NTT DATA Senior Software Engineer interview questions

Technical interview for .net core , Web Api, Entity framework,Sql server, Angular) 1.what are challenges you faced in recent project. 2.custom middleware you worked on. 3.JWT token Algorithm machanism. 4. code review 5. Custom extension method. 6. What are different Route guards , give me one of implementation process. 7. What is GC level. Please explain how it work internally. 8. How many angular version are used. & What is different between them. 9. Design pattern. 10. Azure function. 11. Web ApI status code. 12. Sql query... 13.given a problem statement for code tracing.