… service representatives. The BIW 2 Certificate of Achievement builds on the BIW 1 foundation and provides students with additional skills in PowerPoint, Excel, Access, QuickBooks, records management, and customer relations. Students … credential exams. Customer Service Representative This Certificate of Achievement is designed for students who want a fast-track course of study that will enable them to enter the job market with customer service skills and with a raised awareness and a reference for information on how an organization can deliver …