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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!2 `4 K- @4 H0 Y% P- L U
/ N2 k2 X, O/ V' _# z1 d( o- I2 p" Y# mQUESTION 3+ o* X/ _- v% e. C0 ^* J
Which adverse circumstance can the TTL feature prevent ?
1 h4 z$ T0 S! p. j9 V8 iA. routing loops8 H% u+ P# b7 O
B. DoS attacks7 X3 {$ o) B1 d# S1 b+ C& }0 O
C. link saturation
& H1 X! y9 ?9 y& B+ l7 bD. CAM table overload0 L' g! Y/ E2 Z2 Z3 i& e$ R4 ?" u
9 {8 W3 Y2 u A: X/ ]9 V9 f* g4 R正確答案應該是 A 還是 B?" Y. ^% _! t; \. O
4 e/ c/ D) H! [+ L8 e: I/ J
QUESTION 586 K3 l6 b* O4 o3 U3 r
When OSPF is forming an adjacency, in which state does the actual exchange of the information in the link-state database occur?
3 G* \3 S" a. bA. INIT
! \1 L0 Q; c5 \$ z- VB. loading
: p B. k1 l. `2 Z6 XC. exstart% A0 u% E! i" X1 c1 Q* r. q) A
D. exchange$ G* _6 K- k* I1 x u
! w' Z# ]/ o# \正確答案應該是 B 還是 C?! R' a2 J+ g8 m0 I
1 u2 b' E3 j6 G j% f7 }QUESTION 134
# ]/ U) Q! h& W0 W* L4 HRefer in the exhibit.
5 v# H6 u( A j" y7 C( ^1 y: yinterface FastEthernet0/0
" k" |, K( I- B/ i* J8 X0 Oip helper-address 192.168.145.5: t4 m. n/ E. i4 |/ S* D
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?
+ g0 Z4 d" f5 E; X3 \A. ip helper-address
0 g, ~& `) P, u" ^6 T: p h% XB. ip DHCP relay- i0 e$ ~- j, ^: r' Z
C. service DHCP
' W# K9 _2 H: |D. ip forward-protocol
/ W2 L2 d" l/ e# O. U" ]. ]
/ _6 ^: K) Y5 Q) G' N正確答案應該是 A 還是 B?
. r7 S- M, D3 B0 D. A9 i$ G0 k& P* Q1 v3 `8 C; Q
QUESTION 151 h5 z+ D1 g6 D$ W) x# u O
A network engineer is enabling RIPng on a new customer link Under which configuration mode is RIPng enabled?
$ Y3 r, P7 K8 M0 l1 GA. Global
( E2 {2 }7 |7 g: Y9 ^B. Router
# e! Y H% R8 l9 |: i% vC. Interface
9 L# X& h/ M/ a {6 k+ S* l8 jD. IPv6& ~: F+ _) i& m [$ `2 I( M
I' f1 ?8 Q- h0 V正確答案應該是 A 還是 C? |
19#
2018-12-29 15:38:47
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