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The Cisco Implementing Cisco Service Provider Next-Generation Core Network Services exam has a reputation for tripping up even experienced professionals. Fast2test breaks it down into 231 practice questions with verified answers, so you walk into 642-887 in 2026 knowing exactly what to expect.
Cisco 642-887 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Implementing Cisco Service Provider Next-Generation Core Network Services |
| Exam Number: | 642-887 |
| Exam Format: | Multiple Response, Multiple Choice |
| Related Certifications: | Cisco Certified Network Professional (CCNP) Service Provider |
| Real Exam Qty: | 65-130 |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | Retired |
| Available Languages: | English |
| Sample Questions: | Cisco 642-887 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/ |
Cisco 642-887 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Quality of Service (QoS) in Service Provider Networks | 38% | - Traffic policing and shaping - DiffServ and IntServ QoS models - MQC for QoS on Cisco platforms - Hierarchical QoS and trust boundaries - Classification, marking, congestion management and avoidance |
| Topic 2: Multiprotocol Label Switching (MPLS) Technologies | - MPLS Traffic Engineering (MPLS-TE) - MPLS fundamentals and label distribution - MPLS over IOS, IOS-XE, IOS-XR - LDP and IGP synchronization | |
| Topic 3: Service Provider Core Network Features | - VPLS and provider edge concepts - Core routing and forwarding - Network architecture and service models | |
| Topic 4: Configuration and Implementation | - IOS, IOS-XE and IOS-XR commands for core features - Traffic policy and classification implementation - Quality of service configurations |
Your Cisco Implementing Cisco Service Provider Next-Generation Core Network Services Questions, Answered
The 642-887 exam, officially titled Implementing Cisco Service Provider Next-Generation Core Network Services, is the qualifying test for the CCNP Service Provider certification from Cisco, a credential at the Professional level. Passing it proves you have the skills employers look for in certified professionals, and it can also support progress toward related credentials such as Cisco Certified Network Professional (CCNP) Service Provider.
The Cisco Implementing Cisco Service Provider Next-Generation Core Network Services exam gives you 90 minutes to work through 65-130 questions. That is a steady pace with little room for second-guessing, so train yourself to read each question once, flag the difficult ones, and keep moving. Before exam day, sit at least two full timed sessions in the Fast2test test engine — when the clock feels familiar, it stops being a threat.
Candidates should have solid experience with service provider networking, MPLS, QoS, and Cisco IOS platforms. Eligibility rules can change over time, so before you register, confirm the latest requirements on the official exam page: Cisco 642-887 exam overview.
Yes. Fast2test offers a free PDF demo for the Cisco Implementing Cisco Service Provider Next-Generation Core Network Services exam so you can judge the quality of our questions and answers before paying anything. Every purchase also comes with 365 days of free updates, and once that period expires you can extend your update service at a 50% discount.
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The Cisco Implementing Cisco Service Provider Next-Generation Core Network Services syllabus is organized into 4 domains. The main areas include Configuration and Implementation, Service Provider Core Network Features, and Multiprotocol Label Switching (MPLS) Technologies. Scroll up to the Exam Topics section above for the complete, current outline before you plan your study schedule.
Cisco Implementing Cisco Service Provider Next-Generation Core Network Services Sample Questions:

Refer to the exhibit. The MPLS L2VPN service is provided by PE1 and PE2 between host A and B.
No other policy maps exist in the topology. Host A sends traffic to host B with a COS 802.1p value of 6. Which MPLS EXP value is sent in label 20001 from P2 to PE2?
- A. 0
- B. 2
- C. 3
- D. 1
Correct Answer: B 🗳️
Implementing IPoDWDM interfaces on Cisco CRS routers eliminates the need for which network component?
- A. ROADM
- B. electrical-optical-electrical converters
- C. external transponders
- D. electrical cross-connect
Correct Answer: C 🗳️
Explanation: Only visible for Fast2test members. You can sign-up / login (it's free).
On Cisco routers, how is hierarchical QoS implemented?
- A. Within the child policy, reference another parent policy using the policy-map command.
- B. Use the policy-map command within a service-policy to implement nested policy-maps.
- C. Within the parent policy-map, reference another child policy-map using the service-policy command.
- D. Within the parent policy, reference another child policy using the policy-map command.
Correct Answer: C 🗳️

Refer to the exhibit. You have applied this configuration to a router. Which additional task must you perform to enable the router to mark traffic correctly?
- A. Configure the ciscotest class map to identify traffic to which QoS will be applied.
- B. Configure the ciscopolicy class map to identify traffic to which QoS will be applied.
- C. Add a second set configuration to the policy map to set the qos-group value to 4.
- D. Create a service policy for inb6und traffic on interface pos 0/2/0/0.
Correct Answer: A 🗳️
A company asks an engineer to provide an explanation for implementing MPLS DiffServ-TE services. Which option is a DiffServ-TE fundamental concept that should be highlighted?
- A. class of service
- B. class types
- C. assured forwarding
- D. fast reroute
- E. expedited forwarding
Correct Answer: B 🗳️
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