ByteDance Site Reliability Engineer interview questions

One leetcode question: prefix tree to build a library search by the title. Map are not allowed to use. The Add () and Search () should be O (n) time complexity. And self-introduce

The interviewer first asks me to rate my expertise in the following area from 1-10. 1. Network Skill 2. System Trouble Shooting Skill 3. Shell script 4. etc. (I cannot remember others) Then he introduced himself and his team. Then he goes on asking me to solve questions in the some scenarios. Then he asks me a coding question. Then he ask me a technical question. Finally, he asked me what questions do I have for him.