For the mock cold call at the end of most SDR interviews.
“Hi [Name], this is [You] from LaunchDarkly. I know I'm catching you cold. I talk to engineering leaders about how they release new features without risking an outage. How do you handle it today when a release goes wrong?”
Written from public information about LaunchDarkly to help you practice. Ask an insider what their role play looked like; it's the best prep there is.