Virtusa Java Architect interview questions

1. describe your experience in terms of technology stack, projects and roles and responsibilities in brief 2. what is the use of API Gateway ? have you done authentication in API gateway 3. have you used AWS Glue ? what it is used for 4. How many aws services you have used in your project 5. If I am getting connection time out error in AWS Lamda when connecting to a database in another VPC then how to rectify the same 6. What are the predominant design patterns in REST 7. If you have a choice of infrastructure resource development which one you will use cloud formation or terraform 8. which core java design patterns you have used and why 9. If S3 bucket has some image files and we store the image path to the database, in which case we get error like you are not authenticated to download this file from bucket 10. what are the steps in CICD development 11. what is the difference between ALB and ELB 12. where do we use the builder pattern explain with example 13. how do you define the AWS infrastructure for release in production 14. How do you create and manage the threads with Java 8