Ab Initio Interview Questions

What is Ab Initio?
Ab Initio is a data processing platform that provides a complete solution for batch processing, real-time processing, and data analysis.
Explain the key components of Ab Initio.
Ab Initio consists of various components such as Co>Operating System, Graphical Development Environment (GDE), Enterprise Meta>Environment (EME), and Data Profiler.
What is a graph in Ab Initio?
A graph in Ab Initio represents a data flow or data processing application. It consists of components connected by data flows.
What is a component in Ab Initio?
A component inAb Initio is a functional unit within a graph responsible for performingspecific tasks such as reading data, transforming data, or writing data.
Explain parallel processing in Ab Initio.
Ab Initiosupports parallel processing, allowing tasks within a graph to executeconcurrently across multiple processing nodes, thus improving performance andscalability.
What is a sandbox in Ab Initio?
A sandbox in AbInitio is an isolated environment where developers can design, develop, andtest their Ab Initio graphs without impacting the production environment.
How does Ab Initio handle error handling and recovery?
Ab Initioprovides robust error handling and recovery mechanisms, including checkpointing, logging, and error propagation, to ensure data integrity andreliability during processing.
What is EME in Ab Initio?
The Enterprise Meta>Environment (EME) is a centralized repository in Ab Initio for storing metadata related to graphs, components, and other objects, facilitating collaboration, version control, and impact analysis.
Explain the importance of data profiling in Ab Initio.
Data profiling in Ab Initio involves analyzing the structure, quality, and content of data sources to understand their characteristics and identify issues such as data anomalies, duplicates, and inconsistencies, helping to ensure data quality and integrity.
How does Ab Initio integrate with other systems and technologies?
Ab Initio provides various connectivity options, including native connectors, APIs, and standard protocols such as JDBC and ODBC, to integrate with databases, file systems, messaging systems, and other external systems and technologies.