100+ RPA Developer Interview Questions and Answers

Yes, I am familiar with various algorithms commonly used in RPA development.

• I am familiar with sorting algorithms like bubble sort, quick sort, and merge sort.

• I have experience with searching algorithms such as linear search and binary search.

• I am knowledgeable about graph algorithms like Dijkstra's algorithm and breadth-first search.

Document understanding involves several steps to extract information from documents.

• Preprocessing: Cleaning and preparing the document for analysis.

• Layout Analysis: Identifying the structure and layout of the document.

• Text Extraction: Extracting relevant text from the document.

• Data Extraction: Identifying and extracting specific data elements from the text.

• Entity Recognition: Identifying and categorizing entities mentioned in the document.

• Classification: Assigning documents t...read more

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 invoices, purchase orders, receipts, and more.

• IQ Bot can ...read more

Close stops the execution of a specific application or window, while Kill All stops all running processes in UiPath.

• Close is used to stop a specific application or window in UiPath

• Kill All stops all running processes in UiPath

• Close is more targeted and specific, while Kill All is more broad and general

Yes, I have experience with excel pivot tables.

• I have used pivot tables extensively for data analysis and reporting

• I am proficient in creating pivot tables, modifying them, and using them for data visualization

• I have experience in using pivot tables for financial analysis, sales analysis, and inventory management

Some searching algorithms include linear search, binary search, depth-first search, and breadth-first search.

• Linear search: Iterates through each element in a list until the desired element is found.

• Binary search: Divides a sorted array in half to determine if the target value is in the lower or upper half.

• Depth-first search: Explores as far as possible along each branch before backtracking.

• Breadth-first search: Explores all neighbor nodes at the present depth prior to moving...read more

Three different approaches to find even and odd numbers

• Approach 1: Using modulus operator to check if a number is even or odd

• Approach 2: Using bitwise AND operation to check if a number is even or odd

• Approach 3: Using a loop to iterate through numbers and categorize them as even or odd

Modern folders provide a more advanced and flexible way to organize and manage files compared to classic folders.

• Modern folders allow for metadata tagging and filtering, making it easier to search and categorize files.

• Classic folders follow a hierarchical structure, while modern folders can have multiple levels of subfolders.

• Modern folders support collaboration features like sharing and permissions, enabling teams to work together more effectively.

• Classic folders have limited...read more

RPA stands for Robotic Process Automation. It is a technology that uses software robots to automate repetitive tasks.

• RPA is a technology that uses software robots to automate repetitive tasks.

• It helps in streamlining business processes and improving efficiency.

• There are three types of robots in RPA: Attended robots, Unattended robots, and Hybrid robots.

• Attended robots work alongside humans and assist them in completing tasks.

• Unattended robots work independently without human ...read more

Yes, I have experience with Excel VBA.

• I have worked on automating Excel tasks using VBA macros.

• I have experience in creating user-defined functions in VBA.

• I have used VBA to manipulate data in Excel sheets.

• I have also integrated VBA with other applications like Outlook and Access.

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.

Automation Anywhere v11 is the older version with limited features, while A360 is the newer version with advanced capabilities.

• Automation Anywhere v11 has limited AI capabilities compared to A360

• A360 offers cloud-native architecture for scalability and flexibility

• A360 provides enhanced analytics and reporting features for better insights

• A360 supports more integrations with third-party applications

Environment Variable is a dynamic-named value that can affect the way running processes will behave on a computer.

• Environment Variables are used to store configuration settings for software applications.

• They can be accessed by the operating system and applications to determine specific behavior.

• Examples include PATH variable in Windows which specifies directories in which executable programs are located.

• Another example is JAVA_HOME variable which points to the installation di...read more

Yes, I have experience with Excel macro.

• I have created macros to automate repetitive tasks in Excel.

• I have used VBA to write custom functions and automate data processing.

• I have experience with Excel object model and can manipulate worksheets, cells, and ranges programmatically.

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 specific information from PDF documents.

• Verify the accuracy of e...read more

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.

Selectors in UiPath are expressions used to identify and interact with UI elements in applications.

• Selectors are used in UiPath to target specific UI elements within applications.

• Selectors are made up of attributes that uniquely identify the element, such as id, name, class, etc.

• Selectors can be created manually or generated automatically using UiExplorer.

• Selectors are crucial for automating processes as they enable the robot to interact with the correct elements.

• Example:

Selectors in RPA are used to identify elements on a screen or webpage to interact with them.

