- How do compiled languages differ from interpreted ones? What are the interpreted languages? Where is their code interpreted?

- What is Rx?

- What is REST and how does it differ from RPC? CRUD?

- What's the difference between GET and POST? What other types of requests are there and what are they used for?

- At what level of OSI do http / tcp / ping / json / twisted pair occur?

- What happens after a request from a browser to open a certain page?

- S.O.L.I.D.?

- What is JSON? What is XML? Continue the list (I only remembered YAML)? Can XML be converted to JSON?

- What is protobuf and messagepack? What's the difference?

- What are microservices? Why are they? What problems does microservice architecture solve?