The 642-887 SPCORE Implementing Cisco Service Provider Next-Generation Core Network Services exam. This exam tests a candidates knowledge of the concepts and implementation of MPLS technology and MPLS-TE services. It also validates the understanding of technology principles of basic Quality of Service, and Quality of Service with Multi Protocol Label Switching (MPLS) to implement advanced features and functions. Candidates can prepare for this exam by taking the exams in this App.