• Selectors can be of different types such as ID, class, name, tag name, XPath, CSS selector, etc.

• ID selectors target elements with a specific ID attribute.

• Class selectors target elements with a specific class attribute.

• Name selectors target elements with a specific name attribute.

• Tag name selectors target elements with a specific HTML tag name.

• XPath selectors use path expressions to sel...read more

Screen scraping is the process of extracting data from the display output of another program.

• Screen scraping involves extracting text or data from the user interface of a software application.

• It is commonly used in RPA to automate tasks that involve interacting with legacy systems or applications without APIs.

• Screen scraping can be done using various techniques such as OCR (Optical Character Recognition) or DOM parsing.

• Examples of screen scraping tools include UiPath, Blue Pr...read more

There are three types of recorders available in UiPath: Basic, Desktop, and Web.

• Basic Recorder: Used for automating simple tasks and can only record mouse and keyboard actions.

• Desktop Recorder: Used for automating desktop applications and can record mouse, keyboard, and click activities.

• Web Recorder: Used for automating web applications and can record mouse, keyboard, and click activities on web pages.

• Examples: Basic Recorder can be used to automate data entry tasks, Desktop ...read more

Process mining is a technique to analyze business processes by extracting data from event logs.

• It involves discovering, monitoring, and improving processes

• It uses data mining and machine learning techniques

• It helps to identify bottlenecks, inefficiencies, and opportunities for improvement

• Examples include analyzing customer journeys, supply chain processes, and financial transactions

Best practices in BluePrism at process studio include following naming conventions, using comments, and modularizing processes.

• Follow consistent naming conventions for objects and actions to maintain clarity and organization.

• Use comments to explain the purpose and functionality of each object and action for easier understanding by other developers.

• Break down complex processes into smaller, reusable modules to promote reusability and maintainability.

• Regularly review and optimi...read more

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 transitions.

• Add queue item adds an item to a queue, while A...read more

Thin client is a lightweight device that relies on a server for processing, while thick client is a standalone device with its own processing power.

• Thin client relies on server for processing, while thick client has its own processing power

• Thin client is lightweight and requires less maintenance, while thick client is heavier and requires more maintenance

• Examples of thin client include web-based applications and virtual desktops, while examples of thick client include desktop...read more

Automation Anywhere architecture consists of Control Room, Bot Creators, and Bot Runners.

• Control Room acts as a centralized hub for managing bots, scheduling tasks, and monitoring performance.

• Bot Creators are used to design and create bots by recording tasks or using pre-built actions.

• Bot Runners execute the automated tasks created by Bot Creators on various machines.

• The architecture also includes a Bot Store for accessing pre-built bots and a Bot Insight for analytics and re...read more

To stop and kill a job in Orchestrator, use the Stop Job and Kill Job activities respectively.

• Use the Stop Job activity to gracefully stop a running job.

• Use the Kill Job activity to forcefully terminate a running job.

• Both activities can be found in the System > Jobs category in the Activities panel.

• You can pass the Job ID as input to these activities to specify which job to stop or kill.

Active work queue is a list of items that are currently being processed by a robot.

• Active work queue helps the robot to prioritize tasks and manage workload.

• It allows the robot to track the progress of each item in the queue.

• Examples of items in the queue include invoices, purchase orders, and customer requests.

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.

Best practices in RPA Development

• Standardize naming conventions for better readability and maintainability

• Implement exception handling to handle errors and exceptions gracefully

• Use version control to track changes and collaborate with other developers

• Document the RPA solution thoroughly for future reference and troubleshooting

• Perform regular testing and debugging to ensure the accuracy and reliability of the automation

• Follow security best practices to protect sensitive data a...read more

Session variable is a variable that is stored and can be accessed during a user's session on a website or application.

• Session variables are used to store user-specific information, such as login credentials or preferences.

• They are stored on the server-side and can be accessed by the application during the user's session.

• Session variables are typically cleared when the user logs out or their session expires.

• Examples of session variables include shopping cart contents, user lan...read more

I am open to discussing the package range based on the project requirements and scope.

• I am willing to consider joining with a lower package if the project offers growth opportunities or valuable experience.

• I can negotiate other benefits or incentives in lieu of a higher salary, such as flexible work hours or additional training opportunities.

• I would like to understand the project budget constraints and discuss how my skills and expertise can add value within those limitations...read more

Unique credentials for WLM bots can be handled by using secure credential stores or key management systems.

