Deloitte RPA Developer Interview Questions and Answers

Q1. What is orchestrator?
Ans. 
Orchestrator is a centralized platform for managing, monitoring, and controlling RPA processes.
• Centralized platform for managing RPA processes

• Allows scheduling and monitoring of bots

• Provides analytics and reporting capabilities

• Enables integration with other systems and applications
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Q2. What is Ocr engine?
Ans. 
OCR engine stands for Optical Character Recognition engine, which is a technology used to convert different types of documents, such as scanned paper documents, PDF files, or images captured by a digital camera, into editable and searchable data.
• OCR engine uses algorithms to recognize text within images or scanned documents.

• It can extract text from various sources like printed documents, handwriting, or even text withi...read more
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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. Basic questions related to uipath
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Questions on email automation and excel macros. Uipath MCQ questions

Q1. Salary discussion
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Q1. How many types of selectors are present in uipath?
Ans. 
There are three types of selectors in UiPath: UiElement, aaname, and idx.
• UiElement selector is the default selector used by UiPath, based on the attributes of the UI element.

• aaname selector is based on the 'aaname' attribute of the UI element.

• idx selector is based on the position of the UI element in the application window.
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Q2. How many ways you can store credentials in uipath
Ans. 
Credentials in UiPath can be stored in Orchestrator Assets, Windows Credential Manager, Config file, and Constants file.
• Orchestrator Assets: Securely store credentials in Orchestrator and retrieve them during automation.

• Windows Credential Manager: Store credentials in Windows Credential Manager and access them in UiPath.

• Config file: Store credentials in a separate configuration file and read them during automation.

• Cons...read more
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Q1. All questions about Automation Anywhere.
Ans. You should be prepared for the AA tool-based question.
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Q2. How to use PDF extraction?
Ans. 
PDF extraction involves using software tools to extract text, images, and data from PDF files.
• Use RPA tools like UiPath, Automation Anywhere, or Blue Prism to automate the process of extracting data from PDF files.

• Utilize OCR (Optical Character Recognition) technology to extract text from scanned PDFs.

• Extract structured data from PDF forms using data extraction techniques.

• Consider using regex patterns to extract specif...read more
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Q3. How to use the IQ bot?
Ans. 
IQ Bot is a cognitive automation solution that can learn from human behavior to handle unstructured data.
• IQ Bot uses machine learning algorithms to understand and extract data from unstructured documents.

• It can be trained to recognize patterns and extract relevant information from various types of documents.

• IQ Bot can be integrated with RPA tools like UiPath to automate end-to-end processes.

• It can handle documents like...read more
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Q4. How to use SQL queries?
Ans. 
SQL queries are used to retrieve, manipulate, and manage data stored in a database.
• Write SQL queries using SELECT, INSERT, UPDATE, DELETE statements.

• Use WHERE clause to filter data based on specific conditions.

• Join tables using INNER JOIN, LEFT JOIN, RIGHT JOIN.

• Aggregate data using functions like COUNT, SUM, AVG.

• Group data using GROUP BY clause.

• Order data using ORDER BY clause.
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Q5. What is the difference between truncating and deleting in SQL?
Ans. 
Truncating removes all records from a table, while deleting removes specific records.
• Truncating is faster than deleting as it does not log individual row deletions.

• Truncating resets identity columns, while deleting does not.

• Truncating cannot be rolled back, while deleting can be.

• Truncating is a DDL operation, while deleting is a DML operation.
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