Information Systems Technician Specialist (C-4191) : Passbooks : 9781731841919 : 1731841914 : 20 Apr 2020 : The Information Systems Technician Specialist Passbook® prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to: developing operation instructions and procedures for projects run on multifunction information technology systems; developing and coordinating job stream tests for large/complex systems; checking production frequently and modifying schedules to improve system performance; coordinating multiple on-line telecommunications systems and/or networks; performing tasks in support of systems staff in system testing; and more.