Stateless microservices statement

Question:
Select the correct statement regarding stateless microservices

1. Stateless microservices maintain a hidden state
2. Stateless microservices each maintain their own state in separate databases
3. Stateless microservices are frequently and easily debugged and patched
4. Stateless microservices are simply threads, not full processes

Answer:
B - is the correct answers. Stateless microservices each maintain their own state in a separate database or persistent object store. They are full processes that are easily replaced