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Category Archives: 642-887 SPCORE Exam

13 Nov

cisco service provider 642-887 spcore certification

cisco service provider 642-887 spcore certification is easy for the candidates to get now. This 642-887 SPCORE exam tests a candidate’s knowledge of the concepts and implementation of MPLS technology and MPLS-TE services.

It also validates the understanding of technology principles of basic Quality of Service, and Quality of Service with Multi Protocol Label Switching (MPLS) to implement advanced features and functions.

cisco service provider 642-887 spcore certification exam objectives are below.

32% 2.0 MPLS/LDP in a Service Provider IP NGN Environment

2.1 Describe the CEF, FIB, LFIB and LIB tables on Cisco routers
2.2 Describe MPLS labels and label stack operations on Cisco routers
2.3 Describe LDP operations in Cisco routers
2.4 Describe MPLS OAM (MPLS LSP Ping and MPLS Traceroute)
2.5 Describe MPLS Applications in Service provider environment
2.6 Implement LDP on Cisco IOS-XR and IOS-XE
2.7 Implement LDP high availability features on Cisco IOS-XR and IOS-XE
2.8 Troubleshoot LDP on IOS-XR and IOS-XE configuration errors

22% 3.0 MPLS/LDP in a Service Provider IP NGN Environment

3.1 Describe MPLS traffic engineering (TE) concepts
3.2 Describe MPLS TE constraint-based path computations
3.3 Describe the details of MPLS TE tunnels, including path setup procedures and path maintenance
3.4 Describe methods of assigning traffic into MPLS TE tunnels
3.5 Implement MPLS TE tunnels on Cisco IOS-XR and IOS-XE
3.6 Implement MPLS TE bandwidth control on Cisco IOS-XR and IOS-XE
3.7 Implement MPLS TE link and node protections on Cisco IOS-XR and IOS-XE

Practice cisco service provider 642-887 spcore certification questions here.

 

 

06 Oct

online cisco 642-887 spcore certification

Online Cisco 642-887 spcore certification is available for the candidates to clear the test. The Associated Certification is CCNP Service Provider. There are 65-75 questions in real Cisco 642-887 SPCORE exam, which will take the candidates 90 minutes to complete the test. The available language is English. Candidates can register Cisco 642-887 SPCORE exam at Pearson VUE testing center.

In order to help you get cisco 642-887 spcore certification, share some real 642-887 spcore questions and answers here.

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

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

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

Get more Cisco 642-887 spcore certification questions and answers here. 

 

 

23 Aug

642-887 SPCORE Implementing Cisco Service Provider Next-Generation Core Network Services

The 642-887 SPCORE Implementing Cisco Service Provider Next-Generation Core Network Services exam. This 642-887 SPCORE exam tests a candidate’s knowledge of the concepts and implementation of MPLS technology and MPLS-TE services. It also validates the understanding of technology principles of basic Quality of Service, and Quality of Service with Multi Protocol Label Switching (MPLS) to implement advanced features and functions.

642-887 SPCORE is known as Implementing Cisco Service Provider Next-Generation Core Network Services. The Associated Certification is CCNP Service Provider. There are 65-75 questions in real Cisco 642-887 SPCORE exam, which will take the candidates 90 minutes to complete the test. The available language is English. Candidates can register Cisco 642-887 SPCORE exam at Pearson VUE testing center.

Cisco 642-887 SPCORE exam topics are also valuable in your preparation.

38% 1.0 QOS in a Service Provider IP NGN Environment

1.1 Describe the DiffServ and IntServ QoS models
1.2 Describe the QoS mechanisms (classification and marking, congestion management and avoidance, traffic policing and shaping)
1.3 Describe IPv6 Flow Label
1.4 Describe trust boundaries in Enterprise and SP environments
1.5 Describe Cisco MQC for QoS configurations
1.6 Describe hierarchical QoS configurations
1.7 Describe the Cisco NBAR feature for discovering network protocols and for packets classifications
1.8 Describe the typical Edge PE routers and Core P routers QoS requirements
1.9 Implement classification and marking in an interdomain network using QPPB on Cisco IOS-XR and IOS-XE
1.10 Implement class-based markings on Cisco IOS-XR and IOS-XE
1.11 Implement QoS pre-classify on tunnel interface on Cisco IOS-XR and IOS-XE
1.12 Implement CB-WFQ on Cisco IOS-XR and IOS-XE
1.13 Implement LLQ on Cisco IOS-XR and IOS-XE
1.14 Implement WRED on Cisco IOS-XR and IOS-XE
1.15 Implement traffic policing on Cisco IOS-XR and IOS-XE
1.16 Implement traffic shaping on Cisco IOS-XR and IOS-XE
1.17 Describe LPTS and hardware rate limiters on Cisco IOS-XR routers
1.18 Describe MPLS EXP bits
1.19 Describe MPLS QoS implementation concepts and models
1.20 Implement MPLS DiffServ Tunneling on Cisco IOS-XR and IOS-XE
1.21 Troubleshoot QoS IOS-XR and IOS-XE configuration errors

32% 2.0 MPLS/LDP in a Service Provider IP NGN Environment

2.1 Describe the CEF, FIB, LFIB and LIB tables on Cisco routers
2.2 Describe MPLS labels and label stack operations on Cisco routers
2.3 Describe LDP operations in Cisco routers
2.4 Describe MPLS OAM (MPLS LSP Ping and MPLS Traceroute)
2.5 Describe MPLS Applications in Service provider environment
2.6 Implement LDP on Cisco IOS-XR and IOS-XE
2.7 Implement LDP high availability features on Cisco IOS-XR and IOS-XE
2.8 Troubleshoot LDP on IOS-XR and IOS-XE configuration errors

22% 3.0 MPLS/LDP in a Service Provider IP NGN Environment

3.1 Describe MPLS traffic engineering (TE) concepts
3.2 Describe MPLS TE constraint-based path computations
3.3 Describe the details of MPLS TE tunnels, including path setup procedures and path maintenance
3.4 Describe methods of assigning traffic into MPLS TE tunnels
3.5 Implement MPLS TE tunnels on Cisco IOS-XR and IOS-XE
3.6 Implement MPLS TE bandwidth control on Cisco IOS-XR and IOS-XE
3.7 Implement MPLS TE link and node protections on Cisco IOS-XR and IOS-XE

8% 4.0 Transport Technologies

4.1 Describe the SP core transition from ATM/SONET/SDH based backbone to packet based IP/MPLS backbone
4.2 Implement 10/40/100 Gigabit Ethernet Interfaces on Cisco IOS-XR routers
4.3 Describe DWDM, IPoDWDM and ROADM
4.4 Implement IPoDWDM controller/interface on Cisco IOS-XR routers

07 Aug

642-887 SPCORE Online Test-Implementing Cisco Service Provider Next-Generation Core Network Services

Currently, our 642-887 SPCORE online test only provide 10 questions. Answer one question correctly, you can get 10 points. The content of these questions are the latest exam content. Please feel free to test your skill level.

If you have some opinions or suggestions about our online test, please leave your message, we will improve it step by step.

Now, begin to test:

On Cisco routers, how is hierarchical QoS implemented?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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?

 
 
 
 
 

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?

 
 
 
 

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?

 
 
 
 
 
 
 

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

 
 
 
 
 
 

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

 
 
 
 
 
 

What is the correct formula for determining the CIR.?

 
 
 
 
 
 

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

 
 
 
 
 
 

Question 1 of 10

 

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