Frequently Asked Interview Questions on UiPath with Answers

One of the top RPA platforms is UiPath, which is renowned for its strong market presence, feature-rich design, and ease of use. Because of this, it’s a highly sought-after skill in the RPA market. There is a need for expert UiPath professionals to plan, create, and execute automation solutions. These 40 interview questions on UiPath and answers are categorized for freshers and experienced professionals. Explore our UiPath course syllabus to get started.

UiPath Interview Questions and Answers for Freshers

Here are basic UiPath interview questions and answers for beginners.

1. What is UiPath?

A Robotic Process Automation (RPA) program called UiPath is used to automate rule-based and repetitive operations. For creating automation workflows, it offers a drag-and-drop interface. It helps companies optimize procedures by utilizing automation and artificial intelligence. In the field of robotic process automation (RPA), UiPath is a pioneer. 

2. What is UiPath Orchestrator?

A web-based tool called UiPath Orchestrator is used to schedule, control, and keep an eye on processes and robots. A web program called UiPath Orchestrator controls robots that carry out routine corporate tasks. It can be utilized to control the resources that these robots use.  

3. What is a workflow in UiPath?

An automated process’s steps are defined by a workflow, which is a series of actions. In UiPath, a workflow is a planned series of actions that automates jobs or procedures. Web browsers, web apps, and other applications can be automated with workflows.

4. What are the main components of UiPath?

The primary components of UiPath are:

• UiPath Studio: It is for creating workflows for automation.
• UiPath Robot: It is to carry out the processes.
• UiPath Orchestrator: It is for process and robot management and monitoring. 

5. What are the types of workflows in UiPath?

The various types of workflows in UiPath are:

• Sequence: A planned series of actions carried out sequentially. This is the typical UiPath workflow.
• Flowchart: An illustration of a sequence of actions and choices. Processes with several decision points can be automated with the use of flowcharts.
• State Machine: A particular kind of workflow design.
• Global Exception Handler: A design for a workflow that detects execution problems and decides how to proceed when one happens  

6. What is the use of the “Assign” activity?

A variable can be given a value using the “Assign” activity. In essence, it is a method to set the value of a variable at a certain point in your automation sequence. It is used to assign a specific value to a variable within a workflow, enabling you to store data or calculated results in a variable for later use in the process.

7. What is the “If” activity used for?

A workflow’s conditional logic is created using the “If” activity. The “If” activity in automation platforms such as UiPath is used to create conditional logic in a workflow. 

This enables the automation to perform various sets of actions based on whether a particular condition is true or false, effectively making decisions based on input values or data.  

8. What is the “Switch” activity?

To handle several circumstances depending on the value of a variable or argument, utilize the “Switch” action. 

When working with scenarios where there are multiple possible outcomes that need to be handled differently within a workflow, a “Switch” activity in automation tools like UiPath is a control flow element that lets you choose one course of action out of multiple options based on the value of a specified expression. 

It functions similarly to a switch statement in programming, where different code blocks are executed depending on which case matches the evaluated condition.  

9. What is the “For Each” activity?

A list or array of things can be iterated through using the “For Each” activity. Using a loop-based action that iterates through each item in a collection (such as an array, list, or data table), a “For Each” activity in a workflow automation platform like UiPath or Azure Data Factory enables you to perform a series of actions on each individual item in that collection.

10. What is the “Invoke Workflow File” activity?

It is employed to invoke a different workflow from the one that is already running. By dividing complicated processes into smaller, reusable workflows, UiPath’s “Invoke Workflow File” activity lets you call and run a different workflow file (.xaml) from within your existing workflow. 

This effectively allows you to reuse code by passing input arguments to the called workflow and possibly receiving output values back from it. 

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11. What is a selector in UiPath?

A string used to identify UI elements on the screen is called a selector. It is utilized in tasks such as “Click” and “Type Into.” To locate and work with UI elements on a page or window in UiPath, use a selector. A crucial component of UI automation and UiPath Studio are selectors.  

12. What is the “Wait” activity used for?

The workflow can be paused for a predetermined amount of time or until a condition is satisfied by using the “Wait” activity.

