Cisco 642-887 Valid Test : Implementing Cisco Service Provider Next-Generation Core Network Services

  • Exam Code: 642-887
  • Exam Name: Implementing Cisco Service Provider Next-Generation Core Network Services
  • Updated: Sep 17, 2026
  • Q&As: 231 Questions and Answers

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How can you study for Cisco 642-887 Certification Exam

For Cisco 642-887 Certification Exam here is the study guide

Cisco 642-887: Get our quick guide if you don't have time to read all the page

The Cisco 642-887 Certification Exam assesses the applicant's information about the concepts and implementation of MPLS technology and MPLS-TE services. It also confirms the knowledge of primary QoS, and QoS principles of the technology with Multiprotocol Label Change (MPLS) to perform excellent features and functions.

Here are the topics of Cisco 642-887 Exam

Candidates must know the topics before they start of preparation. Because it will really help them in hitting the core. Our Cisco 642-887 exam dumps will include the following topics:

QOS in a Service Provider IP NGN Environment 38% MPLS/LDP in a Service Provider IP NGN Environment 32% MPLS/LDP in a Service Provider IP NGN Environment 22% Transport Technologies 8%

Cisco 642-887 Exam Syllabus Topics:

SectionWeightObjectives
MPLS Traffic Engineering (MPLS-TE)22%- MPLS-TE concepts and components
  • 1. Bandwidth reservation
    • 2. RSVP-TE signaling
      • 3. TE tunnels and path calculation
        - Protection and optimization
        • 1. Link and node protection
          • 2. TE path selection and tuning
            QoS in a Service Provider IP NGN Environment38%- QoS models and mechanisms
            • 1. Classification, marking, policing, shaping
              • 2. DiffServ and IntServ models
                • 3. Trust boundaries and MQC
                  - Implementation on IOS-XR and IOS-XE
                  • 1. Hierarchical QoS
                    • 2. QoS pre-classify
                      • 3. QPPB and CB-WFQ
                        MPLS and LDP in Service Provider Networks32%- MPLS implementation and verification
                        • 1. LDP authentication and protection
                          • 2. MPLS on core and edge routers
                            - MPLS architecture and operations
                            • 1. Label stack and forwarding
                              • 2. Label distribution and convergence
                                • 3. LDP protocol and session establishment
                                  Transport Technologies8%- Optical transport and IPoDWDM
                                  • 1. Transition from legacy transport
                                    • 2. IPoDWDM configuration on IOS-XR

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