The phone interviewer was 20 minutes late. While that was no big deal, she then rushed through the interview.

I answered several language knowledge questions well, but then I stumbled on one question. Her tone changed, and I could tell she was done with me.

She told me that if she put me through to the next round, I wouldn't pass. Therefore, she advised me to study up and contact her next year when I was ready.

What is polymorphism?

Describe a real-world use of it.

What is cardinality?

What is the superclass of cat and dog?