• In a workflow or automation process, a “Wait” activity is used to purposefully halt the process’s execution for a predetermined amount of time.
• It allows for a delay before proceeding to the next step. 
• It serves as a timer to regulate the process’s flow by introducing a purposeful pause.  

13. What is the “Delay” activity?

The workflow can be paused for a predetermined period of time using the “Delay” action. 

• In the context of workflow automation, a “Delay” activity is a function that purposefully stops a process’s execution for a predetermined amount of time, effectively establishing a waiting period within the workflow. 
• It is utilized when you need to wait for a particular application to load, information to be processed, or an action to finish before proceeding to the next stage.  

14. What is the “Try Catch” activity?

Error management is accomplished by the “Try Catch” action. It enables you to specify what should happen in the event of an error.

You can define a block of code to be executed (“Try”) and specify how to handle potential errors or exceptions that might occur within that block (“Catch”). 

• It is frequently used in robotic process automation (RPA) platforms like UiPath.
• It enables graceful error handling within your automation process.
• If an error occurs in the “Try” section, the “Catch” section will execute to manage the issue and prevent the automation from abruptly stopping. 

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15. What is the “Log Message” activity?

For debugging purposes, messages can be logged to a log file or the output panel using the “Log Message” activity.

As a means of documenting important events or status updates within your application or workflow, a “Log Message” activity, usually found in automation or workflow tools. 

It allows developers to write a custom text message to a log file, effectively recording information about the current state of a process for debugging or monitoring purposes.

16. What is the “Excel Application Scope” activity?

To open an Excel file and carry out actions inside its scope, use the “Excel Application Scope” activity. 

As a bridge to the full functionality of the Excel application on a user’s computer, the “Excel Application Scope” activity in robotic process automation (RPA) tools like UiPath enables users to interact with Microsoft Excel files by offering a container to carry out multiple operations like reading, writing, and manipulating data within a single activity. 

It’s especially helpful for complex automation tasks that call for direct interaction with Excel features like formulas, macros, and formatting.  

17. What is REFramework in UiPath?

The Robotic Enterprise Framework, or REFramework, is a template for creating reliable and scalable automation procedures. It comprises states such as Init, Process Transaction, Get Transaction Data, and End Process.

For creating automation workflows, UiPath offers a framework called the Robotic Enterprise (RE) Framework. It is intended to assist developers in creating dependable and scalable automation processes and is based on state machines.  

18. What are the states in REFramework?

“Initialization,” “Get Transaction Data,” “Process Transaction,” and “End Transaction” are the main states in UiPath’s REFramework (Robotic Enterprise Framework).
These states essentially represent the setup phase, data retrieval for processing, the actual processing stage, and the steps involved in concluding a business transaction within the automation workflow.  

• Init: It sets up the procedure.
• Get Transaction Data: It retrieves information from a queue or another source.
• Process Transaction: Data is processed by it.
• End Process: Manages the process’s conclusion. 

19. What is the use of the “Retry Scope” activity?

If an error occurs, a collection of actions can be tried again up to a predetermined number of times using the “Retry Scope” activity. 

• A robotic process automation (RPA) tool such as UiPath has an activity called “Retry Scope” that lets you define a block of actions that will automatically retry if they fail. 
• This effectively gives the system a predetermined number of tries to successfully complete an operation before continuing. 
• It’s especially helpful for handling short-term problems like network outages or unresponsive apps.  

20. What are queues in UiPath Orchestrator?

Transactional data is managed and processed in an organized way using queues. They assist in managing retries and exceptions. 

• A “queue” in UiPath Orchestrator is a container that holds a group of data items, such as invoice or customer information, that can be processed by robots one at a time. 
• It functions as a sort of waiting list for tasks to be completed, making it possible to manage large automation projects with complex logic efficiently. 
• You can add items to a queue from your UiPath Studio workflows or through the Orchestrator interface.

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UiPath Interview Questions for Experienced

Here are the advanced UiPath interview questions and answers:

1. What is the “Continue” activity?

To go to the next iteration of a loop and bypass the current one, use the “Continue” activity. 

• A statement inside a loop that skips the remaining code in the current iteration and instantly jumps to the next iteration of the loop is known as a “Continue” action in programming. 
• This effectively enables you to bypass various loop sections depending on a given circumstance.  

