Unless you don't prestige you can not keep your guns or COD points into a new prestige.
In Call of Duty: Black Ops, to go on multiplayer you have to go to multiplayer on the menu that says: CAMPAIGN MULTIPLAYER ZOMBIES OPTIONS
no.
The Call of Duty Wikia has a complete list of the Call of Duty Black Ops weapons from the related link
yes it will.
Yes.
Yes, Call of Duty: Black Ops will have online multiplayer just like many other Call of Duty video games.
no , but call of duty modern warfare reflex (cod4) has
you get in a multiplayer online game then when you kill people you get xp and youlevel up with the xp and you get currency so you buy weapons
Just kill people
No
It automatically comes with the multiplayer!
You need to unlock the weapons.