UI Path only interview questions

 

General UiPath Questions:

1. Explain the different components of UiPath architecture.
2. What are the differences between attended and unattended robots?
3. How does UiPath handle exception management and error handling?
4. What is the difference between UiPath Orchestrator queues and databases for managing transactions?
5. Can you explain the role of UiPath Robot, Studio, and Orchestrator in an automation project?
6. What are the best practices you follow while designing UiPath workflows?
7. How do you manage credentials securely in UiPath?
8. Explain the difference between a state machine, flowchart, and sequence in UiPath.
9. How do you ensure high availability and scalability of UiPath bots?
10. What strategies do you use to improve bot performance and reduce execution time?

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Selectors and UI Automation:

11. How do you optimize selectors for better stability?
12. What is the difference between full selectors and partial selectors?
13. How do you handle dynamic selectors in UiPath?
14. What are anchor-based selectors, and when should they be used?
15. How can you verify the robustness of UI automation selectors?
16. How do you deal with Citrix or virtual desktop automation in UiPath?
17. Explain the role of wildcard characters in selectors.
18. How do you handle UI element changes in an application with frequent updates?

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Data Handling and Processing:

19. What are the different ways to handle large datasets in UiPath?
20. How can you efficiently process data from Excel files with millions of rows?
21. Explain the difference between DataTable and Dictionary in UiPath.
22. How do you perform bulk operations instead of single-row processing?
23. How do you filter and sort data efficiently within UiPath workflows?
24. What is the difference between LINQ queries and DataTable operations in UiPath?
25. How do you handle structured and unstructured data in UiPath?

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Orchestrator & Deployment:

26. How do you manage version control in UiPath projects?
27. What are the key features of UiPath Orchestrator?
28. How do you schedule bots and monitor their performance?
29. What are the different ways to trigger bots in UiPath?
30. How do you implement queue-based processing in Orchestrator?
31. What is the difference between modern and classic folders in Orchestrator?
32. How do you manage robot workload balancing in Orchestrator?
33. How do you handle transactional failures in Orchestrator queues?
34. What security measures should be considered when deploying bots using Orchestrator?
35. How do you monitor and generate reports on bot performance in Orchestrator?

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Performance Optimization & Scalability:

36. How can you optimize UiPath workflows for better performance?
37. How do you use parallel processing in UiPath?
38. How do you minimize UI interaction and prefer background execution in UiPath?
39. How do you reduce memory consumption in long-running UiPath processes?
40. What strategies do you use to handle large file processing in UiPath?
41. How do you manage and optimize logging in UiPath?

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Integration with Other Systems:

42. How do you integrate UiPath with web services and APIs?
43. What is the difference between REST and SOAP API integration in UiPath?
44. How do you interact with databases in UiPath?
45. How do you manage document processing using AI capabilities in UiPath?
46. How do you integrate UiPath with cloud platforms like Azure and AWS?
47. How do you use UiPath with tools like Power Automate or other RPA platforms?
48. How do you automate emails and handle attachments in UiPath?

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Security & Compliance:

49. How do you ensure data security in UiPath workflows?
50. What are the key compliance requirements when automating with UiPath?
51. How do you implement role-based access control (RBAC) in Orchestrator?
52. How do you encrypt and decrypt sensitive data within a UiPath process?
53. How do you audit bot execution for compliance purposes?

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Advanced Topics:

54. How do you handle attended automation with human-in-the-loop scenarios?
55. What are UiPath AI Fabric and AI Center?
56. Explain the importance of document understanding in UiPath and how to implement it.
57. How do you use REFramework to create robust automation solutions?
58. How do you migrate UiPath bots from one environment to another?
59. Explain the differences between synchronous and asynchronous activities in UiPath.
60. How do you optimize execution when working with OCR in UiPath?

