You can repeat your question as often as you want but no professional aviator with any sense will give you answers to questions involving security measures - being blunt there is a principle called "need to know" and in this case you don't "need to know".
Nonsense, it's common knowledge. You can check this yourself - as pax - quite easily by sitting within sight of the front of the cabin at a time when a crew-member takes a comfort break.
