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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。
6 |* l+ ]8 @; t* @QUESTION 2281 i" y6 }+ A% V, U, z
When unicast reverse path forwarding is configured on an interface, which action does the interface- w6 K5 Y& p9 ~/ C/ Y" w" H2 E0 V: [
take first when it receives a packet?
' {6 Z$ H2 s. hA. it verifies that the source has a valid VEF adjacency.
$ v3 u- Q, H1 w8 J+ n3 O2 AB. It checks the egress access lists.3 a9 K3 h2 T0 V. U* e
C. it verifies a reverse path via the FIB to the source.3 P8 ^ U1 V! k' m
D. It checks the ingress access lists.9 `" S9 A+ B3 p/ O
Correct Answer: C2 }& j+ m+ s4 |* S; N
: ^4 C; H' E: [+ TQUESTION 202* t# d2 T. [1 x
When unicast reverse path forwarding is configured on an interface, which action does the interface
* b% O4 e- W% q& G8 ktake first when it receives a packet?
" t) y, N' ? bA. It check the ingress access list
9 g: V8 z$ _% z6 E; T+ U* o. aB. It check the egress access list* T* @/ \+ ], F. G, B0 m# R
C. It verifies that the source has a valid CEF adjacency
2 ~- M4 Z3 a! ~+ G2 \2 JD. It verifies a reverse path via the FIB to the source. V( c/ u, b* X& v
Correct Answer: D
- B9 V; J3 F- d- |* z5 E( |6 J# G4 W* D$ B
QUESTION 222* E- e+ P, ^8 F5 O7 T+ o
What’s uRPF checking first when the packet enters the interface ? or when unicast reverse patch' A; p+ o6 ^- _! i4 _$ z( x. y
forwarding is configured on interinterface.
' V6 g4 Q9 X6 G* D/ ?A. it check the ingress access list
+ |# Y" D6 }) ^' }' b& L: ^B. it check the egress access list$ @4 e$ w$ U; ], t0 F, x
C. Route available in FIB ot it verifies a reverse patch via the fib to the source) Z' I, ? V ^3 W6 R1 Q9 e
D. it verify that the source has a......
6 n7 w' H1 v KCorrect Answer: D
, z9 [. ^) z( o. b' a上面三道题都是一个答案。% d3 e* q# l/ F4 I. [' B
/ q2 W( ?% @ X- x% r8 Z+ Z
QUESTION 229
2 u, B" o& ` C6 T* U2 HWhich command instructs as a PPPoE client to obtain its IP address from the PPPoE server?
* u, c+ m- n) D1 eA. IP address dynamic
- l, y, {# j# CB. ip address negotiated: l: K2 K$ I. N5 f4 C) W2 m
C. ip address auto negotiate.
* G* y: N' b4 P( t r, yD. ip address DHCP) f7 c# R0 X0 \, H; o) |* l
Correct Answer: B2 c2 u0 N% T: {& G% P$ |
! @# e; l) W& Z5 q6 c# W
' [# n1 X/ o5 x3 h& b1 d# SQUESTION 203- C! J6 ^% ^! C" c3 W5 ]
Which command instruct a PPPoE client to obtain its IP address from the PPPoe server?
5 S) d3 F* B8 h* _A. Interface dialer% t# e8 I1 ^( s1 o
B. ip address negotiated: ? s G6 E- q+ Y- R
C. pppoe enable
s# @; H4 D# V2 x4 @+ K( B$ J- cD. Ip address DHCP- ]0 s! C3 T3 v9 l u/ ]+ R
E. Ip address dynamic8 R: V+ k* h& l# t
Correct Answer: B
5 p& A+ a2 E$ ?+ y5 |上面两道题都是一个意思,都选 ip address negotiated; I) p6 L1 T" ^
QUESTION 211
0 R1 u8 _. X& E0 c$ ^there is a choice on flow…..a customer what …..i dontremind well (choose three)
9 r* c6 e4 \& @1 eA. PMTUD
/ A% u. @% K6 a2 uB. MTU0 Z( d( i4 h7 l& S
C. IP MTU
. v% f4 [3 O- i& ^7 B" \) n( w6 ]D. http://bbs.hh010.com/
8 y9 y4 s3 A' ?0 |# L: ]' V, [2 l) }! g$ k) f5 X* y! h
QUESTION 220
7 I7 |; j" e- j) _8 M# u, ?Two GRE sccenarios for preventing(Choose two)
m) ~+ |0 p4 [! O: L+ O/ K/ O* G+ Q" UA. TCP MSS
6 [$ C* l, T6 r3 ]# jB. DF Bit
& l0 _7 I/ O- Q: BC. http://bbs.hh010.com/% e5 b. O7 I0 f* I" m5 h
D. http://bbs.hh010.com/1 J; F6 t/ j H7 @9 z ~
