ITExamDump에서 제공하는 제품들은 품질이 아주 좋으며 또 업뎃속도도 아주 빠릅니다 만약 우리가제공하는Cisco 642-642인증시험관련 덤프를 구매하신다면Cisco 642-642시험은 손쉽게 성공적으로 패스하실 수 있습니다.
일반적으로Cisco인증시험은 IT업계전문가들이 끊임없는 노력과 지금까지의 경험으로 연구하여 만들어낸 제일 정확한 시험문제와 답들이니. 마침 우리ITExamDump 의 문제와 답들은 모두 이러한 과정을 걸쳐서 만들어진 아주 완벽한 시험대비문제집들입니다. 우리의 문제집으로 여러분은 충분히 안전이 시험을 패스하실 수 있습니다. 우리 ITExamDump 의 문제집들은 모두 100%보장 도를 자랑하며 만약 우리ITExamDump의 제품을 구매하였다면Cisco관련 시험패스와 자격증취득은 근심하지 않으셔도 됩니다. 여러분은 IT업계에서 또 한층 업그레이드 될것입니다.
Cisco 642-642인증시험은 전문적인 관련지식을 테스트하는 인증시험입니다. ITExamDump는 여러분이Cisco 642-642인증시험을 통과할 수 잇도록 도와주는 사이트입니다. 많은 분들이 많은 시간과 돈을 들여 혹은 여러 학원 등을 다니면서Cisco 642-642인증시험패스에 노력을 다합니다. 하지만 우리ITExamDump에서는 20시간 좌우만 투자하면 무조건Cisco 642-642시험을 패스할 수 있도록 도와드립니다.
ITExamDump에서는 가장 최신이자 최고인Cisco인증 642-642시험덤프를 제공해드려 여러분이 IT업계에서 더 순조롭게 나아가도록 최선을 다해드립니다. Cisco인증 642-642덤프는 최근 실제시험문제를 연구하여 제작한 제일 철저한 시험전 공부자료입니다. Cisco인증 642-642시험준비자료는 ITExamDump에서 마련하시면 기적같은 효과를 안겨드립니다.
시험 번호/코드: 642-642
시험 이름: Cisco (Quality of Service (QoS))
당신이 구입하기 전에 시도
일년동안 무료 업데이트
100% 환불보장약속
100% 합격율 보장
Q&A: 87 문항
업데이트: 2013-10-13
IT인증자격증은 여느때보다 강렬한 경쟁율을 보이고 있습니다. Cisco 인증642-642시험을 통과하시면 취직 혹은 승진이나 연봉협상에 많은 도움이 되어드릴수 있습니다. Cisco 인증642-642시험이 어려워서 통과할 자신이 없다구요? ITExamDump덤프만 있으면 이런 고민은 이제 그만 하지않으셔도 됩니다. ITExamDump에서 출시한 Cisco 인증642-642덤프는 시장에서 가장 최신버전입니다.
경쟁율이 치열한 IT업계에서 아무런 목표없이 아무런 희망없이 무미건조한 생활을 하고 계시나요? 다른 사람들이 모두 취득하고 있는 자격증에 관심도 없는 분은 치열한 경쟁속에서 살아남기 어렵습니다. Cisco인증 642-642시험패스가 힘들다한들ITExamDump덤프만 있으면 어려운 시험도 쉬워질수 밖에 없습니다. Cisco인증 642-642덤프에 있는 문제만 잘 이해하고 습득하신다면Cisco인증 642-642시험을 패스하여 자격증을 취득해 자신의 경쟁율을 업그레이드하여 경쟁시대에서 안전감을 보유할수 있습니다.
642-642 덤프무료샘플다운로드하기: http://www.itexamdump.com/642-642.html
NO.1 Refer to the exhibit.