2. What is the “Break” activity?

To break out of a loop early, utilize the “Break” activity. Programming languages and automation systems like UiPath often have “Break” activities, which are commands that let you end a loop or repetitive process early. The computer will then continue on to the following instruction outside the loop.  

3. What is the “Invoke Code” activity?

To run custom code written in C# or VB.NET, utilize the “Invoke Code” activity. 

By passing input arguments and possibly receiving output values back into the workflow, the “Invoke Code” activity in UiPath lets you run custom code written in either C# or VB.NET directly within your automation workflow. 

This allows you to perform intricate data manipulations or custom logic that might not be easily accessible through standard UiPath activities.  

4. What is the “Invoke PowerShell” activity?

To run PowerShell scripts from within a workflow, utilize the “Invoke PowerShell” action. 

• The “Invoke PowerShell” activity in robotic process automation (RPA) platforms such as UiPath is a feature that lets you run PowerShell commands right within your workflow. 
• This basically allows developers to use PowerShell scripting to carry out system management tasks inside your automation process.

5. What is the “OCR” activity in UiPath?

Text can be extracted from photos or scanned documents using the “OCR” (Optical Character Recognition) activity. 

• OCR is a useful tool for automating tasks that require reading text from digital images or physical documents. 
• It enables you to extract text from images or scanned documents, effectively turning them into editable and searchable data by analyzing the image and identifying the characters within it.  

6. What is the “Data Scraping” activity?

Structured data can be extracted from websites or applications using the “Data Scraping” activity. It is basically the act of “harvesting” data from web pages. 

“Data scraping” is the process of extracting specific data from websites or other online sources, usually with the use of automated software, to gather structured information such as product prices, contact information, or news articles, and store it in a usable format such as a spreadsheet or database, frequently for further analysis or comparison purposes.  

7. What is the “Screen Scraping” activity?

Data extraction from an application’s user interface is accomplished using the “Screen Scraping” activity. When a dedicated API for data access is unavailable, a technique known as “screen scraping” is employed, which is thought to be less secure than accessing data through an official API. 

It involves a program automatically extracting data displayed on a computer screen, such as from a website or application, by simulating user interaction to capture information visually displayed on the interface.

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8. What is the difference between a variable and an argument?

In programming, an argument is a specific value passed to a function when it is called, effectively giving the function input data from another section of the code. 

An argument is a piece of data passed to a function to be used during its execution, whereas a variable is a placeholder that stores data within a specific scope, allowing the data to change during program execution.  

Key Differences Between A Variable and An Argument:

9. What is the difference between attended and unattended robots?

While unattended robots operate on their own, attended robots collaborate with people. Virtual assistants are another name for attended robots. The major differences between attended and unattended robots:

10. What is the difference between full selector and partial selector?

All of the information from the root to the target element is included in a full selector in UiPath to identify an element. A partial selector uses a container’s context to determine an element.

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Scenario-Based Interview Questions on UiPath

Here are the scenario-based UiPath interview questions and answers:

11. How would you handle dynamic elements in UiPath?

To deal with dynamic items, use wildcards (*) or partial selectors in the selector. Using “Dynamic Selectors” to handle dynamic elements in UiPath mainly allows you to include variables in your element selectors. 

This allows your automation to adjust to changing attributes such as IDs, text values, or indexes by matching dynamic parts of the element’s properties with wildcards (*) or other placeholder characters while identifying the core, stable parts of the selector. 

You can also use techniques like relative selectors, anchor-based selectors, and regular expressions to increase the robustness of your automation when working with dynamic content.  

12. How would you automate a process that involves multiple Excel files?

Loop over the files using the “For Each” action, then process each file using the “Excel Application Scope” activity. Depending on your needs and the complexity of the process, you can use Excel’s Power Query feature,

• To combine data from multiple files, create custom macros using VBA (Visual Basic for Applications).
• To carry out repetitive tasks across multiple workbooks. 
• To use a specialized automation tool like Power Automate to manage file access, data manipulation, and execution across various files in a folder.  

13. How would you handle exceptions in a workflow?

To handle exceptions, use the “Try Catch” action; to log problems, use the “Log Message” activity. 

