1. What are the different types of Client Scripts in ServiceNow? 2. How do you use g_scratchpad in a Client Script? 3. What is the difference between Before Business Rule and After Business Rule? 4. Can you explain the difference between Display Business Rule and GlideAjax? 5. What are the different ways to make a field mandatory in ServiceNow? 6. What is the difference between UI Policy and Client Script? 7. What are Query Business Rules, and when would you use them? 8. How do ACLs work in ServiceNow? 9. What is the order of execution between Client Scripts, UI Policies, and Business Rules? 10. What are Script Includes, and what types of Script Includes exist? 11. How do you debug Business Rules in ServiceNow? 12. What is the difference between After Business Rule and Asynchronous Business Rule? 13. How do you restrict users from closing incidents directly from the list view? 14. How do you create a custom event and trigger it from a Business Rule? 15. How do you send data from a Business Rule to a Client Script? 16. What is the difference between GlideRecord and GlideRecordSecure? 17. How do you restrict a user to view only incidents assigned to their group? 18. How do you implement SLA definitions and attach them to tasks? 19. How do you integrate ServiceNow with a third-party REST API? 20. What are the different triggers available in Flow Designer? 21. How do you migrate update sets between instances? 22. What are the best practices for creating update sets? 23. How do you handle errors in update set preview? 24. How do you configure change risk calculation in Change Management? 25. How do you perform load testing for a ServiceNow application? 26. What are the different stages in HR Case Lifecycle? 27. How do you secure custom tables with ACLs? 28. How do you create a catalog item that generates multiple tasks? 29. How do you make fields visible only for specific views? 30. How do you show related records (like all incidents of the same caller) in a form?