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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。
8 m" n; N) Z5 s+ BQUESTION 2288 z4 p) a& X: n5 i
When unicast reverse path forwarding is configured on an interface, which action does the interface
+ _* g4 [: @7 i" `7 u- a: ~' |take first when it receives a packet?/ d% s* `! u$ C9 D1 X! o" l
A. it verifies that the source has a valid VEF adjacency.2 T A e! I K0 V5 M, T
B. It checks the egress access lists.$ e, Q, w/ k1 y$ N% u. U! q
C. it verifies a reverse path via the FIB to the source.* b! B0 u+ G2 |6 q5 K) _
D. It checks the ingress access lists.$ ^! ^) A# h7 X, A3 t- A
Correct Answer: C( I4 W2 R j! ?: E3 C; s5 z/ `; ?4 g# Y
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QUESTION 202
3 q; m3 I1 ]5 N% O* CWhen unicast reverse path forwarding is configured on an interface, which action does the interface 5 N- x6 g. y% k1 a4 K- [% b1 f
take first when it receives a packet?
4 F/ P* E: D! m; C9 C& ~A. It check the ingress access list& A) j; t1 {1 W. I9 w8 n" j$ k" L
B. It check the egress access list
9 p5 R- F) w/ d6 X# ?C. It verifies that the source has a valid CEF adjacency" Z4 f/ }' F# F
D. It verifies a reverse path via the FIB to the source$ y# _8 Q+ S* K0 y& O' i% h2 v9 ?
Correct Answer: D0 C. k5 o: p. W+ M% F
, ?! M, y- L4 H+ N
QUESTION 222' q+ C* y7 A1 r$ v- `8 t1 m2 X
What’s uRPF checking first when the packet enters the interface ? or when unicast reverse patch
; }$ W. Z s4 m% G+ G' S& wforwarding is configured on interinterface.
! Y0 U* ^8 G4 r3 i& J: B- H. YA. it check the ingress access list- R/ u$ t' p. M
B. it check the egress access list, Q: {3 r i% _; k% X6 N) \( |" A
C. Route available in FIB ot it verifies a reverse patch via the fib to the source# m& N2 ^0 k f* I5 n2 n# C' r; G/ d
D. it verify that the source has a......
g8 V0 H3 ~) `( V8 LCorrect Answer: D
8 f% Q& ] I; q+ q1 S$ M上面三道题都是一个答案。
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QUESTION 229
' V% u; D+ L1 C8 j, ^# h& |% q5 Q6 MWhich command instructs as a PPPoE client to obtain its IP address from the PPPoE server?
* ?; h8 \% W1 G% DA. IP address dynamic
5 r& [8 _) q0 Y: t' DB. ip address negotiated0 Z8 U+ R) @ B3 D+ @
C. ip address auto negotiate.
5 q7 M2 X- u* n1 n# G! BD. ip address DHCP3 M6 R/ D9 m3 S+ J- f5 `9 L& f
Correct Answer: B# p! S" ]" W7 y K, z
+ u: H+ K+ T% r$ ?
# w8 @) n6 \/ x3 LQUESTION 203
; ?2 r+ H; e- `8 t% ~0 uWhich command instruct a PPPoE client to obtain its IP address from the PPPoe server?
) J2 M) p J# F. S" MA. Interface dialer
' s3 s( @# h: V- U& f4 z/ _+ c2 sB. ip address negotiated
6 U9 q, D' t8 s7 fC. pppoe enable
- q8 B' k& ]$ a; c2 }4 y; qD. Ip address DHCP
7 d/ L# L, c) QE. Ip address dynamic
& k9 ]4 C+ C) ?Correct Answer: B
c s% `$ r6 U/ m上面两道题都是一个意思,都选 ip address negotiated, G. A' L/ m* c$ J* L! a( @
QUESTION 211
1 g$ X+ P$ D/ O/ Wthere is a choice on flow…..a customer what …..i dontremind well (choose three), c0 h- P# {9 C
A. PMTUD1 j4 {; K0 L4 e$ }4 I
B. MTU+ a+ h7 c7 \2 d3 b+ x: O1 k: U
C. IP MTU
2 F% p; G( j" t% H5 l; z; XD. http://bbs.hh010.com/5 t* h4 f" }8 d3 {5 ]. U
7 p% ~3 c$ X/ X. E
QUESTION 2205 u8 `( A7 K8 n9 _& Q8 g6 S' l
Two GRE sccenarios for preventing(Choose two)
3 k& r* q+ Q3 a% D6 ?A. TCP MSS7 d# A: r7 R8 z
B. DF Bit
) j/ O/ s0 j% ]/ bC. http://bbs.hh010.com/( Y" ]& _) a6 N
D. http://bbs.hh010.com/
6 s O+ V: D2 X) T) _ }: v) V3 ^; P8 J( S& c# v! x! V# N$ ?5 g8 T
QUESTION 223
. r: K1 A B/ ]Two scenarios for preventing fragmentation on GRE tunnel(Choose two)* m' ~/ k* G. Q6 M
A. TCP MSS
) j. e. [7 m, r3 r) wB. DF Bit Clear
8 X$ N5 X7 v- G# N8 @1 x( TC. IP MTU
4 T$ Z0 q3 E' A/ b* dD. PMTUD5 u9 u1 u$ |. {6 e* k: R
E. http://bbs.hh010.com/# o' }% Z' l& y! j- N+ {
F. http://bbs.hh010.com/8 j' E' F; u3 @- W; P
上面都都选 TCP MSS PMTUD
, C% u. u" X$ v" b/ q" T" b考试是选两个
2 T: ]4 z8 H& B3 H5 o0 }QUESTION 138
3 j7 T# c8 k; o1 ?Other than a working EIGRP configuration, which option must be the same on all routers/ D, v9 T0 `0 t5 O% v& R: w [7 N1 r
for EIGRP authentication key rolleover to work correctly?
