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Cisco CCDP 642-892认证信息

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发表于 2009-2-20 17:30:09 | 显示全部楼层 |阅读模式
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1. Refer to the exhibit. EIGRP is configured on all routers in the network. On the basis of the output provided, which statement is true?3 L3 P. U2 D6 m8 b) C

/ T) F/ e; y% z  n! W/ k1 c/ G; AA. Because the key chain names do not match, router R1 will not be able to ping routers R2 and R3 .3 n5 ?% I" T7 w3 @7 D
B. Because the key strings do not match, router R1 will not be able to ping routers R2 and R3.# I" M; \. P: l0 L9 A5 Q* }
C. Because authentication is misconfigured on interfaces Gi0/0 and Gi0/1 on router R2, router R1 will not be able to ping routers R2 and R3.4 {7 i% x3 u9 ^- j
D. Because autosummarization needs to be turned on for EIGRP on all routers, router R1 will  not be able to ping routers R2 and R3.% l2 Q# k* m6 S+ M+ p* J/ U
E. Router R1 will be able to ping routers R2 and R3.) p  G& N" ]4 K& y. x( m% ?2 ~# ]
Answer: E
2. The switches shown in the diagram, Core and Core2, are both Catalyst 2950s. The addressing scheme for each company site is as follows:* k+ N6 L+ M& [) v
Router Ethernet port - 1st usable address+ f5 Y1 A4 j( i4 z3 _8 W
Core - 2nd usable address
1 w! E4 a. d2 E3 jCore2 - 3rd usable address
1 O$ e. {0 C& p* [For this network, which of the following commands must be configured on Core2 to0 t6 `  }5 |0 p, Q
allow it to be managed remotely from any subnet on the network? (Choose three.)% W% c4 {* Y. u8 q
, G: a# C# e8 N3 n+ v- ^
A. Core2(config)# interface f0/0/ N1 c( B+ B- v" X( ]7 w
   Core2(config-if)# ip address 192.168.1.10 255.255.255.248
( P8 h1 S" i! qB. Core2(config)# interface vlan 1
" B* n- h: S) K0 u+ E) \   Core2(config-if)# ip address 192.168.1.11 255.255.255.248" ]/ T1 W& M% y  @3 ^6 Z1 x( `
C. Core2(config)# line con 0
4 V% {6 H; `, e: h* F   Core2(config-line)# password cisco
) f3 w- A0 Q, J8 J: }  F1 sD. Core2(config)# line vty 0 4
8 r/ f: ?% h: d$ e   Core2(config-line)# password cisco! n* Z' u' q: I$ X: K7 M! \! R
E. Core2(config)# ip default-gateway 192.168.1.9
1 z+ ^9 F, ^9 lF. Core2(config)# ip route 0.0.0.0 0.0.0.0 192.168.1.8& ?2 s! a6 j, k6 t
Answer: BDE
3. Which statement is true about IPv6?
+ A; |% i, H5 j; ~+ t& MA. Only one IPv6 address is assigned per node.
6 C4 M! j% `9 u' g! S5 m' n1 ^B. Only one IPv6 address can be assigned to each interface.' I9 O, I( ?9 p" U
C. Each host can autoconfigure its address without the aid of a DHCP server.( J# ^( e7 P8 m2 l" k
D. IPv6 hosts use anycast addresses to assign IP addresses to interfaces.$ B5 m$ [& v3 F4 u
Answer: C
4. Which two features or capabilities are valid options for both an Autonomous and a Lightweight WLAN solution? (Choose two)
: }7 P1 v7 ^- X/ z# N1 eA. use of a Cisco Wireless Location Appliance for location tracking0 ~5 Y! q& k# o! z; V0 _. H9 F) b
B. use of Cisco Secure Access Control Server (ACS) for security2 i6 u4 ?& c: S6 o. D- u
C. Cisco Wireless Control System (WCS) for management
6 e% `& _; W/ v3 a% W# b9 y3 \D. PoE capability
& i* C2 r; s  P) h# FAnswer: BD
5. Which three statements are true about EIGRP route summarization? (Choose three.)+ k' E6 N( c3 ^4 K/ V% K' X- Y
A. Manual route summarization is configured in router configuration mode when the router is configured for EIGRP routing.. L$ U5 G  m6 q0 H* m) \
B. Manual route summarization is configured on the interface.
$ `" b) W) t- t  r) MC. When manual summarization is configured, the summary route will use the metric of the largest specific metric of the summary routes.' V5 ^2 b. ~5 n0 X! C5 F) M- U6 r
D. The ip summary-address eigrp command generates a default route with an administrative distance of 90.3 J( @4 L0 V; L" T* f
E. The ip summary-address eigrp command generates a default route with an administrative distance of 5.' T2 p8 U" R2 @* Y: q5 i
F. When manual summarization is configured, the router immediately creates a route that points to null0 interface.
6 y  u2 J, U' {. ~0 W0 N4 BAnswer: BEF
5. Which two statements about the IS-IS routing protocol are true? (Choose two.)' @8 B+ x$ ]$ i9 m
A. IS-IS is capable of supporting IPv4 and IPv6.
9 |$ z* {' D8 iB. IS-IS is only capable of supporting IPv4 and CLNS.
# r4 U% m! n# ]/ P1 y" iC. IS-IS routers use ES-IS hellos (ESH) to establish and to maintain neighbor relationships.# ]9 `8 q. w$ F# `  r! ~' u% r
D. IS-IS routers run the Bellman-Ford algorithm against their LSDBs to pick the best paths.
# I' D8 }, \- t3 e1 n4 {8 ]+ ]/ E; LE. Level 1 routers learn about paths within the area of which they are a part.
3 m& t+ _) e1 }4 [0 wF. Level 2 routers learn about paths both within areas and between areas.
+ c; p8 a  @( M% j* UAnswer: AE
6. Which statement is true about Layer 2 security threats?6 b$ j: J* }; \$ L8 v
A. MAC spoofing, in conjunction with ARP snooping, is the most effective counter-measure against reconnaissance attacks that use dynamic ARP inspection (DAI) to determine vulnerable attack points.
; U( I6 ]( v) f% m5 ^B. DHCP snooping sends unauthorized replies to DHCP queries.( I' a9 q7 H( V0 `! X: Z& B  H; n
C. ARP spoofing can be used to redirect traffic to counter dynamic ARP inspection.
# `+ [, |9 |4 T6 o) ~& G! oD. Dynamic ARP inspection in conjunction with ARP spoofing can be used to counter DHCP snooping attacks.
. p8 J# ~* d/ o4 SE. MAC spoofing attacks allow an attacking device to receive frames intended for a different network host.
$ U8 J! _! S. R- I3 ]1 r* Z8 wF. Port scanners are the most effective defense against dynamic ARP inspection.
; c0 I# V; ^- g) _& aAnswer: E
7. Refer to the exhibit. A network administrator has configured DHCP services on the router as shown. DHCP clients connected to the FastEthernet0/0 interface are working properly. DHCP clients connected to the FastEthernet0/1 interface are not receiving addresses. Which two statements contain recommendations that will solve the problem? (Choose two.)- ~1 `  q9 k$ V

