Trimble SRE/DevOps Engineer interview questions

I was went for technical discussion but there reaction like not interested to take interview, They have point my unknown technology I asked to k8s others tools but they asked DB related I told I don't know i even put this in my resume also but they ask some questions in Devops then again back to DB related. That day i was low in confidence. After one week I attended 2 interviews on other company I selected.