Expect the interviewer to probe your reasoning more than rote recall. If they ask how you would troubleshoot a web application that suddenly returns 502 errors, describe your process step by step: check service health, review recent deployments in the pipeline, examine logs, verify DNS or firewall rules, and roll back if needed.

The easiest interview you'll ever have. If you need a job, just apply to this company—they hire everyone. However, avoid joining unless you want to hinder your career and end up less competent.