Which three statements are true about the configuration.? (Choose three.)
class-map class-1
match ip rtp 2024 1000
class-map class 2
match dscp 5 6 7
policy-map access-group-1-traffic
class class-1
shape peak 16000
class class-2
police 8000 1000
conform-action set-dscp-transmit 1
exceed-action set-dscp-transmit 0
violate-action drop
class class-default
fair-queue 16
queue-limit 20
interface fastethernet 0/0
service-policy output access-group1-traffic
A. Traffic that is subject to shaping can burst up to 32,000 bps.
B. IP traffic (DSCPs 5, 6, and 7) that is sent on fastethernet 0/0 will be traffic policed.
C. RTP traffic (ports 2024 and 1000) that is sent on fastethernet 0/0 will be traffic shaped.
D. Traffic that is subject to policing will have the DCSP set to 0 if the rate exceeds 1000 bps.
E. IP traffic (DSCPs 1, 2, 3, and 4) that is sent on fastethernet 0/0 are considered to have a violate status
and are dropped.
F. IP traffic (DSCP 0) that is sent on fastethernet 0/0 will be subject to fair queuing.
Answer: ABF
Cisco dumps 642-642기출문제 642-642최신덤프 642-642 642-642 dump
NO.2 Answer:
NO.3 Which QoS mechanism calculates the mean queue depth to determine its operation?
A. WRED
B. LLQ/CBWFQ
C. WFQ
D. class-based shaping
E. class-based policing
Answer: A
Cisco 642-642 dumps 642-642 dumps
NO.4 Switch port fa0/2 has been configured to connect an IP phone with an attached PC. Given the set of
commands shown below, where does the trust boundary lie?
interface fa0/2
mls qos trust cos
mls qos trust device cisco-phone
switchport voice vlan 112
A. between the IP phone and the switch
B. between the IP phone and the PC
C. between the access layer switch and the distribution layer switch
D. between the PC port and the LAN port on the IP phone
Answer: A
Cisco자료 642-642 dump 642-642 642-642 pdf 642-642
NO.5 What does the following command accomplish?
router(config-pmap-c)# shape fecn-adapt
A. enables the router to lower the shaping rate when BECN bits are received
B. enables the router to lower the shaping rate when FECN bits are received
C. enables the router to respond to FECN bits by creating test frames in the opposite direction with the
BECN bit set
D. enables the router to respond to BECN bits by creating test frames in the opposite direction with the
FECN bit set
E. enables the router to increase the shaping rate when BECN bits are received
F. enables the router to increase the shaping rate when FECN bits are received
Answer: C
Cisco dumps 642-642 642-642 642-642인증
NO.6 In a managed CE scenario, the customer's network is supporting VoIP and bulk file transfers.
According to the best practices, which QoS mechanisms should be applied on the WAN edge CE-PE
56-kbps Frame Relay link on the CE outbound direction?
A. WRR, FRTS, FRF.12, and CB-RTP header compression
B. WRR, CB-WRED, CB-Marking, FRF.12, and CB-RTP header compression
C. CBWFQ, CB-WRED, CB-Marking, CB-Policing, and FRTS
D. CBWFQ, FRTS, FRF.12, and CB-RTP header compression
E. LLQ, CB-WRED, CB-Marking, FRTS, FRF.12, and CB-RTP header compression
F. LLQ, CB-WRED, CB-Policing, and CB-TCP and CB-RTP header compressions
Answer: E
Cisco 642-642시험문제 642-642 dumps 642-642시험문제 642-642
NO.7 Which two commands are typically applied to the voice traffic class within a policy-map? (Choose two.)
A. shape peak {bps}
B. priority {kbps}
C. bandwidth {kbps}
D. compress header ip rtp
E. random-detect ecn
F. random-detect dscp-based
Answer: BD
Cisco자격증 642-642 642-642
NO.8 The following commands have been configured under the fa0/1 interface on the 2950 switch:
wrr-queue bandwidth 20 1 80 0
mls qos trust cos
mls qos trust device cisco-phone
Voice traffic from the IP phone that is directly connected to the fa0/1 interface is experiencing excessive
delays.
What could be the cause of this problem?
