The Zappos Family QA Engineer - Performance interview questions

Saw the job posting on Dice and applied. Technical Recruiter called after 2 days and scheduled for an intro session Recruiter had asked for current employer details, explained about the company and asked to go through the company website to get the pulse of the culture. After a week i mailed the recruiter regarding the outcome and the recruiter scheduled a tech screening interview. I attended the interview with one of the functional test lead: the questions are After the intro session... 1. What are the metrics you track during the performance testing 2. What is the performance test process 3. What is your favorite food and where is it available? 4. In bowling if we get a score of 100 in 1 round, is it good score or bad?