' A$ C6 L: Q! N* {) x8 I. o6 oA. SMTP* ]. A! m1 M) H& n3 o9 l
B. SNMP& C- `# _* H# V: @& m
C. Passwords
7 z" I; X! I" G# \* k; d7 G! ~D. Time
* Z, V' Z, H0 M! Y+ ]# Z这道题选D4 w! k) l% d U; d( s" k* S: a
% Y# u3 _" |( O/ ^ Q& n/ F
QUESTION 135
$ B: U. u! T7 g& B0 {6 [Refer to the following configuration command.8 q% [0 H- G* r5 K
router(config)# ip nat inside source static tcp 172.16.10.8 8080 172.16.10.8 80
9 a2 M) r! b$ c7 bWhich statement about the command is true?
- z$ `$ U- b1 S3 q1 T8 _ [% c/ S+ T3 v* T5 J! N# h1 I
A. Any packet that is received in the inside interface with a source IP port address of& I1 D* S o7 q0 _' O, H' ^
172.16.10.8:80 is translated to 172.16.10.8:8080.+ ^+ U! `/ f2 Y4 r( V# g
B. Any packet that is received in the inside interface with a source IP port address of
1 n) a p, f9 v4 Z4 T172.16.10.8:8080 is translated to 172.16.10.8:80.
" p3 u; e- H# j. JC. The router accepts only a TCP connection from port 8080 and port 80 on IP address4 T; ]4 g* m( v
172.16.10.8
" X: h" s/ P- H/ a7 [D. Any packet that is received in the inside interface with a source IP address of 172.16.10.8
( o1 u$ g% {+ }) _" ~. N4 x6 Qis redirected to port 8080 or port 80.$ X3 g# ?' h! k! Y& R- {6 D
7 ~& X1 S; b) |6 HQUESTION 219
5 e' r( @- B- x) dRefer to the following configuration command.! k$ D" v5 V0 B. E' _' S
router(config)# ip nat inside source static tcp 172.16.10.8 8080 172.16.10.8 80! ^" U" {$ J- ^/ @/ o! Y% c* j+ ]
Which statement about the command is true?1 x1 h* t! G* L5 a
A. Any packet that is received in the inside interface with a source IP port address of 172.16.10.8:80 is2 E" _3 h! q& j+ G7 [( c P- @
translated to 172.16.10.8:8080.$ q/ c7 w6 _- G
B. Any packet that is received in the inside interface with a source IP port address of 172.16.10.8:8080 is6 J5 f$ V) Y8 |6 {/ |( w5 s$ W
translated to 172.16.10.8:80./ W. ]4 e$ O- n) X* O
C. The router accepts only a TCP connection from port 8080 and port 80 on IP address 172.16.10.8
" `' H X9 D9 ^D. Any packet that is received in the inside interface with a source IP address of 172.16.10.8 is redirected" c ?7 [' }9 ]0 G9 }7 T6 R9 Y
to port 8080 or port 80.$ P# Y7 W+ L1 r0 n4 T$ E* Z* l# }
上面两道题都选translate 800到 80! B& \6 N' B6 m: ?! |" G
- Z J' t3 Y8 v! {( @4 }这是题库里错误的题% ^# c U8 r9 T% W. |
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。
3 p ~! O! N. u拖图全考,pap chap 反选; P7 R. x3 F0 K7 f0 { J
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。
3 X" E$ j1 ?2 |; [" C4 ]其它都和题库一样。大家多背题库可以过的。7 G8 y# ?& J' ^# R, J
CCNP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。' F$ H# `9 z$ x
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