7 D! k$ ^5 J4 X7 H( oA. The ip helper-address 10.0.0.1 command should be issued so that the address can be added to the FastEthernet0/0 configuration.
3 E0 s- H2 X* ~( a) U0 E, b, ]1 QB. The ip helper-address 10.0.0.1 command should be issued so that the address can be added to the FastEthernet0/1 configuration.
! V# _# G8 D& AC. A second DHCP pool for network 10.10.0.0/24 should be configured./ ]2 o2 Q5 M1 M2 l8 a1 R
D. The network shown in the output under the ip dhcp pool Central command should be changed to network 10.10.0.0 with a mask of 255.255.255.0.; o( [! X0 N9 g% ~1 @
E. An ip dhcp excluded-address global configuration command for network 10.10.0.0/24 should be issued.
5 o1 K' g! S, K' _& }Answer: CE
8. Which two statements about WLAN components are true? (Choose two.)
$ L) @, M& z1 G9 @0 WA. Cisco Aironet autonomous access points cannot be supported by the Cisco Unified Wireless Network.1 J& M6 o  W' s4 m0 h! t, @
B. Cisco Aironet lightweight access points cannot be supported by the Cisco Unified Wireless Network. . S' |4 c6 ~3 S5 V& i# y2 V
C. In the autonomous access point solution, control is provided by the Wireless Domain Services (WDS)." a4 M4 K1 Q4 ]' F: ^
D. In the autonomous access point solution, control is provided by the WLAN controller.
  c/ D7 @& `. E5 h! P1 h" p% y. AE. In the lightweight access point solution, WLAN management is provided by the WLAN Solution Engine (WLSE).
  h9 q) b8 J+ r% {. _2 AF. In the lightweight access point solution, WLAN management is provided by the WLAN Control System (WCS).$ x* z2 H3 R# L2 O4 h$ @. K
Answer: CF
9. Which command will display EIGRP packets sent and received, as well as statistics on hello packets, updates, queries, replies, and acknowledgments?. R' t$ ]/ J/ _/ B5 k# o# V6 z
A. debug eigrp packets
4 ]0 i+ ~3 A+ b) W# |; JB. show ip eigrp traffic9 ~+ b2 D% c& g
C. debug ip eigrp
! f1 r: Z, q, r0 L: U" CD. show ip eigrp interfaces% m' M0 s- T8 B
Answer: B
10. Which three statements are true about implementing Cisco wireless LANs? (Choose three.)0 K: M, S( s* K1 {7 @0 V, X
A. LWAPP allows encrypted communication between lightweight access points and WLAN controllers.
6 U$ A# t& r- W3 R9 v& PB. The WLAN Solution Engine (WLSE) is used to control lightweight access points. / `3 m7 v0 Q2 g' N" \
C. Power over Ethernet (PoE) is only available when a WLAN controller is integrated into the network.3 Q$ K6 h3 \8 [' B/ X# t  k  I
D. One of the advantages of the lightweight WLAN solution is that the devices act independently./ @' D2 ?% s9 W6 S% u+ Y6 t7 c
E. Antenna power is a relative value reference to dBi.0 B5 j7 G+ G! b: j$ m( J# j
F. Characteristics of antennas are directionality, gain, and polarization.
3 N) F0 T; u$ Q- SAnswer:

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