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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Implementing Cisco Service Provider Next-Generation Core Network Services |
| Exam Number: | 642-887 |
| Available Languages: | English |
| Related Certifications: | Cisco Certified Network Professional (CCNP) Service Provider |
| Certificate Validity Period: | Retired |
| Exam Format: | Multiple Response, Multiple Choice |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 65-130 |
| Sample Questions: | ![]() |
| Exam Way: | Pearson VUE authorized testing centers (when the exam was active). |
| Pre Condition: | Candidates should have solid experience with service provider networking, MPLS, QoS, and Cisco IOS platforms. |
| Official Syllabus URL: | https://www.cisco.com/ |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Service Provider Core Network Features | - VPLS and provider edge concepts - Network architecture and service models - Core routing and forwarding | |
| Topic 2: Multiprotocol Label Switching (MPLS) Technologies | - MPLS fundamentals and label distribution - MPLS Traffic Engineering (MPLS-TE) - MPLS over IOS, IOS-XE, IOS-XR - LDP and IGP synchronization | |
| Topic 3: Configuration and Implementation | - Traffic policy and classification implementation - IOS, IOS-XE and IOS-XR commands for core features - Quality of service configurations | |
| Topic 4: Quality of Service (QoS) in Service Provider Networks | 38% | - Traffic policing and shaping - MQC for QoS on Cisco platforms - Hierarchical QoS and trust boundaries - Classification, marking, congestion management and avoidance - DiffServ and IntServ QoS models |
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Cisco recommends these training resources for the Cisco Implementing Cisco Service Provider Next-Generation Core Network Services exam:
Follow the training with steady self-testing — the 231 practice questions from PracticeTorrent help you apply theory and fill any gaps the training leaves.
The 642-887 exam is a Cisco certification exam validating the Cisco Implementing Cisco Service Provider Next-Generation Core Network Services syllabus shown above. It belongs to these credential paths: Cisco Certified Network Professional (CCNP) Service Provider. Candidates in 2026 start with PracticeTorrent's 231 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
Candidates should have solid experience with service provider networking, MPLS, QoS, and Cisco IOS platforms. Since requirements change over time, confirm the latest on the official Cisco exam page before scheduling.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 231 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
The official Cisco Implementing Cisco Service Provider Next-Generation Core Network Services outline defines 4 domains. The leading three are Service Provider Core Network Features, Configuration and Implementation, and Multiprotocol Label Switching (MPLS) Technologies. The full list is in the topics section above, and PracticeTorrent's 231 practice questions cover each one.
The Cisco Implementing Cisco Service Provider Next-Generation Core Network Services exam contains 65-130 to complete within 90 minutes. Timed simulation in the PracticeTorrent Desktop Test Engine teaches that rhythm before exam day does.
Pearson VUE authorized testing centers (when the exam was active). Register for the Cisco Implementing Cisco Service Provider Next-Generation Core Network Services exam through these official channels:
After booking, PracticeTorrent delivers your practice questions within 1 minute — preparation starts the same day.
Refer to the exhibit.
A network engineer who is working for an ISP wants to override the QoS that comes from the customer. The engineer wants to set a QoS value of 5 for all traffic. What are two reasons why the configuration is not working? (Choose two.)
Correct Answer: A,C 🗳️
Only based on the Cisco IOS XR policy-map configuration exhibit,
which statement is correct?
Correct Answer: A 🗳️

Correct Answer:

Explanation
All network packets are treated exactly the same-Best Effort
It divides traffic classes and applies a different level of service for each class--Diffserv Traffic-handling characteristics are based on signaling events from network-based applications-- intServ All network packets are treated exactly the same-- Best Effort It divides traffic classes and applies a different level of service for each class-- Diffserv Traffic-handling characteristics are based on signaling events from network-based applications-- intServ
In an IPv6 header, what does a flow label of zero indicate?
Correct Answer: C 🗳️
An engineer wants to extend the trust boundary to a Cisco IP Phone. Which protocol should be used?
Correct Answer: A 🗳️
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