Top 20 Informatica Master Data Management Interview Questions and Answers

Informatica Master Data Management Interview Questions and Answers : In the ever-evolving landscape of data management, proficiency in tools like Informatica Master Data Management (MDM) is a valuable asset. As organizations prioritize the integrity and accuracy of their critical data, being well-versed in Informatica MDM becomes crucial for professionals in the field. This comprehensive guide is designed to equip you with the knowledge needed to tackle the top 20 Informatica MDM interview questions, ensuring you stand out in your next job interview.

1. What is Master Data Management, and how does it differ from traditional data management?

Answer: Master Data Management is a method of managing the organization’s critical data, ensuring data consistency, accuracy, and uniformity across the enterprise. Unlike traditional data management, which focuses on data at the departmental level, MDM provides a unified, enterprise-wide view of the data.

2. Explain the key components of Informatica MDM.

Answer: Informatica MDM consists of three primary components: Hub Server, Hub Store, and Hub Console. These components work in harmony to manage and maintain master data efficiently.

3. What is the significance of the Landing Area in the MDM process?

Answer: The Landing Area acts as a staging ground for source data before it undergoes the staging process. It is a crucial step in ensuring data quality and accuracy before it is loaded into the MDM Hub Store.

4. Differentiate between Match and Merge in Informatica MDM.

Answer: Match identifies duplicate records based on predefined criteria, while Merge consolidates these duplicate records into a single, accurate representation, ensuring data integrity.

5. Explain the purpose of the Match and Merge policy.

Answer: The Match and Merge policy defines rules for identifying duplicate records and the process of consolidating them. This policy is pivotal in maintaining data consistency and accuracy.

6. How does Informatica MDM handle data governance and data stewardship?

Answer: Informatica MDM incorporates a robust data governance framework, allowing organizations to define data ownership, access controls, and data stewardship roles. Data stewards use the MDM Hub Console to review, validate, and approve changes to master data.

7. What is the role of the Data Director in Informatica MDM?

Answer: The Data Director is a web-based application in Informatica MDM that empowers data stewards to manage, review, and approve master data changes. It provides a user-friendly interface for data governance activities.

8. Explain the concept of Trust in Informatica MDM.

Answer: Trust is a mechanism in Informatica MDM that assigns a level of confidence to each data record, aiding in evaluating the quality and reliability of data.

9. How does Informatica MDM handle hierarchy management?

Answer: Informatica MDM supports hierarchy management by allowing users to define and manage relationships between master data entities, essential for representing complex organizational structures.

10. What are the different deployment options for Informatica MDM?

Answer: Informatica MDM can be deployed on-premises, in the cloud, or as a hybrid deployment, providing flexibility to organizations based on their specific needs and requirements.


11. Explain the role of the Data Integration layer in Informatica MDM.

Answer: The Data Integration layer facilitates the integration of master data with other systems, ensuring seamless data flow between the MDM hub and other enterprise applications.

12. How does Informatica MDM handle data quality?

Answer: Informatica MDM employs data quality rules, validation, and cleansing processes to ensure the accuracy and consistency of master data, identifying and correcting anomalies and errors.

13. What is a Trust Score, and how is it calculated in Informatica MDM?

Answer: The Trust Score in Informatica MDM is a numerical representation of the reliability of a data record, calculated based on predefined data quality rules, match and merge results, and other contributing factors.

14. Explain the concept of Data Stewardship Framework in Informatica MDM.

Answer: The Data Stewardship Framework defines roles, responsibilities, and processes involved in managing and maintaining master data. It includes tools and interfaces for data stewards to review, approve, and govern master data changes.

15. How does Informatica MDM handle data consolidation across diverse systems?

Answer: Informatica MDM achieves data consolidation by providing a centralized hub that integrates and manages master data from diverse source systems. Through data profiling, matching, and merging, it ensures a single, accurate representation of master data.

16. What is the role of the Cleanse Match Server in Informatica MDM?

Answer: The Cleanse Match Server executes data quality processes, including matching and merging, to identify and eliminate duplicate records, playing a vital role in maintaining data accuracy and consistency.


17. Explain the concept of Slowly Changing Dimensions (SCD) in Informatica MDM.

Answer: Slowly Changing Dimensions in Informatica MDM refer to the ability to track and manage changes to master data over time, including different SCD types to handle scenarios where data attributes change at different rates.

18. How does Informatica MDM ensure data security and privacy?

Answer: Informatica MDM incorporates robust security features, including role-based access controls, encryption, and auditing, ensuring the confidentiality and integrity of master data and compliance with data protection regulations.

19. What are the key considerations for performance optimization in Informatica MDM?

Answer: Performance optimization in Informatica MDM involves considerations such as indexing, partitioning, caching, and tuning the underlying database, contributing to a high-performing MDM environment.

20. How does Informatica MDM support multi-domain master data management?

Answer: Informatica MDM provides flexibility to manage master data across multiple domains, allowing organizations to create a unified view of master data across diverse business areas.


Mastering Informatica MDM is not just a skill; it’s a strategic advantage in the realm of data management. As you prepare for your Informatica MDM interview, a deep understanding of these top 20 questions and answers will undoubtedly boost your confidence and set you on the path to success. Remember, each question is an opportunity to showcase your knowledge and expertise in the dynamic field of Master Data Management.