• You can normally use a “try-catch” mechanism to handle exceptions in a workflow, where the potentially error-prone code is wrapped in a “try” block and specific exception types are caught and handled within “catch” blocks. 
• Depending on the exception encountered, you can take appropriate actions like logging the error, retrying the operation, or notifying the user. 
• You can also use a “finally” block to execute code that doesn’t depend on whether an exception occurs, like cleaning up resources.

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14. How would you automate a process that requires user input?

Get user input using the “Input Dialog” activity, then save it in a variable. When automating a process that needs human input, you can use tools such as user interface (UI) automation frameworks to record and enter data straight from a user interface. 

Pop-up windows, forms, or special input fields can be used to prompt for the information you need, simulating user interaction while automating most of the process steps.

Key Strategies to Handle User Input in Automation:

• Predefined variables.
• Prompting for input.
• File-based input.
• Integration with external systems.

15. How would you schedule a process in UiPath?

Make a schedule for the procedure using UiPath Orchestrator. 

Using the UiPath Orchestrator, you can schedule a process in UiPath by defining triggers based on time intervals (hourly, daily, weekly, etc.) that will run your process automatically at predetermined times. 

Open the Orchestrator, go to the “Schedules” section, choose your process, and then set the desired trigger schedule with start time, recurrence, and any conditions that may be required.  

Steps to Schedule A Process in UiPath:

• Publish your UiPath project to the Orchestrator.
• Access the Schedules section.
• Create a new schedule.
• Select your process.
• Set the trigger.
  • Frequency
  • Start time
  • Days of the week (if applicable)
• Optional settings.
• Save the schedule.

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16. How would you handle large datasets in UiPath?

Large datasets can be managed and processed in parts using Orchestrator’s queues. Streaming or chunking techniques are one way to deal with enormous data. 

Instead of loading the entire data at once, you can analyze it in smaller batches or bits. In addition to enabling parallel or distributed computation, streaming or chunking can lower the memory footprint.

17. How would you automate a process that involves web scraping?

To extract data from online pages, use the “Data Scraping” or “Screen Scraping” activities. The standard procedure for automating a web scraping process is 

• To find the target website 
• To create a scraping script using a specialized web scraping library (such as Scrapy in Python).
• To schedule the script to run at regular intervals. 
• To use HTML parsing techniques to extract the pertinent data from the website
• To store the scraped data in a structured format, such as a database or CSV file, 
• Making sure to adhere to the website’s terms of service and include the necessary error handling mechanisms.  

18. How would you debug a workflow in UiPath?

To debug the workflow, use the Output panel, the “Log Message” action, and breakpoints. 

• By setting breakpoints at specific workflow activities and running the workflow in debug mode, which pauses execution at the breakpoint. 
• You can use Studio’s built-in debugging tools to debug a workflow in UiPath. 

This will allow you to inspect variables, step through each activity individually using the “Step Into” functionality, and examine the behavior of the workflow at each stage.  

19. How would you improve the performance of a workflow?

We can improve the performance of a workflow by eliminating unnecessary delays, employing effective loops, and optimizing selections. A workflow’s performance can be enhanced by: 

• Analyzing the current process to find bottlenecks and unnecessary steps.
• Automating repetitive tasks when feasible.
• Clearly defining roles and responsibilities.
• Prioritizing tasks according to importance.
• Streamlining communication.
• Implementing continuous improvement practices to monitor and adjust the workflow as necessary. 

In essence, the goal is to improve the flow of tasks through the system, reduce manual labor, and eliminate redundancies.  

20. How would you handle a process that requires integration with APIs?

In order to communicate with APIs and handle the replies, utilize the “HTTP Request” activity. 

To ensure smooth data exchange and maintain system stability, we must do the following:

• Prioritize security measures.
• Carefully map data between systems.
• Implement robust error handling.
• Test the integration frequently.
• Monitor API usage. 

This includes understanding the functionalities, authentication methods, data formats, and potential limitations of the API, as well as taking into account data transformation requirements and potential integration issues.

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Conclusion

In order to prepare for an UiPath interview, one must have a firm grasp of both fundamental and sophisticated UiPath concepts in addition to hands-on experience creating and executing automation workflows. The topics covered by interview questions on UiPath and answers above are extensive. Master robotic process automation with our UiPath training in Chennai.