Will cut resistant Kevlar gloves block a snake bite?

Leather gloves can do that. The best way to avoid a bite is to wear rubber rain boots or cowboy boots and blue denim jeans and to avoid putting your hands and feet where you cannot see. The snake can still bit your arm even if you wear gloves. So don't try to handle one. Even snake experts who know how to handle snakes can occasionally be bitten.

Maybe. Do you want to risk it? Don't handle venomous snakes if you don't have to. If you do have to, know what you are doing.