What is the difference between the Access Control policy and NAT policy?

The correct answer is A. Access Control Policy controls whether traffic is allowed, blocked, rejected, informed, or otherwise handled according to rulebase conditions. NAT Policy changes packet addressing information, such as source or destination IP addresses and sometimes port numbers, according to NAT rules. Option B is wrong because NAT is enforced by the Security Gateway; there is no separate “NAT Gateway” requirement in standard Check Point policy enforcement. Option C is wrong because NAT rules do not allow or deny traffic in the same way Access Control rules do; NAT translates addresses/ports but does not replace Access Control permission. Option D is also wrong because NAT does not grant access by itself. A packet can be translated by NAT but still dropped by Access Control if no rule allows it. In R82, NAT rulebase processing and Access Control processing are related but distinct functions, and administrators must design both correctly for inbound, outbound, and internal flows. Reference topics: Access Control Policy, NAT Policy, Security Gateway packet processing, address translation.