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初级工程师
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发表于 2018-12-29 15:38:47
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小弟對於以下幾道題有些不了解,想要請教一下各位。先謝過了!4 ]6 p1 E# U q; ]- n; \4 D
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QUESTION 3+ l3 n ~3 ^3 D7 y
Which adverse circumstance can the TTL feature prevent ?' N; Z, A. V- H! X6 ]% X
A. routing loops
. z O" q1 u* Y1 ]8 W( FB. DoS attacks' x% ~ [' z: l( y( @
C. link saturation
& n8 S% x; M5 S% ^D. CAM table overload4 [( g& H, E. A% f; j0 A
7 ^1 T( E* z( ^( p; B( y) B
正確答案應該是 A 還是 B?% b2 l3 ] W, ^( `4 N+ l
' U8 s0 q2 _, e% H1 k5 ?' Q0 mQUESTION 58
, o5 y( d" J a* o7 F% uWhen OSPF is forming an adjacency, in which state does the actual exchange of the information in the link-state database occur?
+ v6 O0 E0 U. i( H) k+ EA. INIT
/ Q1 q' o# B$ ]( m: bB. loading& Z) L' }4 H ?0 m: U2 N1 @
C. exstart# O1 b7 I0 `3 c7 M1 x& K
D. exchange9 W' C% k& y% M6 Z: f
, x, ~4 D. m# t4 L3 ~/ u# d
正確答案應該是 B 還是 C?2 l% d/ b6 @; C, v2 V/ \1 o
- h `. C# ~' `. C" o5 \) kQUESTION 134% N0 b% h! @* ^% c, `
Refer in the exhibit.
/ N$ |5 x2 \. H$ F9 Jinterface FastEthernet0/0
d. g) R! R _8 ~ip helper-address 192.168.145.58 ]% Z) N/ b/ S# @+ @3 a, t, y
A packet capture indicates that the router is not forwarding the DHCP packets that it receives on interface FastEthernet0/0. Which command needs to be entered in global configuration mode to resolve this issue?
9 D, f4 E, y4 `6 B& j, kA. ip helper-address
" A( Z: _' ]0 ]8 M OB. ip DHCP relay
6 b+ W5 h9 |" Q5 \' ?# fC. service DHCP- A/ o6 l6 u8 s! Q$ F, d% a
D. ip forward-protocol
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n8 a3 f8 W* M1 s3 e正確答案應該是 A 還是 B?0 ~/ z& M$ y& P3 a) R6 ?
" Z5 {, L$ I8 C. D! r1 MQUESTION 1518 j* L7 D( o' D
A network engineer is enabling RIPng on a new customer link Under which configuration mode is RIPng enabled?
; i$ E! r& y/ [* OA. Global
; r8 U& ^, o* x. z. ~5 DB. Router- r% M+ H: J' P4 m4 \+ x
C. Interface
9 U3 C8 ]1 J4 FD. IPv6
; h+ u- Q: b. H# N3 R2 f; E! B, i+ j Q, ~/ v
正確答案應該是 A 還是 C? |
19#
2018-12-29 15:38:47
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