System Analyst

What HTTP status code is returned on a successful DELETE? And what if you try to delete an already deleted resource again?

What is SOAP, how does it differ from REST, and where is it used?

How to make a POST request idempotent?

What is the difference between PATCH and PUT?

Why is Kafka needed and how does it scale horizontally?

What are indexes in databases? Why are they needed? What are the advantages and disadvantages?

What is idempotency? Explain in simple words. Which HTTP methods are idempotent, and which are not?

Can there be a topic in Kafka without partitions?

Can you give an example of a one-to-one relationship from real life?

In what cases should BPMN, Sequence, and component diagrams be used? Are you familiar with C4?