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Exam Code: 642-887
Exam Name: Implementing Cisco Service Provider Next-Generation Core Network Services
Updated: Oct 12, 2026
Q & A: 231 Questions and Answers
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| Section | Weight | Objectives |
|---|---|---|
| QoS in a Service Provider IP NGN Environment | 38% | - Implementation on IOS-XR and IOS-XE
|
| MPLS Traffic Engineering (MPLS-TE) | 22% | - Protection and optimization
|
| Transport Technologies | 8% | - Optical transport and IPoDWDM
|
| MPLS and LDP in Service Provider Networks | 32% | - MPLS implementation and verification
|
The Cisco Implementing Cisco Service Provider Next-Generation Core Network Services is Cisco's certification exam for CCNP Service Provider, at the Professional level. The certificate is an indispensable part of becoming an elite in this field — priority in salary, outlook, and promotion follows it. Related credentials include CCNA Service Provider, CCIE Service Provider.
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The Cisco Implementing Cisco Service Provider Next-Generation Core Network Services blueprint spans 4 domains — including MPLS and LDP in Service Provider Networks (32%), Transport Technologies (8%), QoS in a Service Provider IP NGN Environment (38%). Plan practice around the heavier domains; the complete outline above lists every subtopic.
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After any course, speed up your pace with the 231 practice questions for the Cisco Implementing Cisco Service Provider Next-Generation Core Network Services — every answer expert-verified.
CCNA Service Provider certification or any valid CCIE certification; recommended 2-3 years of service provider networking experience Eligibility rules change over time, so verify the current requirements on the official page (official 642-887 exam page) before registering.
Which QoS technique can be used to protect customer traffic from being dropped by traffic rate limiting performed by the service provider?
Correct Answer: D 🗳️
At which layer does Cisco recommend the QoS trust boundary be set for an enterprise network environment?
Correct Answer: B 🗳️
Refer to the exhibit.
IT administrators report packet loss on the critical applications coming with CoS 4. Which option is the appropriate configuration to have a lower drop probability when the packets are processed using DSCP values?
Correct Answer: C 🗳️
Which two actions can a PE router perform on QoS traffic? (Choose two.)
Correct Answer: D,E 🗳️
DS-TE implementations on Cisco routers support which bandwidth pool(s) and class type(s)? (Choose two.)
Correct Answer: D,E 🗳️
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