• Use secure credential stores to securely store and retrieve credentials for WLM bots.

• Implement key management systems to manage and rotate credentials for enhanced security.

• Utilize encryption techniques to protect sensitive credentials during transmission and storage.

Commands and techniques for migrating taskbots in A360

• Use the Export and Import commands in Automation Anywhere to migrate taskbots

• Ensure all dependencies are included in the migration process

• Test the migrated taskbots thoroughly before deployment

To stabilize a dynamic selector, use wildcards, anchor base, idx attribute, and reliable attributes.

• Use wildcards (*) to replace changing parts of the selector.

• Utilize anchor base to anchor the selector to a stable element.

• Consider using the idx attribute if the element's position is consistent.

• Use reliable attributes like aaname, id, or css classes for selectors.

• Regularly test and update selectors to ensure stability.

Some sorting algorithms include Bubble Sort, Selection Sort, Insertion Sort, Merge Sort, Quick Sort, and Heap Sort.

• Bubble Sort - repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order

• Selection Sort - repeatedly finds the minimum element from the unsorted part and swaps it with the first unsorted element

• Insertion Sort - builds the final sorted array one item at a time by inserting each element into its correct position

• Merge...read more

RPA stands for Robotic Process Automation. There are mainly 3 types of bots in RPA: Attended, Unattended, and Hybrid bots.

• RPA is a technology that uses software robots to automate repetitive tasks and processes.

• Attended bots work alongside human employees to assist with tasks in real-time.

• Unattended bots operate without human intervention, running scheduled tasks in the background.

• Hybrid bots combine elements of both attended and unattended bots for more flexibility.

• Examples ...read more

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 elements that have stable attributes.

• Use dynamic selectors: Use...read more

Error handling is an important aspect of Automation Anywhere to handle exceptions and errors during bot execution.

• Use Try-Catch blocks to handle exceptions

• Use Error Actions to handle errors and take corrective actions

• Use Log to File action to log errors and exceptions

• Use Recovery Mode to recover from errors and continue bot execution

• Use Error Message action to display custom error messages

Bot creator designs and develops the bot, while bot runner executes the bot and monitors its performance.

• Bot creator designs and develops the bot based on the requirements provided by the organization.

• Bot runner is responsible for executing the bot on the designated systems and monitoring its performance.

• Bot creator may need to collaborate with business analysts and stakeholders to understand the process to be automated.

• Bot runner ensures that the bot is running smoothly and ...read more

API automation with UiPath

• UiPath provides activities and tools to automate API interactions

• Use HTTP Request activity to send HTTP requests and receive responses

• Extract data from API responses using JSON or XML parsing

• Handle authentication and authorization using headers or tokens

• Automate repetitive API tasks like data extraction, data synchronization, etc.

I have developed 10 bots in my previous job.

• I have experience in developing bots for various industries such as finance, healthcare, and retail.

• I have developed bots using tools such as UiPath, Automation Anywhere, and Blue Prism.

• I have also worked on developing custom bots for specific client needs.

• I have experience in bot maintenance and troubleshooting.

• Some examples of bots I have developed include invoice processing bots, customer service bots, and inventory management bo...read more

To spy elements in Surface Automation, use the UI Explorer tool to identify and select the elements on the screen.

• Use UI Explorer tool to spy elements

• Identify and select elements on the screen

• Verify properties and attributes of elements

AI Center is a platform for training and deploying machine learning models.

• AI Center is a platform provided by some RPA tools like UiPath for training and deploying machine learning models.

• Models are trained in AI Center by providing labeled data to the system, which learns patterns and relationships to make predictions.

• AI Center uses algorithms like neural networks, decision trees, and support vector machines to train models.

• Once trained, models can be deployed in production...read more

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.

• Constants file: Store credentials as constants in a separate f...read more

Assets, REFramework, and UiPath Studio are key components in UiPath for managing resources, building robust automation workflows, and developing automation projects.

• Assets are key-value pairs used to store credentials, settings, and other data securely in UiPath Orchestrator for easy access in automation workflows.

• REFramework is a template for building scalable and robust automation projects in UiPath, providing a structured framework for exception handling, logging, and tran...read more

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 allows for easy maintenance and scalability of automation proj...read more

Unique queue items can be detected by comparing item attributes like ID or name.

• Compare unique identifiers like item ID or name

• Use conditional statements to check for uniqueness

• Implement error handling for duplicate items