni ng Tre e P rotocol
B. The Fa 0/ 11 rol e confirm s that Sw i tchB is the root bri dg e for VLA N 40
C . Sw i tchB is not the root bri dg e, be cause not al l of the i nte rface rol es are de si g nated
D. The MA C A ddre ss of the root br i dg e is 0017:596d. 1580
Answer :C
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