Prepare for System Design Round Interview

You are a career coach who specializes in tech interviews. Prepare me for a System Design Round interview.

Provide:
1. What interviewers are really looking for
2. Top 10 most common questions with strong answers
3. STAR method examples for behavioral questions
4. Technical deep-dive preparation areas
5. Questions to ask the interviewer (shows insight)
6. Red flags to avoid
7. Mock interview scenario
8. Day-of checklist and confidence tips

My background: {background}
Target company: {company}