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初级工程师
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楼主 |
发表于 2019-4-21 20:17:35
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拖拉題是考GRE的up/up, up/down,reset/down與相對應的狀態6 [ X! p& P8 O' Q
選擇題也考了很多GRE相關的新題目,也有3.27考題的拓樸,但問法跟答案不同的題目4 c5 E$ S5 B* g r2 ~# T8 f
小腦袋記憶不好,只能盡量拼湊,希望能給大家一點方向! H$ N, z4 ^7 u U% t. B
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●NEW5 Y& |2 E/ m( U; y6 V
upgrade ios, unexpect reboot, reboot old version, 3 y$ n0 P: M1 Z5 D* Q. ?
a.new ios corrupted q" @. c* y" F+ y$ P4 h+ T
b.old ios corrupted
7 F. w. t. P& k' u. Sc....0x2103
3 E3 X/ o |' m% A3 s6 od.
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●同圖3.27-Q7,但問法及答案不同3 u$ z3 {) C8 L" }
debug condition& J" w2 J! a9 `5 U4 h
username admin (flag 0)
2 |* k$ {4 j8 o1 LGi0/2 (flag 1)
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, o7 \( I6 T& Q+ y●同圖3.27-Q5,但問什麼原因造成client_a不通* s b! G0 _' g7 {/ r) @) Y
我記得這題題目設定是tunnel source e/0/0" [( z* V) B, G/ w
" S. k2 c2 V- w+ G. Y# |' s●同圖3.27-Q12, 但問法不同5 t9 R y0 f. ~
RA-lo1 1.1.1.1, RC-lo1 4.4.4.4
% P9 ?+ o/ Z# |1 c8 P q+ U1 o2 Ntunnel up/up, tunnel up/down
& M" M7 I% `! G$ P0 T E要show麼指令查看' u' y* F# ~7 [# E$ \# u
show ip route0 Z: i# r1 `( @. |* @* H) C
show ip route connected
/ B4 ~( Y# k9 s5 ]5 bshow nhrp ...
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" b+ g; b9 {. b●多選NEW! b+ |3 j! L2 v) J
tunnel xx
7 M; O1 N; r! ? u) D6 ^access-group 101 in
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+ k3 q) y0 E1 L7 |access-list 101 permit xxx
7 F+ w* G& D2 Zpermit any 1797 j' h) p! \9 w. \
permit 179 any
7 ~5 K& Q u# [2 Ppermit gre
I4 w4 Y8 k: |2 M0 L) ^, jpermit esp1 L T n: `1 T. r8 @
; `- b; C" w! waccess-list 101 deny ospf
! g" u) \% L" P2 a9 i; Ideny...
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t' w2 `5 w% g8 k6 l4 g9 @$ lwhich two routing protocl can pass
7 X2 q& `5 V D, S. i8 Q& z- mBGP
& D. b& ?/ k2 O2 p4 j9 o) r% COSPF
( J% u/ N2 T: z P7 k/ j: ~EIGRP
/ t3 Z* F5 L+ R8 G1 L9 }. Z" dGRE
$ P; ~3 Z3 {6 p! YESP9 u0 r; W( B2 ]* Z
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●NEW
1 A" ?/ u: w9 k! e0 Q0 r; @#show run
7 C9 ?) n& ^" G! J: Nusername admin password 1098D10321# a! q0 }& \" b' B% b
enable secret xxx0 L) n0 N |) F- R0 V" R) q7 \
...
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Q:reversible encrypt4 H+ F* W' L. h7 h
0 P7 N# T' s: I3 Oa.local credencial
8 Y5 E8 s3 s# v7 D* \5 `b.enable sercret, y3 x9 W+ j6 I+ ~7 l
c.
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●NEW: b% o( T! L7 s; g& ^3 v) S( ~
Client1(10.10.10.10/24)---(Gi0/1)ASW1===DSW1===ASW2(Gi0/1)---Client2(10.10.10.20/24)
0 {3 J# h% {% h3 G$ h2 B9 hQ:client1 & client2為什麼不通?7 ?/ S, P/ Q8 h, m5 Q
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a.ASW1(Gi0/1)與ASW2(Gi0/1)不同vlan9 [( u- D3 u4 k! T- I: e3 K
b.client not the same subnet
* m- b! q9 j" D" i9 zc.DSW1 no routing
4 g+ Z o5 L# m: N3 |; cd.port-channel not bonding
b$ k, ~6 i. @$ g' t! O
+ S. r- K2 p6 r! d, |0 I●NEW, 考manage plane protection
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interface GigabitEthernet0/2. D8 t Q- Z% B2 `$ S9 x7 u' a o
ip address 10.10.10.20) Y7 {% ?4 ]3 ?: J
4 {4 S9 _6 U" Q sinterface GigabitEthernet0/3
) C1 ?+ s0 j. w) [ ip address 10.10.20.20; I- t* s4 h* o2 {) W8 n! i) L8 u
# v0 |6 M& d1 q" w
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Router# show management-interface
' u) ?3 C) |1 j3 z6 n' L( `2 g Management interface GigabitEthernet0/2# O0 Z0 P3 Z* B, q9 G
Protocol Packets processed1 n ]+ h* x8 M( c
https 09 v6 P) S6 Q V% Z+ G4 N
2 [1 r+ p r0 d. x" {5 F Management interface GigabitEthernet0/3
6 V7 _" l- k9 V d& Z- }) Q Protocol Packets processed
. ~" U/ i/ Y- z$ o0 I http 0# c( @! B, O+ r0 I- d
ssh 0& h, ?0 x) z) N1 x& ?
snmp 0
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. f8 R" \2 v: J# G0 o l$ q5 xQ.how can ssh connect success之類的,答案我也是憑印象拼湊的
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ssl -l v2 cisco 10.10.10.208 H$ Z, b0 j8 {5 X0 @5 N& p
ssl -p 23 cisco 10.10.20.203 m: g7 y: x z" Q6 B
ssl -l v2 cisco 10.10.20.20
% t: [7 q! m1 v' qssl -p 23 cisco 10.10.10.20
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7#
2019-4-21 20:17:35
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