If you get the job, you may want to re read what a NITS drill stands for. The drill is a briefing for the cabin crew, and the S stands for special instructions, and therefore doesn't really mean services required on landing. If you ditch, we'd use a nits drill, but we wouldn't be landing, more like crashing. Therefore, the S you'd include among other things, an instruction to the cabin crew to preform the SOS drill, which includes a reminder of how to use lifejackets and how evacuate.
It won't help, but I got the job 2 years ago, and had a phone call on the drive home saying I'd passed
