ETA Certified Payments Professional (CPP) Practice Exam 2026 - Free CPP Practice Questions and Study Guide

An Audio Response Unit (ARU) is synonymous with an Interactive Voice Response (IVR) system. Both terms refer to technology that allows users to interact with a phone system through the use of voice prompts and voice recognition. An IVR system enables callers to navigate through a menu of options and obtain information or conduct transactions without the need for a live operator, similar to the capabilities of an ARU.

An IVR can provide functionalities such as account balances, transaction history, and customer service information through automated audio responses triggered by users' inputs. This technology enhances customer experience by providing immediate access to information and support, thereby streamlining communication processes.

The other choices pertain to related but distinct technologies that do not carry the same meaning as ARU. For instance, a Digital Voice Assistant (DVA) typically refers to a more advanced system that might include natural language processing capabilities, while an Automated Response System (ARS) can refer to a broader category of automated systems that may not specifically involve voice interaction. A Voice Recognition Unit (VRU) is focused on voice recognition technology itself rather than serving the interactive engagement purpose that ARUs and IVRs fulfill.