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助理工程师
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经历了两次300-101 考试，第一次780 第二次895，题库覆盖大概95%，有些错误题。
$ {1 B' h; K" q! G% \; H; ? [QUESTION 228# @1 j. k4 B) q" z) y* p
When unicast reverse path forwarding is configured on an interface, which action does the interface# a5 T7 f) V, Z) r
take first when it receives a packet?& V$ O/ A: S3 k2 g- V
A. it verifies that the source has a valid VEF adjacency. f4 n8 ?& \/ ?7 Q9 O! A/ l
B. It checks the egress access lists.
! f4 P/ Q% D- b% ^3 i3 v2 uC. it verifies a reverse path via the FIB to the source.
4 T+ N }( n$ M: vD. It checks the ingress access lists.
3 p8 ^$ q( g( m& @. lCorrect Answer: C6 C+ A3 \3 D! X2 G
; @3 W [; s; }; P
QUESTION 202
$ Z1 f2 U; W) q/ |When unicast reverse path forwarding is configured on an interface, which action does the interface
) O o; Y! U+ m" Q; {9 u; Itake first when it receives a packet?2 E @' t: v* C4 L
A. It check the ingress access list
5 ]6 z# w9 j2 Z0 gB. It check the egress access list
) k' Q% O5 B" Z& SC. It verifies that the source has a valid CEF adjacency5 S- @+ ]% Y& z5 x0 ~1 J; e$ _
D. It verifies a reverse path via the FIB to the source
+ Q8 E% Y9 Q! e' n% m( o7 ^6 W; YCorrect Answer: D
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. H* u# H9 s6 y3 z; A6 A- r# OQUESTION 222
, W, }3 l# B: x# p: C9 dWhat’s uRPF checking first when the packet enters the interface ? or when unicast reverse patch2 k' B) I0 F. @( n4 }/ {5 a3 d
forwarding is configured on interinterface.
$ b! f T. W% _+ `A. it check the ingress access list
& \6 n: m) |6 a6 \B. it check the egress access list
; U! H8 ^ _: \$ w. j' eC. Route available in FIB ot it verifies a reverse patch via the fib to the source$ T# ]4 L ~# A0 x
D. it verify that the source has a......
+ n, H" p% {# y, U" R, l+ KCorrect Answer: D
& ~' z# ]) D/ r7 M% u上面三道题都是一个答案。$ J; P- }" ~5 D" ]; [/ S
4 D3 |4 J$ j4 _QUESTION 2297 I y* g% A! X. D3 J4 ]& u
Which command instructs as a PPPoE client to obtain its IP address from the PPPoE server?
) S- E4 x9 j x7 r- z v3 KA. IP address dynamic
* c6 o( O) n3 C) a, x8 ?' _. ~B. ip address negotiated) B, J; r: T ]% b7 T! T/ X
C. ip address auto negotiate.
6 p5 B& }' b" a6 A0 {5 S( f0 oD. ip address DHCP
/ |* r- f% s( X& p* w. i' ECorrect Answer: B
* U9 S0 |9 Y; {
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QUESTION 203
) x6 W1 u" O2 j4 yWhich command instruct a PPPoE client to obtain its IP address from the PPPoe server?
4 \5 a8 \8 E+ ? DA. Interface dialer7 @* ?" Q, H2 ~( A& k
B. ip address negotiated- _8 Z+ r/ y! n5 I
C. pppoe enable
& g6 [( X+ \$ b( \( c/ TD. Ip address DHCP
5 m. C# x5 h; d# \E. Ip address dynamic
. R. D$ ]# Z; e' F! cCorrect Answer: B
% r/ }- c( E9 x$ H: _' J' H6 {上面两道题都是一个意思，都选 ip address negotiated3 n! B5 I, u- V1 S* X9 T* S
QUESTION 211
; ^: J# a9 ?; P: [7 Ithere is a choice on flow…..a customer what …..i dontremind well (choose three)
3 t. ?8 P1 s2 g* Y2 x" {% r8 wA. PMTUD d* e6 N* Z" W" Z- e) ^& r
B. MTU
/ `7 I: V5 u8 I& s4 g3 N! NC. IP MTU4 K8 t8 w$ a+ c4 W. Y7 N
D. http://bbs.hh010.com/
% X; Y4 j6 q& ^9 [% w; i- m
! c6 @0 f' [1 a/ V) b0 c7 A+ E) PQUESTION 220/ j( r( E9 Z c7 y' m, ^! u- L6 ~
Two GRE sccenarios for preventing(Choose two)2 b0 G6 O7 H- [# Y
A. TCP MSS
8 G( Z8 o, N1 F9 c( {1 K8 KB. DF Bit
. T5 P. W* B9 {( M0 V9 i# nC. http://bbs.hh010.com// s, U- L7 r5 M0 Q# r0 D
D. http://bbs.hh010.com/4 D1 l& l9 O ]
4 H! v9 Q) Y; ^# W) t+ ?) M
QUESTION 2230 r9 l$ P' Y6 a) H
Two scenarios for preventing fragmentation on GRE tunnel(Choose two)
4 e+ o- N. X: s( V6 v- R9 @A. TCP MSS, _; d. s0 ]6 \. L
B. DF Bit Clear
( d. h: ]0 @4 N% f/ ~- VC. IP MTU
2 R' R( o. ~- `2 N* r# \D. PMTUD! C2 f- g0 B' K& q& f# Z
E. http://bbs.hh010.com/& S, ]2 E M; a) Y
F. http://bbs.hh010.com/$ M! d# r1 f/ n2 I3 k( n. M. | u
上面都都选 TCP MSS PMTUD
6 G, R% A' Y$ E2 d考试是选两个7 P8 _% V, [6 Z4 c' a
QUESTION 138
4 s- e, Q, ?# TOther than a working EIGRP configuration, which option must be the same on all routers A5 Z1 _& M6 c q' n
for EIGRP authentication key rolleover to work correctly?
