10xDS RPA Developer Interview Questions and Answers

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Q1. Difference b/w throw and rethrow
Ans. 
throw is used to explicitly throw an exception, while rethrow is used to rethrow an exception caught in a catch block.
• throw is used to raise an exception and terminate the current execution.

• rethrow is used to propagate an exception to the next higher level of the call stack.

• throw can be used anywhere in the code, while rethrow is used only inside a catch block.

• throw requires specifying the type of exception being throw...read more
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Q2. How do you make selectors reliable
Ans. 
Selectors can be made reliable by using unique attributes, adding wildcards, using reliable parent elements, and using dynamic selectors.
• Use unique attributes: Select elements with attributes that are unique to them, such as ID or name.

• Add wildcards: Use wildcards like asterisks (*) or question marks (?) to account for dynamic values in selectors.

• Use reliable parent elements: Select elements based on their parent eleme...read more
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Q3. What is the List variable
Ans. 
A List variable is a data structure that stores a collection of elements, typically of the same type.
• List variables can hold multiple values and are commonly used to store and manipulate data.

• They can be indexed and accessed using numerical positions.

• List variables can be modified by adding, removing, or updating elements.

• Examples of List variables include a list of names, a list of numbers, or a list of tasks.
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Q1. Explain about REframe work, Stages and Transitions
Ans. 
The REframe work is a framework used in Robotic Process Automation (RPA) development. It consists of stages and transitions.
• REframe work is a widely used framework in RPA development.

• It helps in structuring and organizing the automation process.

• The framework consists of various stages and transitions.

• Stages represent different phases of the automation process.

• Transitions define the flow of control between stages.

• Stages...read more
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Q2. Difference b/w Add queue item and Add transaction item
Ans. 
Add queue item is used to add an item to a queue in a queue-based transactional process. Add transaction item is used to add an item to a transaction in a state machine-based transactional process.
• Add queue item is used in queue-based processes where items are processed in a first-in-first-out manner.

• Add transaction item is used in state machine-based processes where items are processed based on predefined states and t...read more
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Q3. Credential Manager how we use?
Ans. 
Credential Manager is used to securely store and manage credentials for RPA development.
• Credential Manager is a feature in RPA tools that allows developers to store and retrieve credentials securely.

• It helps in avoiding hardcoding of sensitive information like usernames and passwords in the code.

• Credentials can be stored in an encrypted format and accessed when required during automation execution.

• RPA developers can us...read more
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Q4. How do you delete the row in datatable while iterating the process?
Ans. 
To delete a row in a datatable while iterating, use the Remove method of the Rows collection.
• Use a loop to iterate through each row in the datatable.

• Check the condition for deletion and use the Remove method to delete the row.

• Ensure to handle the index correctly to avoid skipping rows.
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Q1. Create a power automate flow to change/modify rows in Excel.
Ans. 
Use Power Automate to modify rows in Excel.
• Create a new flow in Power Automate.

• Add a trigger for when a new row is added or modified in the Excel file.

• Use the 'Get rows' action to retrieve the rows from the Excel file.

• Apply the necessary modifications to the rows using actions like 'Apply to each' and 'Update row'.

• Save the changes back to the Excel file using the 'Update a row' action.
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Q1. Explain in detail RE_framework flow and its advantages
Ans. 
REFramework is a framework in UiPath that provides a template for building scalable and robust automation solutions.
• REFramework stands for Robotic Enterprise Framework

• It follows a state machine design pattern with 5 main states: Init, Get Transaction Data, Process Transaction, End Process, and Exception Handling

• Advantages include reusability of components, centralized exception handling, and logging capabilities

• It allo...read more
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Q2. What is Document Understanding and how it works end to end
Ans. 
Document Understanding is a process of extracting data from unstructured documents using AI and machine learning.
• Document Understanding involves using AI and machine learning to extract data from unstructured documents such as invoices, receipts, and forms.

• It includes tasks like document classification, data extraction, and validation of extracted data.

• Document Understanding can be achieved through technologies like OC...read more
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