Who will choose to complete Pega Certified Lead System Architect (PCLSA) certification? It is intended for Pega Certified Senior System Architects (PCSSAs) with at least 12+ months of field experience. Pega LSA Architecture Exam PEGAPCLSA85V1 is the first exam in the PCLSA certification process. To complete PEGAPCLSA85V1 exam, you can choose PEGAPCLSA85V1 practice exam dumps