For the mock cold call at the end of most SDR interviews.
“Hi Sam, this is Alex from PubMatic. I know I'm calling out of the blue. We help advertisers and agencies reach quality ad inventory with more transparency about where their money goes. Is programmatic buying part of what you manage?”
Written from public information about PubMatic to help you practice. Ask an insider what their role play looked like; it's the best prep there is.