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Troubleshooting & Debugging:

61. What are the common challenges faced in UiPath automation and how do you resolve them?
62. How do you debug and troubleshoot UiPath workflows effectively?
63. How do you capture and analyze logs for failure diagnosis in UiPath?
64. How do you handle application crashes or unexpected pop-ups during execution?
65. What tools do you use to monitor bot health and execution status?
    
    
66. How do you retry a failed transaction in REFramework?
67. What logging levels are available in UiPath?
68. How do you use the Immediate Panel in Debug mode?
69. How do you automate applications in Citrix or remote desktops?
70. How do you ensure bots handle PII and sensitive data securely?
71. What are some UiPath coding best practices?

72. What is UiPath Apps and when would you use it?

73. How does Action Center support human-in-the-loop processes?

74. How do you assign and track actions from Action Center?

75. What is AI Center in UiPath?

76. How do you deploy an ML model in a UiPath workflow?

77. What KPIs do you track for an RPA process?

78. How do you manage exception-heavy processes?
    
    

    Architecture & Design Patterns

    1. How do you architect an enterprise-grade RPA solution with UiPath for high-volume, multi-tenanted environments?

    2. How do you handle cross-cutting concerns like logging, exception handling, retry mechanisms, and auditing in UiPath workflows?

    3. What architectural changes would you make to REFramework for a long-running human-in-loop process?

    4. Can you explain your approach to implementing loosely coupled, modular automation components across multiple workflows?