A. The wrr-queue bandwidth weightings are not correct.
B. The default wrr-queue cos-map is being used.
C. The default cos-to-dscp map is being used.
D. The default dscp-to-cos map is being used.
E. The trust boundary configuration is not correct.
Answer: B
Cisco 642-642 642-642
NO.9 In which two locations is the qos pre-classify command applied to support QoS preclassification over an
IPSec/GRE tunnel? (Choose two.)
A. the tunnel interface
B. the physical interface
C. the crypto map
D. the policy-map
E. the class-map
Answer: AC
Cisco pdf 642-642 642-642최신덤프
NO.10 Answer:
NO.11 In an unmanaged CE router implementation, how does the service provider enforce the SLA?
A. by using class-based policing on the CE to PE link to limit the customer's input rate
B. by marking on the CE to PE link and using CBWFQ and CB-WRED on the PE to P link
C. by marking on the CE to PE link and using class-based policing on the PE to P link
D. by using class-based random discard on the CE to PE link to limit the customer's input rate
Answer: A
Cisco 642-642덤프 642-642시험문제
NO.12 Based on the following 2950 switch configurations, which statement is correct?
no wrr-queue cos-map
wrr-queue bandwidth 20 10 70 1
wrr-queue cos-map 4 5
wrr-queue cos-map 1 0 1 2 3
wrr-queue cos-map 3 6 7
A. Queue 1 is setup as the expedite queue.
B. Queue 2 is setup as the expedite queue.
C. Queue 3 is setup as the expedite queue.
D. Queue 4 is setup as the expedite queue.
E. No queue is setup as the expedite queue.
Answer: E
Cisco기출문제 642-642최신덤프 642-642 642-642 642-642기출문제
NO.13 What is the purpose of the qos pre-classify command?
A. to enable the IOS to copy the ToS field from the original IP header to the outer tunnel IP header
B. to enable the IOS to copy the ToS field from the outer tunnel IP header back into the original IP header
C. to enable the IOS to classify the packet based on the original IP header instead of the tunnel IP header
D. to enable the IOS to classify the packet based on the outer tunnel IP header instead of the original IP
header
E. to enable class-based marking on tunnel interface
F. to enable class-based marking on IPSec crypto maps
Answer: C
Cisco자료 642-642 dumps 642-642자료
NO.14 LAB
A. Please click console
Answer:
2950.SWITCH>en
2950-SWITCH#config terminal
2950-SWITCH(config)#int fa0/1
2950-SWITCH(config-if)#mls qos trust dscp
2950-SWITCH(config-if)#exit
2950-SWITCH(config)#int fa0/11
2950-SWITCH(config-if)#mls qos trust cos
2950-SWITCH(config-if)#exit
2950-SWITCH(config)#int fa0/10
2950-SWITCH(config-if)#mls qos trust cos
2950-SWITCH(config-if)#mls qos trust device cisco-phone
2950-SWITCH(config-if)#exit
2950-SWITCH(config)#exit
2950-SWITCH#copy run start
NO.15 What is the purpose of using multiactions traffic policing?
A. so that exceed traffic can be shaped and violate traffic can be policed
B. so that conform, exceed, and violate traffic can be marked with different CLPs
C. so that conform traffic from different flows can be marked with different DSCPs
D. so that class-based policing can mark at Layer 2 and Layer 3 at the same time
E. so that traffic can be policed using two separate rates
Answer: D
Cisco 642-642 pdf 642-642 642-642 642-642덤프 642-642 dump
ITexamdump의 70-465덤프의 VCE테스트프로그램과 LOT-442덤프는 한방에 시험을 패스하도록 도와드립니다. ITexamdump 에서는 최신버전의 EX0-101시험에 대비한 고품질 덤프와 70-488시험 최신버전덤프를 제공해드립니다. 최고품질 00M-617시험자료는 100% 간단하게 시험패스하도록 최선을 다하고 있습니다. IT인증시험패스는 이토록 간단합니다.
댓글 없음:
댓글 쓰기