The technical round happened after the online coding round, which was very difficult and required a good understanding of any one major coding language.

The interviewer was very calm and knowledgeable. Don't expect a lot of direct questions. Even if you get one, it will be followed by a situation.

Explain the TCP protocol for resolving a DNS query.

What do you mean by default gateway?

How can you increase the storage of an existing DB instance without any downtime?

How will you differentiate between a private and public subnet via the console and AWS CLI?

What is a zombie process and how would you find one?