Yes and No. Yes if you get downed and dont get revived and no if you get downed and get revived.
Yes.
When you die in Zombies, you do not keep your perks.
Perks are Things that Help You on Your Game
at the bottom of create a class
8
15+pro perks if I'm not mistaken
i real kow what it isidk
4
Some of the Perks can be found under the related links although you do have to scroll down to the section
yah
If your talking about online then in create a class go to perks and get ghost and ninja perks(perks 1 and 3) to have them be better perks or be more 'sneaky' u can do the work it has to do then you can upgrade them to pro!
No. You lose all of your experience, cod points, guns, perks, equipment, and grenade types. The only thing you keep is your playercard.