1. What action should a network administrator take to enable VTP pruning on an entire management domain? A. enable VTP pruning on any client switch in the domain ! t# A0 `) k/ |8 q8 J
B. enable VTP pruning on every switch in the domain & R& g' S7 w0 T
C. enable VTP pruning on any switch in the management domain 8 H9 M/ P3 G& s
D. enable VTP pruning on a VTP server in the management domain 1 s5 Q P" O2 E* I# ]( ?; E2 ^$ L
Answer:D2 l, O3 O. q; R+ ^8 `+ f
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2. How does VTP pruning enhance network bandwidth?
7 M4 O* G% r. f8 QA. by restricting unicast traffic to across VTP domains
% _. l, ^) \# T! b7 o- {B. by reducing unnecessary flooding of traffic to inactive VLANs
) J; b: g( i- y" Z7 |1 W: FC. by limiting the spreading of VLAN information
- x$ C& n& E) JD. by disabling periodic VTP updates
% w. f* j3 {% u, H, W, `8 E: iAnswer:B5 w6 h6 o/ \6 M
; t6 j. C! x# R1 @1 e3. In the hardware address 0000.0c07.ac0a what does 07.ac represent? 8 r2 k: V/ n1 U! W. B: g* B
A. vendor code ! w+ m+ T# m" m/ w" j1 _
B. HSRP group number , k3 Q, e) B& H$ \# y9 i& R
C. HSRP router number
+ C) C9 j7 L+ c) {2 P6 e. KD. HSRP well-known physical MAC address
6 E; Z' o8 ?2 O3 D( DE. HSRP well-known virtual MAC address , ?. Y2 v5 h; a# {
Answer:E
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4. When building an IP multicast domain using PIM which mode assumes that other routers do not want to forward multicast packets for the group? . {5 S% U% n& t, [2 s
A. PIM-DM
& ?3 u6 ~5 e4 b w8 B0 CB. PIM-SM `3 d" P- [" |& Q; r: Y$ L& l
C. PIM-RP 9 q0 W0 y7 N! N1 Q
D. CGMP $ L% c) Q3 D+ }
E. IGMP snooping ' f& s; D. o: Y, k
Answer:B
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9 @0 ?0 |2 X m7 q' h: a5. Which statement describes Dynamic Trunking Protocol (DTP) mode 'desirable'? 5 {, l; X( _8 R; [, l
A. The interface is put into permanent trunking mode and negotiates to convert the link into a trunk link. " B$ _; H, Y2 s0 v) e
B. The interface actively attempts to convert the link to a trunk link.
2 I) Q4 \+ M. H6 z0 EC. The interface is put into permanent trunking mode but prevented from generating DTP frames. 5 s8 F' f; x/ |! o! b; n. N
D. The interface is put into a passive mode, waiting to convert the link to a trunk link. F: l1 b. g4 @7 t0 t
Answer:B
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6. Which three statements are correct with regard to the IEEE 802.1Q standard? (Choose three.) + K7 c2 _8 C2 y6 y
A. the packet is encapsulated with a 26 byte header and a 4 byte FCS 6 y3 G" h5 ]+ H' T1 Y7 g
B. the IEEE 802.1Q frame format adds a 4 byte field to a Ethernet frame
; |. K4 m3 e2 j$ P. V0 U1 |C. the IEEE 802.1Q frame retains the original MAC destination address ' a, U! K2 G# _: ^- z! D- X
D. the IEEE 802.1Q frame uses multicast destination of 0x01-00-0c-00-00 4 K9 B8 g2 u" X6 c& ~$ S
E. protocol uses point-to-point connectivity 3 q7 K: y9 z) K3 Z$ t
F. protocol uses point-to-multipoint connectivity - N& R9 L! j& l( d D
Answer:BCE( ]4 ?8 C5 l: j3 O. S" b
8 m3 K5 Z7 N& w1 x7. In a customer's network, VLAN Trunking Protocol (VTP) is running with a domain named main1. VLANs 1,2,3,4,5,10,20 are active on the network. Suddenly the whole network goes down. No traffic is being passed on VLANs 2,3,4,5,10,20, however traffic passes on VLAN 1 and indicates all switches are operational. Right before the network problem occurred, a switch named TEST1 was added to the network. What three configuration issues on TEST1 could be causing the network outage? (Choose three.) % M$ W, o' j& W9 {: P! ]