' }. j+ I! P7 W Q) N8 k( n
QUESTION 223
# p% ^- O0 A3 _ J bTwo scenarios for preventing fragmentation on GRE tunnel(Choose two)
. ]- S) n4 s+ v; YA. TCP MSS1 J- r% b$ r# o
B. DF Bit Clear! d) m3 f3 g, T: f( X' [
C. IP MTU
; {1 R2 t0 @9 |5 yD. PMTUD
: a- C( o% x; E' ?E. http://bbs.hh010.com/
h% ?3 ?& x% N u, T* y# t9 f vF. http://bbs.hh010.com/! W+ T" M" z- z+ _2 g1 w* d
上面都都选 TCP MSS PMTUD
0 K, j4 W- c8 B( u3 {* m2 B考试是选两个; P2 V; c \, x: E6 l+ Y
QUESTION 138& P7 F) U: S+ l# |
Other than a working EIGRP configuration, which option must be the same on all routers
c! O* d9 {! }- hfor EIGRP authentication key rolleover to work correctly?% q$ E7 U8 T! d( S" Z
A. SMTP
2 u3 }* u" ^2 [3 i# r" @B. SNMP
: y) Y' C) l9 m6 ~3 |2 KC. Passwords
, t |2 A' g) M r- _D. Time( E. _0 F) u& K% k. [
这道题选D! f. b) T4 H+ C) M
; W# F E; F! T9 d
QUESTION 135' _4 H6 N9 }6 V$ ?8 \
Refer to the following configuration command.
% a* H: ?& W4 g ?2 }" Irouter(config)# ip nat inside source static tcp 172.16.10.8 8080 172.16.10.8 80) G% q9 O; _/ t* N# Z0 ?/ M& i1 n
Which statement about the command is true?
: K: d/ ~' m! d" H; _/ |/ d$ c# ]
& G |# Q( ~" M3 @- IA. Any packet that is received in the inside interface with a source IP port address of
7 c& S; e3 A5 c4 Y172.16.10.8:80 is translated to 172.16.10.8:8080.+ Q) ]$ {' e$ a5 @; d N$ |
B. Any packet that is received in the inside interface with a source IP port address of4 @2 I; i' U* c8 u( F- H8 l( l
172.16.10.8:8080 is translated to 172.16.10.8:80.. w+ u, S: k( k
C. The router accepts only a TCP connection from port 8080 and port 80 on IP address
" x. L: _& \8 `+ o. \* E9 @3 i172.16.10.86 i; L$ A) L: U1 ~3 ^
D. Any packet that is received in the inside interface with a source IP address of 172.16.10.8
- @5 d. P( n8 J' S. X& T4 z6 Fis redirected to port 8080 or port 80.
; O& I# V/ X. A* q5 d6 [7 n8 |; R) k7 Y, X7 C
QUESTION 219
! a/ t8 P% O7 x+ CRefer to the following configuration command.
$ @; m: ]8 _. b$ r2 i& G5 o) brouter(config)# ip nat inside source static tcp 172.16.10.8 8080 172.16.10.8 80# M3 T- y/ O3 |" n2 V9 K8 l
Which statement about the command is true?
$ S9 T% L1 G j' _. o2 c2 `5 RA. Any packet that is received in the inside interface with a source IP port address of 172.16.10.8:80 is
7 c8 r3 y+ \* ?# d& `+ T( d& d6 ytranslated to 172.16.10.8:8080.' z) p, z' N& ~
B. Any packet that is received in the inside interface with a source IP port address of 172.16.10.8:8080 is
D6 \7 ?$ l3 B! G. ?# Qtranslated to 172.16.10.8:80.
3 t/ n; ^7 I- sC. The router accepts only a TCP connection from port 8080 and port 80 on IP address 172.16.10.8
* N6 c: \. ~9 z$ `+ L) N, z+ O& v5 _, X( UD. Any packet that is received in the inside interface with a source IP address of 172.16.10.8 is redirected4 k2 J6 f4 x; L- T0 ]$ R
to port 8080 or port 80.
9 O; n6 c* h1 j5 |上面两道题都选translate 800到 809 a, _% p# g/ N1 Q2 ~4 [
2 _5 n! m, r+ R$ a A
这是题库里错误的题/ G; q1 {1 l* J: C/ j- _
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。
* {6 M( l* l- d- T7 `拖图全考,pap chap 反选6 u7 j8 V# `; X: \, w) ?! W
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。( _2 i5 t5 a N% k+ _' K2 Y# x
其它都和题库一样。大家多背题库可以过的。0 i& a+ `8 \( r) K
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。+ n+ W" K" f0 c% U* p
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