As a working professional, earning the 642-887 certification means preparing seriously first. The Cisco Implementing Cisco Service Provider Next-Generation Core Network Services material on Test4Cram was built to help as many candidates as possible, at prices that stay accessible.
Cisco 642-887 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Implementing Cisco Service Provider Next-Generation Core Network Services |
| Exam Number: | 642-887 |
| Related Certifications: | Cisco Certified Network Professional (CCNP) Service Provider |
| Certificate Validity Period: | Retired |
| Available Languages: | English |
| 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/ |
Cisco 642-887 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Multiprotocol Label Switching (MPLS) Technologies | - LDP and IGP synchronization - MPLS Traffic Engineering (MPLS-TE) - MPLS over IOS, IOS-XE, IOS-XR - MPLS fundamentals and label distribution | |
| Configuration and Implementation | - Quality of service configurations - Traffic policy and classification implementation - IOS, IOS-XE and IOS-XR commands for core features | |
| Quality of Service (QoS) in Service Provider Networks | 38% | - Classification, marking, congestion management and avoidance - MQC for QoS on Cisco platforms - Hierarchical QoS and trust boundaries - DiffServ and IntServ QoS models - Traffic policing and shaping |
| Service Provider Core Network Features | - Network architecture and service models - VPLS and provider edge concepts - Core routing and forwarding |
642-887 Exam Preparation FAQ
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The 642-887 exam contains 65-130 questions within 90 minutes minutes. Rehearsing under the same time limit on the Test4Cram engine builds the pacing habits you will need.
- Service Provider Core Network Features ()
- Quality of Service (QoS) in Service Provider Networks (38%)
- Multiprotocol Label Switching (MPLS) Technologies ()
Allocate your study hours in proportion to each topic's weight.
The package includes 231 practice questions for the 642-887 exam, all with verified answers and available in three formats.
Candidates should have solid experience with service provider networking, MPLS, QoS, and Cisco IOS platforms.
Cisco Implementing Cisco Service Provider Next-Generation Core Network Services Sample Questions:
An engineer must configure a policy on a Cisco IOS XE router that achieves the following:
Traffic 2 Mbps or less is transmitted
Traffic between 2 Mbps and 3 Mbps is marked with IP Precedence 4
Traffic that exceeds 3 Mbps is dropped
Which configuration achieves this policy?
- A. Option A
- B. Option D
- C. Option B
- D. Option C
Correct Answer: D 🗳️
Which two considerations are important when implementing a Cisco MPLS TE NHOP or NNHOP protection?
(Choose two.)
- A. The tail-end router must be aware of the request for NHOP or NNHOP protection.
- B. The head-end router requires configuration for the NHOP or NNHOP protection request to occur.
- C. The Cisco MPLS TE tunnel on the Point of Local Repair implementing protection requires configuration as backup interface.
- D. The reconvergence time must be no longer than 10 seconds.
- E. The head-end router requires configuring high priority for the Cisco MPLS TE tunnel.
Correct Answer: B,C 🗳️
Which two of the following statements are correct regarding LSPs? (Choose two.)
- A. The FIB is used to forward MPLS-labeled packets down an LSP.
- B. An LSP is created for every routing protocol entry.
- C. Each LSP is bidirectional, that is, packets traveling in the opposite direction use the same LSP.
- D. LDP is used to propagate labels and build LSPs.
- E. An IGP is used to populate routing tables in all routers in an MPLS domain.
Correct Answer: D,E 🗳️
When implementing CBWFQ, where should Weighted Random Early Detection configuration be applied?
- A. policy-map
- B. route-map
- C. service-policy
- D. class-map
Correct Answer: A 🗳️
On a Cisco IOS XR router, which mechanism protects the router resources by filtering and policing the packets flows that are destined to the router that is based on defined flow-type rates?
- A. Committed Access Rate
- B. ACL
- C. LLQ
- D. LPTS
- E. Management Plane Protection
- F. NetFlow
- G. Control Plane Policing
Correct Answer: D 🗳️
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