The Data Communications Specialist Passbook(R) 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: Systems analysis and design; Programming techniques and concepts, including the use of pseudo language; Data processing concepts and terminology; Terminology and concepts applicable to data communications software and hardware; Principles and practices of selecting, installing, and maintaining data communications networks; and more.