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Exam :
Cisco 642-785 Exam
Title
Maintaining Cisco Service Provider Quality of Service (MSPQS)
:
Version :
Demo
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1. Use a policy map at the ingress to the PE2 router to remark packets from 172.16.2.2. A. CiscoWorks IPM B. Remedy C. InfoVista D. NetCool E. IP SLA F. Splunk Answer: AC
2. What are the benefits of using differentiated services in the service provider backbone? (Choose two.) A. simple, easy to design, deploy, and operate B. less bandwidth required to achieve the same SLA C. more aggregate traffic supported D. overprovision by two times the maximum aggregate Answer: BC
3 . Which statement about the MQC configuration shown here for the class-default traffic class is true? policy-map CE-EDGE-4CLASS-OC3-POS-1 class class-default bandwidth percent 25 ! A. The maximum number of packets the queue for the class-default class can hold is 64 packets using the default queue-limit. B. The bandwidth percent is referenced to the reserved bandwidth on the interface. C. The bandwidth percent is referenced to the reserved bandwidth on the interface. D. The class-default class will use WFQ instead of FIFO queueing. Answer: A
4. You have deployed IP SLA in your network to monitor VoIP. You want to be notified on network delay before it affects voice quality. What threshold should be set? A. 150 ms one-way B. 150 ms round trip C. 50 ms round trip
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D. 250 ms one-way E. 200 ms round trip Answer: A
5. When troubleshooting a QoS problem, which two key statistics should you look for? (Choose two.) A. queue utilization B. interface utilization C. queue priority D. queue drops E. queue depth Answer: DE
6. Which three NetFlow versions are supported by Cisco NetFlow Analyzer? (Choose three.) A.1 B.5 C.6 D.7 E.8 F.9 Answer: ABF
7. Which command shows real traffic statistics on each class map on the 10 Gigabit interface 0/10/0/0 at the egress direction? A. show service-policy interface tenGigE 0/10/0/0 output B. show service-policy interface tenGigE 0/10/0/0 egress C. show policy-map interface tenGigE 0/10/0/0 output D. show policy-map interface tenGigE 0/10/0/0 egress E. show qos interface tenGigE 0/10/0/0 output F. show qos interface tenGigE 0/10/0/0 egress Answer: C
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8. When is a best-effort QoS policy most appropriate? A. when the customer has high bandwidth access to the network B. when the customer will only transport delay-tolerant data C. when the CE is self-managed and the customer provides adequate QoS marking D. when the customer plans to transport data from no more than one multimedia application Answer: B
9. Which Cisco IOS command will show a summary of probes? A. show ip sla statistics B. show ip sla responder C. show ip sla monitors D. show ip sla monitors Answer: D
10. Where do service providers apply policy when traffic is leaving the customer network? (Choose two.) A. Apply input policy on the CE interface toward PE, if CE is unmanaged. B. Apply input policy on the PE interface toward CE, if CE is unmanaged. C. Apply input policy on the PE interface toward CE, if CE is managed. D. Apply output policy on the PE interface toward CE, if CE is managed. E. Apply output policy on the CE interface toward PE, if CE is managed. Answer: BE
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