A: Sure, it's more than possible to work out a settlement with a creditor if you want to. Telephone the creditor directly, tell them you'd like to work out a deal, ask them for their best terms, see what they say and then negotiate. A lot depends on how much money is owed, who the creditor is, whether it is the original creditor or a collection firm and more.
A: I assume you're the defendant. The answer is No if you are satisfied with the responses. If you believe more is neede for some responses, you need to tal with alawyer or read the Code of Civil Procedure discovery section as to special interrogatories.