642-887 Cisco

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Sample Questions

Free 642-887 Sample Question 1

Which three conditions can occur when me tering traffic using a dual token bucket  traffic policing QoS mechanism on  Cisco routers? (Choose three.)

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Free 642-887 Sample Question 2

What is the correct formula for determining the CIR?

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Free 642-887 Sample Question 3

DS-TE im plementations on Cisco routers support which bandwidth pool(s) and class  type(s)? (Choose two.)

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Free 642-887 Sample Question 4

Which field in the MPLS shim header is  used to support different QoS markings?

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Free 642-887 Sample Question 5

On a Cisco IOS XR router, wh ich mechanism protects the r outer resources by filtering  and policing the packets flows that are destined to the router that is based on defined  flow-type rates?

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Free 642-887 Sample Question 6

When configuring LLQ (strict priority queue) on a traffic class using the Cisco IOS XR  priority command on a Cisco  ASR9K rout er,  which additional QoS  command  is required for this traffic class?

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Free 642-887 Sample Question 7

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?

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Free 642-887 Sample Question 8

When implementing MPLS DS-TE on Cisco IO S XR routers, all aggregate Cisco MPLS  TE traffic is mapped to which class type by default?

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Free 642-887 Sample Question 9

On the Cisco IOS XR, which MQC configuration is different than on the Cisco IOS and  IOS XE?

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Free 642-887 Sample Question 10

On Cisco routers, how is hierarchical QoS implemented?

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Free 642-887 Sample Question 11

Refer to the Cisco IOS XR polic y-map configuration exhibit.

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/11/1761.png

What is wrong with the policy-map configuration?

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Free 642-887 Sample Question 12

When configuring class-based WRED on Cisco routers, which WRED parameter is not  user configurable on a Cisco IOS XR but is  user configurable  on a Cisco IOS and IOS  XE?

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Free 642-887 Sample Question 13

Which of the following three statements are correct regarding IPv6 QoS?  (Choose three.)

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Free 642-887 Sample Question 14

With unmanaged CE routers, at which point  in the service provider network is the QoS  trust boundary, and what is requ ired at the trust boundary?

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Free 642-887 Sample Question 15

On the Cisco IOS XR, when using the match  protocol command within a class-map to  classify traffic, you noticed  that the match protocol opti on on the Cisco IOS XR shows  much fewer protocol options than on the  Cisco IOS or IOS XE, like there is no option  such as the match protocol yahoo-messenge r command on the Ci sco IOS XR. Why is  this?

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Free 642-887 Sample Question 16

Within the service provider core networ k, which two QoS mechanisms are typically  deployed on the P routers? (Choose two.)

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Free 642-887 Sample Question 17

Which three steps are required to configure QPPB on Cisco IOS XR routers? (Choose three.)

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Free 642-887 Sample Question 18

The Cisco IOS and IOS XE qos pre-classify  command allows which kind of packet  classification on IP packets that ar e encapsulated with GRE and IPsec?

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Free 642-887 Sample Question 19

Which are typical class-based marking policies that are implemented on service provider IP NGN PE routers?

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Free 642-887 Sample Question 20

Which item is not available to be used  for QoS classification in Cisco IOS XR?

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Free 642-887 Sample Question 21

Which statement is correct regardin g the default MPLS TTL behavior?

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Free 642-887 Sample Question 22

Which three statements are correct regard ing ping mpls comma nd operations? (Choose  three.)

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Free 642-887 Sample Question 23

What are the four fields inside the MPLS shim header? (Choose four.)

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Free 642-887 Sample Question 24

Which two of the following statements are correct regarding LSPs? (Choose two.)

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