642-887 CCNP SP Operations Certification Test

642-887, Implementing Cisco Service Provider Next-Generation Core Network Services exam checks a candidate’s knowledge of the implementation and concepts of MPLS-TE services and MPLS technology. Also, checks the understanding of Quality of Service with Multi-Protocol Label Switching (MPLS) and basic Quality of Service to implement its advanced features and functions. The preparation of this exam can be done by taking the Implementing Cisco Service Provider Next-Generation Core Network Services (SPCORE) course.

642-887, Implementing Cisco Service Provider Next-Generation Core Network Services exam is for duration of 90 minutes with 65-75 questions. There are four main topics that come in this exam which are mentioned below but candidates should also note that any other related topics can also come in the exam. The first topic for the 642-887 exams is QOS in a service provider IP NGN Environment. The sub-topics under this topic are IntServ QoS and DiffServ models, IPv6 Flow Label, Cisco MQC for QoS configurations, hierarchical QoS configurations, Cisco NBAR feature for packets classifications and discovering network protocols, and implementing class-based markings on Cisco IOS-XE and IOS-XR. A few more topics of the same topic are Implementing CB-WFQ on Cisco IOS-XE and IOS-XR, Implementing LLQ on Cisco IOS-XE and IOS-XR and MPLS EXP bits. This topic is 38% of the total exam.

The second topic for the 642-887, Implementing Cisco Service Provider Next-Generation Core Network Services exam is LDP/MPLS in a service provider IP NGN Environment. The sub-topics under this topic are LDP operations in Cisco routers, label stack operations and MPLS labels on Cisco routers, MPLS applications in service provider environment, implementing LDP high availability features on Cisco IOS-XE and IOS-XR. Troubleshooting LDP on IOS-XE and IOS-XR is also included. This topic is 32% of the total exam.

The third topic for 642-887 Latest IT Certification Exams is MPLS. The sub-topics under this topic are MPLS traffic engineering (TE) concepts, MPLS TE tunnels, MPLS TE constraint-based path computations, methods of assigning traffic into MPLS TE tunnels and implementation of MPLS TE link and node protections on IOS-XE and Cisco IOS-XR. This topic is 22% of the total exam.

The Fourth topic for 642-887, Implementing Cisco Service Provider Next-Generation Core Network Services exam is Transport technologies. This includes ROADM, DWDM and IPoDWDM. Implementing of 10/40/100 Gigabit Ethernet Interfaces on Cisco IOS-XR router and implementation of IPoDWDM controller/interface on Cisco IOS-XR routers is also included. This topic is 8% of the exam.

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