@, ~9 o' p; o6 n F' F+ SA. SMTP
. A% B, _! ] w; Z: b; D. u/ H3 LB. SNMP
& S$ }3 f* i8 DC. Passwords
d% O) u9 N) T% L" B( K9 l _D. Time( f5 `) L3 g9 S6 C1 o
这道题选D6 F" c) ^. I7 h ^# D, b
" t# g8 F" K. Q% S; z5 O2 j+ MQUESTION 135
9 ?9 v+ }- R7 N3 gRefer to the following configuration command.
* ~0 ? N- q! orouter(config)# ip nat inside source static tcp 172.16.10.8 8080 172.16.10.8 80
8 I- @, s9 I/ {2 ?9 q9 ^, p' tWhich statement about the command is true?
- p0 g) s( K+ k$ C
Q4 c+ \5 ~% eA. Any packet that is received in the inside interface with a source IP port address of, A7 {* b7 H2 T1 S" g4 H6 e
172.16.10.8:80 is translated to 172.16.10.8:8080.) {5 ~6 B( o$ y6 y j$ ?
B. Any packet that is received in the inside interface with a source IP port address of
1 l8 A1 h6 U! O$ y8 }2 S172.16.10.8:8080 is translated to 172.16.10.8:80.0 G. w" j; `: F q! m
C. The router accepts only a TCP connection from port 8080 and port 80 on IP address2 Z; _' f4 V: L# z1 ~3 i" }
172.16.10.8
# q, x: Q7 [% p2 ?& tD. Any packet that is received in the inside interface with a source IP address of 172.16.10.8/ f) A! C Y, j# f4 M, K. Q9 E
is redirected to port 8080 or port 80.6 ^3 o# b) l( H9 |
1 n$ Q% B( J) O- J' U. xQUESTION 219
0 i1 y! {4 a5 YRefer to the following configuration command.. c* _/ P3 L" Z" g3 v
router(config)# ip nat inside source static tcp 172.16.10.8 8080 172.16.10.8 80
+ H2 A/ u$ |+ j9 Z* fWhich statement about the command is true?
7 c5 M3 f5 H; F+ `+ DA. Any packet that is received in the inside interface with a source IP port address of 172.16.10.8:80 is
8 q, H7 K) j. d1 F: htranslated to 172.16.10.8:8080.
( p3 s( j0 v3 _3 MB. Any packet that is received in the inside interface with a source IP port address of 172.16.10.8:8080 is& q' J% K) D' D/ `
translated to 172.16.10.8:80.
- a j# r# Z! s+ f9 e5 VC. The router accepts only a TCP connection from port 8080 and port 80 on IP address 172.16.10.8
% m0 v4 E- W0 m- w' F- L ~D. Any packet that is received in the inside interface with a source IP address of 172.16.10.8 is redirected
0 } C m/ Y6 v( f8 x! Tto port 8080 or port 80.
8 ~3 o/ C( y1 g. f- ?. Z上面两道题都选translate 800到 80& ], B6 Q4 n& _
* u2 L) d0 A$ q; L4 V" I1 G1 q: B6 K这是题库里错误的题
$ R5 Y) E! `5 @0 T! m有大概7-8道没有见过的题，很陌生，我都是根据自己的理解选择的。
" _9 s$ V5 e# A U s3 l拖图全考，pap chap 反选
7 n2 Y2 c# M& L实验题还是5道题。OSPF Case 第二题选A，其他和题库一样。ospf ID area 号有变化。重分布注意DLY要除以10。1 H1 n# s2 G' G2 ?
其它都和题库一样。大家多背题库可以过的。
7 X/ _! M( ^4 S7 dCCNP已经全部考完，等证书了，感谢客服5，感谢闫辉老师，感谢群里的朋友，祝大家考试顺利。
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发表于 2017-5-3 17:06:45
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发表于 2017-5-3 17:13:03
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