A. TEST1 is configured as a VTP server with a different domain name. 8 \% X [! E3 q6 a5 L
B. TEST1 is not configured to participate in VTP. / ~4 f" ~& r: J3 B3 N/ p
C. TEST1 is configured as a VTP server with the domain name main1. & J7 C$ i/ X" l) f: \; z- T% u" \
D. TEST1 has a lower VTP configuration revision than the current VTP revision.
3 V0 \1 p* ]2 p3 NE. TEST1 has a higher VTP configuration revision than the current VTP revision. 7 }! G+ p @' d, h3 g& R
F. TEST1 is configured with only VLAN1. - z5 \" m. C6 c' P: y& S- Y
Answer:CEF
* v/ I6 \$ b* x- N( K4 g( a4 r8. What is correct about the BGP synchronization command? (Choose two.)
6 e# \- `- l. a" `/ JA. Synchronization must be enabled when implementing a multi-homed BGP connection to multiple ISPs. $ \+ [, `! ]0 P: {9 r) G* \/ e+ M
B. If it is turned ON, a prefix learned from IBGP neighbor is valid only if a non-bgp (IGP) route exists for that prefix.
* V6 O0 S4 H& r7 D# W ?C. Synchronization is necessary when peering with an EBGP neighbor. . x" A1 L) _* F% w/ j8 w) G
D. Synchronization improves BGP routing convergence. # n9 P- Z W) Q5 z3 o4 X2 ~1 |
E. Synchronization can be turned off if all the transit routers in an Autonomous system running full mesh IBGP.
1 ^$ S. H* u! |1 p8 ^% ~Answer:BE, ~' ]4 }( @3 k8 W5 g, A
" }- O8 _: [# u" S' D0 g5 k1 E4 s c' ]2 E9. Drag the appropriate IS-IS routing term to its correct definition M0 U$ o- m" {0 X$ u
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8 A+ i, E1 i: g0 n2 i" F" X+ c
10. Router RTA is configured as follows:. L& `3 E! @) P' c- @: m( O
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+ i% }; V r3 U4 h- aRTA (config)#router rip9 y8 w6 l4 B6 ^5 y& T
RTA(config-router)#network 10.0.0.0% n7 d( b! u5 U" V2 S+ p' o
RTA(config-router)#distribute-list 44 in interface BRI0
7 u3 p: d" o7 A5 {/ M/ jRTA(config-router)#exit3 V. d+ L, O& r- i+ u& e
RTA(config)#access-list 44 deny 172.16.1.0 0.0.0.255
* k, `( Q: G! A% rRTA(config)#access-list 44 permit any
% M. K* M( I4 F8 A, HWhat are the effects of this RIP configuration on router RTA? (Choose two.)
( }8 @' S; L. ^A. no routing updates will be sent from router RTA on interface BRI0 to router RTX ) k _6 X- q" N8 U8 s
B. router RTA will not advertise the 10.0.0.0 network to router RTX
3 x' U) a1 F. y3 l/ X/ ^0 m9 T7 KC. the route to network 172.16.1.0 will not be entered into the routing table on router RTA
% @3 ^- t* h3 i6 B8 ~D. user traffic from the 172.16.1.0 network is denied by access-list 44
, F, l, W2 b; k- g2 qE. the routing table on router RTA will be updated with the route to router RTW 7 b. g( H2 y. ^& v! y/ y; z
Answer:CE |
发表于 2012-8-3 19:18:10
