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Top 50 D365 Technical (F&O) Interview Q&A PART-1
Dynamics 365 Finance & Operations (D365 F&O) is a comprehensive enterprise resource planning (ERP) solution. To excel in technical interviews for D365 F&O roles, it's essential to prepare for a variety of questions. Here are the top 50 interview questions and concise answers to help you succeed.
1-10: General and Architecture
1. What is D365 F&O?
o A cloud-based ERP solution by Microsoft for finance and operations management.
2. Describe the D365 F&O architecture.
o Multi-tier architecture with application, database, and integration layers.
3. What is the role of Azure in D365 F&O?
o Provides the cloud infrastructure for hosting and scaling the application.
4. Explain the concept of a model in D365 F&O.
o A logical grouping of elements such as forms, tables, and classes.
5. What is a package in D365 F&O?
o A deployment unit containing one or more models.
6. Describe the extension model in D365 F&O.
o Allows customization without modifying the base ...
... code, using extensions and event handlers.
7. What is the purpose of a data entity in D365 F&O?
o Facilitates data import/export and data integration.
8. Explain Lifecycle Services (LCS).
o A cloud-based platform for managing the application lifecycle of D365 F&O.
9. What is a form pattern in D365 F&O?
o Predefined layouts and behaviors to standardize form design.
10. Define AOT in D365 F&O.
o Application Object Tree, where all application elements are stored.
11-20: Development and Customization
11. What is X++?
o A programming language used in D365 F&O for business logic implementation.
12. Describe the purpose of the SysOperation framework.
o Manages batch processes and parallel execution.
13. What is a form data source?
o Defines the data source for a form, typically a table or a query.
14. Explain the use of EDT (Extended Data Types).
o Defines reusable data types with properties like length and alignment.
15. What is an event handler in D365 F&O?
o Allows subscribing to events to extend or override functionality.
16. How do you create a new table in D365 F&O?
o Using AOT, define table fields, keys, and properties.
17. What is a query in D365 F&O?
o A set of instructions to retrieve data from the database.
18. Explain table inheritance.
o Allows a table to inherit fields and methods from another table.
19. What is the purpose of a workflow?
o Automates business processes with approvals and tasks.
20. Describe the use of display methods.
o Methods that calculate and display data on forms or reports.
21-25: Integration and Data Management
21. What is Data Management Framework (DMF)?
o A tool for data import/export and migration.
22. How do you use OData in D365 F&O?
o For integrating D365 F&O with other systems using RESTful APIs.
23. What are recurring data jobs?
o Scheduled data import/export operations.
24. Explain the concept of data packages.
o Bundles of data entities used for data migration.
25. What is the purpose of BYOD (Bring Your Own Database)?
o Allows exporting data to external databases for advanced analytics.
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