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本帖最后由 小乔 于 2016-3-10 17:27 编辑 , @$ o5 D5 K' V% i8 e( J- O
. O; g0 b$ i7 _( w8 _) `: U: ? 感谢论坛提供的复习资料。由于时间原因，自己在网上注册报名考试，今天下雨怕堵车，早到在考场等了2个小时，考试前半个小时出示证件，签名，进入考试间，考题前的问卷前台MM都会帮忙教你怎样选择，所以不用担心。
. h+ H: [6 | \. a: x0 Q考试题目总共40题，界面比较模糊，显示器有重影，只能小心答题，考前一至担心怕实验题漏做，现场考试中实验题的界面很友好。
1 @( W O) q' s! p! B1 F. j5 }/ ]选择题基本都是原题，新增一个多选题6 d, M; w5 m: |7 r6 W ~% }/ P" }
Which two statements about the OSPF Router ID are true? (Choose two.)9 V1 S+ T0 p* b
A. It identifies the source of a Type 1 LSA.5 _# j# ~! L) \, a3 f* [9 V/ J
B. It should be the same on all routers in an OSPF routing instance.1 W2 F7 t6 a, ~& G5 V
C. By default, the lowest IP address on the router becomes the OSPF Router ID.
) k6 h- G+ |, Q1 b% W- N- ND. The router automatically chooses the IP address of a loopback as the OSPF Router ID./ U i! Y* w2 e* t5 b* Z. P
E. It is created using the MAC Address of the loopback interface.
' i/ b) X2 z; a答案AD' f0 `0 r9 ?2 c& g) p
一道拖图题
/ s3 K& r V8 F1 K8 N, v! S, ]7 \5 n; e8 B1 J6 Z
实验题：ACL-1原题，ACL-3 host主机变成A,ip有变化，EIGRP Troubleshooting(DCAA)没变
" X1 i% O( n+ H" C }% E# G: V& ]OSPF Neighbor的第4个小题有点小变化
# U% E, c0 p3 x @3 CAn OSPF neighbor adjacency is not formed between R3 in the main
1 n( L3 V6 M( X5 F; R7 Poffice and R6 in the Branch3 office. What is causing the problem?
+ R% U9 b6 d2 Y% W9 xA. There is an area ID mismatch.
# B8 B4 L) @4 F3 O( j) GB. There is a PPP authentication issue; the username is not configured- R2 m, ?) E8 w# g4 R
on R3 and R6.6 a' B/ q( G+ s0 }. G h
C. There is an OSPF hello and dead interval mismatch.
. t; q5 y9 P- W6 X* f# OD. The R3 router ID is configured on R6.
" W$ d' F9 C) p" @1 L$ s% g! h2 oAnswer: D+ C! b' Z0 A# ~9 \
我show run 发现 除了route ID在两台路由器上相同外，还有PPP authentication也有问题，R6没有配置ppp authentication chap，我选了D,估计在这里失分了
# j2 D) \4 K& @R3#show running-config
6 S5 d7 J1 B% n g, _<<output omitted>>, B0 Q/ l1 O' [# v: y8 l
username R6 password CISCO36
6 w) G; S* t- w& b* V! y0 x8 ?!
) R6 }, b% v5 j) Dinterface Serial1/2
3 `6 Q5 {" J( z; mdescription **Connected to R6-Branch3 office**
2 i3 t, }6 Y( B3 F" Y4 Oip address 10.10.240.9 255.255.255.252+ @0 M. G, S% }1 G. g
encapsulation ppp
! ]+ [+ r4 `1 w0 c: O; [8 Qip ospf 3 area 0 |! D2 S0 g' ~( ~) I7 r
ppp authentication chap
5 l. q/ k) n% o) L2 A4 ]; u. v% w!7 G m; Q' R3 f# R# h4 g
<<output omitted>>
1 X* ~: p1 B' B* `' O! e!2 k+ m1 Y& |# c$ [
router ospf 34 \- `# o" x% L. Z
router-id 192.168.3.36 `6 q, B, B$ `5 H( h
!
h, y) [. m* h4 |4 l W<<output omitted>>6 L& n+ ]3 d# U0 k: a8 `2 P
/ | s( c$ f- d$ \9 [ p3 M8 }- |8 y9 _
------------------------------------------------------------------------
8 u+ P7 O+ w" T8 x! ], f, PR6#show running-config# J; m& A4 y& `) m
<<output omitted>>7 `& _7 ]) T- w% v
username R3 password CISCO36
6 p m7 w* l- g!, k) H2 i( U" N! ^7 z
interface Serial1/0- c8 V& n% C, w$ S
description **Connected to R3-Main Branch office**6 W/ J# g0 Q6 k9 ]) f
ip address 10.10.240.10 255.255.255.252
' v4 Y( m+ L. Q! n% i( i" l. b8 nencapsulation ppp5 S6 E# n, U; t' [ \; P
ip ospf 6 area 0+ w+ z) V9 g3 h9 k6 }+ e2 S2 D
!
/ \ @9 Q7 c* x1 q/ N" u7 b, ^/ l<<output omitted>>
# }* e, @: X7 I5 P9 V5 `; l6 p; \!4 A" `3 m% l7 u* M5 k
router ospf 6
% F4 {4 V5 F. grouter-id 192.168.3.3
! m" W5 E& Z4 x: |!
5 ~/ s7 T8 z% ~' P! \<<output omitted>>4 Q( R$ s1 D) ^+ ]1 Y2 ?% g
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发表于 2016-3-9 19:13:02
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