What is a reason for manual creation of a NAT rule?

What is a reason for manual creation of a NAT rule?
A . In R80 all Network Address Translation is done automatically and there is no need for manually defined NAT-rules.
B . Network Address Translation of RFC1918-compliant networks is needed to access the Internet.
C . Network Address Translation is desired for some services, but not for others.
D . The public IP-address is different from the gateway’s external IP

View Answer

Answer: D

Explanation:

A reason for manual creation of a NAT rule is when the public IP-address is different from the gateway’s external IP. This can happen when the gateway is behind another NAT device or firewall3.

Reference: Check Point R81 Security Gateway Administration Guide, Check Point CCSA – R81: Practice Test & Explanation