Latest training guide for Cisco 642-887

Cisco 642-887 is one of the important certification exams. IT-Tests's experienced IT experts through their extensive experience and professional IT expertise have come up with IT certification exam study materials to help people pass Cisco Certification 642-887 exam successfully. IT-Tests's providing learning materials can not only help you 100% pass the exam, but also provide you a free one-year update service.

About 642-887 exam, IT-Tests.com has a great sound quality, will be the most trusted sources. Feedback from the thousands of registration department, a large number of in-depth analysis, we are in a position to determine which supplier will provide you with the latest and the best 642-887 practice questions. The IT-Tests.com Cisco 642-887 training materials are constantly being updated and modified, has the highest Cisco 642-887 training experience. If you want to pass the exam，please using our IT-Tests.com Cisco 642-887 exam training materials. IT-Tests.com Cisco 642-887 Add to your shopping cart, it will let you see unexpected results.

Exam Code: 642-887
Exam Name: Cisco (Implementing Cisco Service Provider Next-Generation Core Network Services)

Dear candidates, have you thought to participate in any Cisco 642-887 exam training courses? In fact, you can take steps to pass the certification. IT-Tests.com Cisco 642-887 exam training materials bear with a large number of the exam questions you need, which is a good choice. The training materials can help you pass the certification.

God is fair, and everyone is not perfect. As we all know, the competition in the IT industry is fierce. So everyone wants to get the IT certification to enhance their value. I think so, too. But it is too difficult for me. Fortunately, I found IT-Tests.com's Cisco 642-887 exam training materials on the Internet. With it, I would not need to worry about my exam. IT-Tests.com's Cisco 642-887 exam training materials are really good. It is wide coverage, and targeted. If you are also one of the members in the IT industry, quickly add the IT-Tests.com's Cisco 642-887 exam training materials to your shoppingcart please. Do not hesitate, do not hovering. IT-Tests.com's Cisco 642-887 exam training materials are the best companion with your success.

If you don't purchase any course, although you spend a lot of time and effort to review of knowledge to prepare for Cisco certification 642-887 exam, it is still risky for you to pass the exam. But selecting IT-Tests's products allows you to spend a small amount of money and time and safely pass the exam. I believe that IT-Tests.com is more suitable for your choice in the society where time is so valuable. Moreover, our IT-Tests.com a distinct website which can give you a guarantee among many similar sites. Choosing IT-Tests.com is equivalent to choose success.

642-887 (Implementing Cisco Service Provider Next-Generation Core Network Services) Free Demo Download: http://pdf.it-tests.com/642-887.pdf

NO.1 Which field in the MPLS shim header is used to support different QoS markings?
A. IP precedence
B. DSCP
C. EXP
D. ToS
E. S
F. Label
Answer: C

Cisco   642-887 practice test   642-887   642-887 exam simulations   642-887

NO.2 When configuring LLQ (strict priority queue) on a traffic class using the Cisco IOS XR priority command
on a Cisco ASR9K router, which additional QoS command is required for this traffic class?
A. shape
B. police
C. random-detect
D. bandwidth
Answer: B

Cisco   642-887   642-887   642-887 study guide

NO.3 On a Cisco IOS XR router, which mechanism protects the router resources by filtering and policing the
packets flows that are destined to the router that is based on defined flow-type rates?
A. LLQ
B. LPTS
C. Committed Access Rate
D. Control Plane Policing
E. Management Plane Protection
F. NetFlow
G. ACL
Answer: B

Cisco   642-887 certification training   642-887 practice test   642-887 test questions   642-887

NO.4 What is the correct formula for determining the CIR.?
A. CIR = Bc/Tc
B. CIR = Bc x Tc
C. CIR = Tc/Bc
D. CIR = Bc + Be
E. CIR = Tc/(Bc+Be)
F. CIR = (Bc+Be)/Tc
Answer: A

Cisco   642-887 test   642-887 exam simulations

NO.5 On the Cisco ASR9K router, when using the bandwidth command to specify the minimum guaranteed
bandwidth to be allocated for a specific class of traffic, what will be used as the queuing algorithm?
A. custom queuing
B. CBWFQ
C. WFQ
D. FIFO
E. priority queuing
Answer: B

Cisco   642-887   642-887 test

NO.6 When implementing MPLS DS-TE on Cisco IOS XR routers, all aggregate Cisco MPLS TE traffic is
mapped to which class type by default?
A. class-type 0 (bandwidth global pool)
B. class-type 1 (bandwidth subpool)
C. class-type 2 (bandwidth priority)
D. class type class-default (bandwidth best-effort)
Answer: A

Cisco study guide   642-887 certification training   642-887 dumps   642-887   642-887 dumps

NO.7 On the Cisco IOS XR, which MQC configuration is different than on the Cisco IOS and IOS XE?
A. On the Cisco IOS XR, WRED can only be applied in the output direction.
B. On the Cisco IOS XR, marking can only be applied in the input direction.
C. On the Cisco IOS XR, LLQ can be applied in the input or output direction.
D. On the Cisco IOS XR, LLQ can use up to four priority queues: level 1, level 2, level 3, and level 4.
Answer: C

Cisco   642-887   642-887 certification   642-887   642-887

NO.8 Which three conditions can occur when metering traffic using a dual token bucket traffic policing QoS
mechanism on Cisco routers? (Choose three.)
A. conform
B. pass
C. violate
D. exceed
E. burst
F. matched
Answer: A,C,D

Cisco practice test   642-887 test questions   642-887   642-887 exam dumps

NO.9 On Cisco routers, how is hierarchical QoS implemented?
A. Within the parent policy, reference another child policy using the policy-map command.
B. Within the child policy, reference another parent policy using the policy-map command.
C. Use the policy-map command within a service-policy to implement nested policy-maps.
D. Within the parent policy-map, reference another child policy-map using the service-policy command.
Answer: D

Cisco pdf   642-887   642-887 test answers   642-887   642-887 answers real questions

NO.10 DS-TE implementations on Cisco routers support which bandwidth pool(s) and class type(s)? (Choose
two.)
A. global pool only
B. subpool only
C. global pool and subpool
D. class-type 0 only
E. class-type 1 only
F. class-type 0 and class-type 1
Answer: C,F

Cisco   642-887   642-887

To pass the Cisco 642-887 exam is a dream who are engaged in IT industry. If you want to change the dream into reality, you only need to choose the professional training. IT-Tests.com is a professional website that providing IT certification training materials. Select IT-Tests.com, it will ensure your success. No matter how high your pursuit of the goal, IT-Tests.com will make your dreams become a reality.