    5. How do you design RPA processes for high availability and disaster recovery?

    Scalability & Performance

    6. How would you optimize UiPath workflows that process millions of records from multiple input sources?

    7. What is your strategy for load balancing attended and unattended bots in a production environment?

    8. How do you monitor and scale RPA bots dynamically in an enterprise setup with fluctuating workloads?

    9. What steps would you take to reduce transaction processing latency in REFramework?

    10. How do you address Orchestrator performance bottlenecks in large deployments?

    Security & Compliance

    11. How do you ensure compliance with data privacy (e.g., GDPR, HIPAA) in an RPA solution?

    12. What are the best practices for secrets management in UiPath beyond Orchestrator assets?

    13. How would you secure bots running on shared virtual machines in a BPO environment?

    14. How do you implement role-based access control and audit trails in an RPA solution?

    15. What security controls do you apply when integrating UiPath with external systems (e.g., SAP, APIs)?

    Enterprise Integration & Advanced Use Cases

    16. Explain how you've integrated UiPath with enterprise tools like ServiceNow, Salesforce, or SAP.

    17. What are the limitations of UiPath's API activities and how have you overcome them?

    18. Have you implemented attended+unattended hybrid processes? How did you manage synchronization?

    19. How would you integrate UiPath with AI/ML models hosted on Azure or AWS?

    20. Describe a real use case where you used Document Understanding with custom ML models.

    Governance, COE, and Best Practices

    21. What is your approach to setting up an RPA Center of Excellence (CoE)?

    22. How do you manage change control, versioning, and approvals for UiPath bots?

    23. How do you define and enforce reusable component libraries across teams?

    24. How do you establish SLA and KPI reporting mechanisms for bots in production?

    25. How do you handle dependency management across multiple UiPath projects?

    Advanced UiPath Capabilities

    26. Explain the role and internals of UiPath Robot.js in attended automation.

    27. What are the limitations of REFramework and how have you extended it in your solutions?

    28. How do you use Orchestrator APIs to build custom dashboards or integrations?

    29. Have you used custom activities in UiPath? Walk through how you created and deployed one.

    30. How would you automate Citrix/VDI systems at scale with minimal errors?

    CI/CD & DevOps for RPA

    31. How do you implement a full CI/CD pipeline for UiPath using Azure DevOps or Jenkins?

    32. What challenges have you faced in implementing automated testing for UiPath workflows?

    33. How do you manage versioned deployments across development, UAT, and production environments?

    34. How do you ensure rollback and recovery in case of a failed production deployment?

    Troubleshooting & Real-World Challenges

    35. Describe a production outage you handled for a critical bot — what steps did you take?

    36. How do you investigate and fix performance degradation in a UiPath workflow?

    37. What’s your process for root cause analysis when bots silently fail or behave inconsistently?

    38. How do you handle version mismatches between Studio, Orchestrator, and Robots?

    Leadership & Strategy

39. How do you align RPA implementation with broader digital transformation goals?

40. What’s your approach to identifying and prioritizing automation candidates across departments?

41. How do you mentor junior RPA developers and enforce engineering best practices?

42. How do you present RPA ROI to senior stakeholders or business leaders?

79. Real-World Scenarios & Complex Use Cases

    43. How would you handle automation of a process where the underlying application UI frequently changes (e.g., due to weekly updates)?

    44. How do you handle situations where external APIs used in your automation have rate limits or frequent downtime?

    45. Describe how you would automate a process that requires multi-factor authentication (MFA).

    46. How do you ensure automation resiliency in the case of network latency or instability during file downloads/uploads?

    47. How do you design automations that span across multiple systems with asynchronous communication?

    Bot Lifecycle Management

    48. What are the stages of a bot's lifecycle in enterprise RPA?

    49. How do you manage bot version upgrades across large-scale deployments?

    50. How do you retire or decommission bots that are no longer in use?

    51. What’s your approach to bot testing – unit testing, integration testing, and UAT?

    Monitoring & Analytics

    52. How do you monitor robot execution in real time?

    53. What is your experience integrating UiPath with tools like Splunk, AppDynamics, or Power BI for logging/analytics?

    54. How would you implement proactive alerting for bot failures or slow transactions?

    55. What metrics/KPIs do you define for ongoing performance monitoring of your automations?

    Multi-Tenancy & Environment Management

    56. How do you manage multiple environments (Dev, Test, UAT, Prod) within UiPath Orchestrator?

    57. What are the implications of multi-tenancy in Orchestrator for enterprise RPA governance?

    58. How do you isolate bot credentials and configurations across tenants or environments?

    Advanced REFramework Customization

    59. How would you extend REFramework to support multi-bot transaction load sharing?

    60. How do you modify the Init and End process states in REFramework for systems requiring complex login/logout flows?

    61. How would you integrate REFramework with an AI-based decision engine mid-process?

    UiPath Test Suite & Automation Testing

    62. How do you use the UiPath Test Suite for automated workflow testing?

    63. What are the benefits of using Test Manager in a regulated automation environment?

    64. Have you implemented test automation using UiPath for non-RPA applications (e.g., web or desktop app testing)?

    Infrastructure & Bot Deployment

    65. What’s the difference between standard machine and floating robot configurations?

    66. How do you architect RPA deployment across hybrid (cloud + on-prem) environments?

    67. How do you configure unattended robots for high-availability using load balancing or clustering?

    68. How do you manage virtual machine pools (e.g., Citrix, VDI) for large bot farms?

    Licensing & Cost Optimization

    69. How do you manage license allocation and optimization in a multi-team RPA environment?

    70. What’s the impact of modern folder licensing vs classic folders in UiPath Orchestrator?

    71. How do you track license consumption and ensure optimal ROI?

    Process Mining & Discovery

    72. Have you used UiPath Process Mining or Task Mining tools? What insights did you gain?

    73. What’s your approach for discovering automation candidates across a large enterprise?

    74. How do you validate whether a task/process is viable for automation (business case + technical feasibility)?

    AI Center & Intelligent Automation

    75. What is your experience deploying machine learning models using UiPath AI Center?

    76. How do you handle retraining and versioning of AI models used in UiPath workflows?

    77. How would you combine RPA with NLP to automate email and document classification?

    UiPath Marketplace & Customization

    78. Have you published or used components from the UiPath Marketplace?

    79. What are the advantages of building your own custom activity libraries?

    80. How do you ensure quality and security when using third-party packages in automation?