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

642-887 real exams

Exam Code: 642-887

Exam Name: Implementing Cisco Service Provider Next-Generation Core Network Services

Updated: Nov 02, 2026

Q & A: 231 Questions and Answers

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Reference: http://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/642-887-spcore.html

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Cisco 642-887 Exam Certification Details:

Exam Price$300 USD
Exam NameImplementing Cisco Service Provider Next-Generation Core Network Services
Recommended TrainingImplementing Cisco Service Provider Next-Generation Core Network Services (SPCORE)
Passing ScoreVariable (750-850 / 1000 Approx.)
Exam RegistrationPEARSON VUE
Duration90 minutes
Sample QuestionsCisco 642-887 Sample Questions
Exam Code642-887 SPCORE
Number of Questions65-75

Cisco 642-887 Exam Syllabus Topics:

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

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